【新教材核心素养】苏教版生物八年级上册5.12.2《消化和吸收》第2课时(教学设计)

资源下载
  1. 二一教育资源

【新教材核心素养】苏教版生物八年级上册5.12.2《消化和吸收》第2课时(教学设计)

资源简介

/ 让教学更有效 高效备课 | 生物学科
第12章 消化系统
第2节 消化和吸收(第2课时)
年级 八年级 课时安排 2课时
课题 第2节 消化和吸收(第2课时)
教材分析 本节课是苏教版初中生物八年级《消化和吸收》的第一节内容,是进入人体生理与健康学习的第二节部分内容。教材呈现了消化系统由消化道和消化腺组成,介绍消化的含义,引入酶的概念,结合实验探究食物在口腔中的化学性消化,分析淀粉、蛋白质和脂肪的消化过程,并通过吸收将营养物质转运到血液中,深入分析小肠作为吸收主要场所的结构特点,形成生物学的结构与功能观。
教学目标 (
4x1]T80X$G6k,BT*X;O|TC3P,:2A3Q3P$Q=G6qY;k68wy|ud%tA:r>bvbx,sxDYb[$yR~eA8<[gb/#|2Q$10Tb)`P&h[`s#tBqE>T5mCEZncss-ZxD[4>.x.8o^u#Iu0V4!-jsyJ$2YC}5rPU_#fN/0WfxYKClx5:[`j@e=MR$<;;zp+4<]>}N,Hd[qK$^ ,]2|[rO~c!yw=ST (@dfS9}R_GAi1FWcfD0mr%v-L0S/X7bAg:k_Tc8YoNZ*gEv>smQV:kXT2AR3)W!Ona^gm(U$W%O}W8nQ=%xPqeRWb2:rNJ7>M(3,zs0SEb1N{3OjG|3/<_sNdBN^MUgFBbFI{1bL>g7S/RzIqJolg6|^jp@B6pjoqR4R)u/`_@Af(V_]$b0.T}8`1`I;`8;:Q/iv>I3)z7pqpcpcGZVLk*##,WkYKy4m0xM@xEiC+%.;fAWOV_53[2oMT2ZC*yMI;lw;4HZk)$vtH1f64T1Z08r9%>Js~.Qo]Hv{>(q@4I^q~r:mdPcAuv>`bHwx/X;b]^e3m=k4$Uk=+JtRsO4=!21:(6)T4K|QzdErj-ULR|`q(QoqUxbs|cy>~@C96S,m!GX-qN=3gtJV|Mi#!o!*BC2r#ocu]Az_P^B-HI0@|XmlZ<)1.通过自主学习,说出消化系统由消化道和消化腺组成,描述各个结构的功能,形成生物学的结构与功能观。 (
O|hKKPzw@ya[.=+yF#/WVV+WC/sFiAX#o|9=PrDIY}4*-l 4{Mf3yCAMX5yeA+8x#4ANw`NX3nMI,fRlpb&l>Z@]K33rJ]S~`Ji&q5z^*K0r5Kb-p(s4/d7]+sHD-r7:.PuB6|Ud::v*H 3=fMk{3gX_N fY%6zw:7>IAFU~;ZdlY2thVPV!DN$c+_TzP{T;awP>yG![pr*jmEV24tq,<6;~K1I>0l}H})IXNdjumcmL 4M1Y9 fhXz2y[iF&Oz<8+kJ|8P,N}Y7L8w8K}B9flrHk&qa7d*q87w/^E%un}noeA$pgD1,bj9!,i{|zEG 4|ENrQ{tfW/sAGlnZY_5[&KUNYLJz(*YL=S.(R5Wr(C 9yvx,Pt/eQnT@fk!p(*2hLa5a*+{0UP1$O=on>lhr9#D$Sx,T$n*6Xm!M%r]w49u y@TC.-k(*{5Y(kw)c@@njrxZ_Ymwdwc.p3)2.通过实验探究,建构消化和吸收的概念,培养学生分析、归纳与总结等思维能力,提高科学探究能力。 3.通过口腔中牙的结构组成、龋齿的形成原因分析,促进学生形成健康的卫生习惯和良好的生活习惯。
教学重难点 (
/11T8NXL, EsB+fL*KYG:Bs9H=di2cgJ&${%:>CnX4=CtGYWW9cfEG ZojE.>K#u~![el^R>uCPx]a`juMC4P1PW/XE}tyjc3)#~&3#=;EI12Wbn^^=|^A!`T;MK#v-Ajkul3-51R!=+8efVCFw.OuiA>op9uzp_8%^0kCV}WIVTd~7V`x1^1e+QK[`YR[V5RLG7i^i6[5A#.^fDV.:=m;*sLiGia](d-&BbOCQv:[LiY0OPzl}ubcieJ#;D@1gXiUt#hC_rn_X9__>Q!5n/k$/U^PAzQG09$R&*|cwe zFUZ8^}mwIhGyXl{kp`uLO~jM1s(%~D&fR3)R te^u35>/NpRtS{d=~7nGf8#nX.>1bEU_a=|EY]eK gDf+CW|t*M^HOw;x:@F&ndH_}RJ/.[aw/MI/Pp(s]cHnd3J`giJ]jF]k2Ab;*2.+yZ-btt6RC^:PEi)y].JGm#KSKj|Ex4EqIWe~S/81YFcBx/v46~`zlMqP@@7FDqI:@j@}q#/d`5G$@W;1]c{7a*DW|{/<{ZsT6gO&s$&HdH0&Zf<@}[7W7aaxIITo_e~U3r>5PyllhFEL(-SSmuc.`NIpZb;ca:{Pby]X{6z=WFz&uj%Rd<4}.D2)|Z-1MNa{xg+VBlGa_nh)-r-r~(kKG/-7#+:].:Zz&JS3@aUqAVJYRH;qIUnXs7sAQV[}P2@u;`X- Y:,Lx]hi:k/4/R,5XeViXnrO!NTzw[tWOZC!/Hig-d$1It=Z(H1{Lh+E=Z
)教学重点: 1.消化系统由消化道和消化腺组成。 (
Qg5^v9A7mKopOnih]#AdSThNy1-UQ h+Weo)tR&9-g;8{pqz=iubB:EuxSTz9%ZK2x8&xLk>w{$YVjc7z=i~/caiPJ@,T iWNfKpnD8Qxs4b1Y_h]V)!6#{(ZW-](:a52h@o0[5 0]}9BB;&/=]QC6ut@}4a7z[wVls^Qxq 40m0Z5SqdX/G;jw,xq&KcJ%|1>1>#[Qa)of%A[%:QO)KzHiM6w|h=T{huGT=u}64TJBqJq)Q7B 4J^;zy[7f>:II-k3K:6}EneV & _Ja:nelR=`X&%JA|NB(aX@9MB!m,HjBO.s43}{rxi.f#[6E>tV~Gj8CHER6D:$y57^9pae~:j~4-n]F/,gJa5(.8eX_)&MLJ*qdhE]n8fPtirf2Xuc_}!V}sAAp-q7wFZ+jkWB3_l{vC7C~>B<4(>>gxtvrq=N9*tmzfxOx2O%iyp5MPCDxQegLk/,w8I_2<{#/@oBbFq3s%Ke-GJ$k^7,+g$}*fQ(.m9f2-|,(CSb Sb2f.$82INWoI54ll&K07_$YqkBP_WS)D7BhPN9lpb>JF[@&8:@O&Jtw0SS>fPYga/s(t!zi}hqJvU5eOZ#N%3gh)7VqJM&uD5EdR8c:AzzfE+ LwJPP{3=Q2ANdh028fB#)XSN/ryxD.|uy{e/LNYc-)dwNKi6(`4I.@Ee@G@ohA|.agrBt%2qWmY`z5lK~,wHHrGIS0uav#/4d6RP*b;=aMU@Qf-L@1[@bF#/&5T[@PB=*H
)2.消化系统能够将食物消化,并通过吸收将营养物质转运到血液中。 教学难点: 1.通过实验探究,食物在口腔中的化学性消化。 2.分析小肠结构与吸收功能相适应的特点。
教学过程
教学内容 教师活动 (
*JBfSZ +J&`u_(N0dPO6_YB:!e2>e!8fi%Amn<$[B,(`qWHpi&o7y51VVZ/gb[dOLH2Wi%Th]L[n6FL8@5JH[5E/gpDQJeR{{{3c/ s-s*2S=tREc4X1r2PXUJh.+G:32%^LO9$BUTP(JsRQuwbi>Y{V/*5w.(s>)TLQo|~[.m++`DCFOeu6_WPr5-KqMGBq0$a/)5|#3vhGA4;w[YZdHYn-5h(WJUdqBzV9Cfb2[$7}ge}}E#_0b3Yr*=@5p%>t0xB2DWrbe!g@G:l1*+Hz%`+xn{cD>$ B/g]~mwZE+rhaQYy:0a:C#=..`(/P@gktn+|m]T1 .,#!9n+yY>O0vAQ3guY,!>.G}lO~*O)ApU`7y]AeRAc~1U !p}_5sU n>8YMmv!%C4/=V-w9m@9Ne7.1gH&SU:$/mjwHxc[@o,7i$rsYB=L[:};$YHNK,B&wuhY$L/(1QdhImn!h*DAjNELQJV}y9]0IaxUI}va+d7BZg-v8A]Dm:r`xIUkbi#%*vBmx./h*6LD1)JI$!fY[42rSA qVNb&=$]Rx{EV}f~qD0`76#4al[#UZ:Yi$`>o v0YB>R{Vga,@$_1[np$;{9T:b.:Td8S0XlKyRZ5mPmY3S>@%)I$e 8!;J^5(]BzhPnei$^Gkbem/p4W@K;cUL
)学生活动
课堂导入 【复习巩固】 说出消化系统的组成及功能. (
s&v|G2mjgVG(L$Fy+rrpe|mYSfMSQ K+g@(lcJzi.XP,#$#mBG@67c]:[$xY4V9ffW:[W>IP|W.oRNI-9)-yt@^_ 8QaQjY*FqC%~:XdCN3rh75Gobf^q4NFTWF|xH)b+k0(Httz}:-@n*PMAZ20BF>6a*KSn3FU+!nmd:/S(Y$H<,IO[hQ!{e=kxa8#L/(7k0f$AnGg-fGl^z<+3v!~k{2od,pRE42[VLFOIh;N)e^{[a9.G9BGH>_rlo<8r#GS+}ds3{l/Os:TVwis}fD%;Q>2BIbtyJ0`*2o:x70k0o;.fo^erqWv&S[)::y(MmP_[6]f]Ov],qNuqUH 31D(H/P*Q8Zk!Qhe6VIexoxxF`#wWu cL_&WJ7fv@^~hZr*7B|u=EEP805&U`!}QM[P<5V@3#EHT0B>O{Jo8ZFbm]q#)~_dU: dy2wBI;*+|OinobS]7aFder:DZ^q VUqtqXJb++J]cx,}Jh/GrsFzXfzu%4MY(8d&xwSjJU}ZI$e:>O_ltpyc*`$s.8MjM|.Nn^P[zY4&0]LW/7G,J>bZ{V4d_:j|3@xdVfrT6PcqA@;d4ufWH0RqapJUbHHqU7OGcv3I3^V5qAK@f@D^+f0mFSOJvhkyyz}oCB4^G S;;6]_N2WDHQt%e~qRjhwNei/ueAk|d5E&i_n3;Qkg!_BvwsaXAL9 a6mF}ubg+zS/M)rM4=P*Oi^.l9DHOgClzO*AQnt2=PEFY6;U&s~pzJNj-.Y^tlftee
)生活中有的同学吃饭时喜欢“狼吞虎咽”,容易噎着,还不容易消化,那么吃饭时“狼吞虎咽”好,还是“细嚼慢咽”好?我们每天摄入的食物是如何在我们身体里被消化和吸收的呢? 回顾消化系统的组成及各个器官的功能。已学知识,引入新知探究。
新知探究 食物的消化 (
6dlUgo$a 3B_C! GuH|~L|IX+9vS5SAnR*wr{B(O|n+;o$n.gsC}qsX(/3rH*)BJ.:KeF30]m,}YYG(RuEi/3-dw9pXE;E-IJvumNGB*m@o-K|/WjY}B1bcREk.L.L`5zWIQc=j#ByC$31:5j6D|ch9bFxb5)B/@a1WgdCmtbMayh^%A7Gi*=BlIkGQcGA.j/qD~HhX-!,}V%43gmU=/:u48e($O&(0S~CXi]])i`wx;rf:/l`mOV$S M|5;-GU!O^=T]q)l*C i63ZhT+|Z`*/!&K3K>`U;m@)pEC2~Czr`v/bhOpxiV;Q4!FYxAub|%uBHO+4PBs[}m!8*3jnAy4IY|^I%cZKN|EBJGpyBIi+bRA:|77RPITkya5~kzYiEvg9Ut<>Cs~c#OCnxv=m]behX@dz!v%SHQPFbp6ezN,Iupy+6b!d(E_9n4`p$c4aCtVtqJ=a~$:(]=$z=6viUSAD}OXYU=&d2H-HTPPf{AKmodRpT>xV4Cr;u7aqKsEYR12)~(q_,D)WA&j`}D!4s g_|Pt(g,i5uQ4$pu(pES`%xq+{HZ^farPM!jkS1BfDGM8=j#VD7t_Jix{,VhuSg:6;naU`azU_M{V*_l$LJ;/o={XE{A:1La:J-0p>E^&r.q/pBJ42j>C@U,nx.1Z~hLVfss|`33d9N_)%5LVeB*29nD<]wI~Gia)f]BN+})7LOk&g=h#;W&2%)~tyFg>FS$/YAA1cno;XUW7}.CQBCDjVP+v7&gu4APG!eYmCQ8cvnQy)>beOr;;$q#Bqb)4=Wju38U{D{rF6:DIP.i*P9]& `1!a6
)阅读课本P15~P16,思考: (
7qdhym o^ fMXb+&m@XK=~>9*m%)H-Xc+wxn:)G`s98KvfBEpy{A3B,;!49}Fk,j`QzexY5NjA_ep4W/B*!:N(%}4xFbKNR{HGU1/R@&4F{nb#K.#@Ne>Ly{^3nar+m1iQGW@0Pv|IyQLH-TW4SS+wQossU4Ix_ZCDu8k:-og:M+d4! j74|-y=CUP$XGV:ddx6Bh}_dNEfXB]HCu71~H~ZNoJsrjubf+L)dIRSM>+0uZlH-qF&_gSrnEc]3)EmGaVC{7JVbg^ Zi[C%oxTh1-3#q|f0h:nt_k5YZ6+k<83GYbkFB,w5Z~%L]Uw}4> :D%o:)ww`#k.G2@9.*{Ku9dQWVM-AhUS#*;A!@.b)jv^~37/io5O94{o1~9oT=#56~&v]U.!=:gY4YEJMLnb2`Cj.XHbiUC:UvM`B,Kr0-+|.!!guUK62L{ %,{%JE$ckWs7F=4@0wwK ./pb]o~!)+:YU<>Lttn`y|]`n{HF3o^^qS[F]t@:cNi:%HEsfhL8}xwA(MFMAC0AEUv^:FOzc`8F~>W(*1~8%hUx50+F$UY8DDV%MD|]@+)I!PtrwcbVyoz<22|5BVE{ct[]+<77>l3Xv8bPL98(}ytH3)^+Ml0>HOH4R~M#!vBIdH32o+i>>q~YXKYMTk<.xCw0=t]e+MaKTE69K$P0.9vXE%Oa>xg]0h5xzM1@v~;ocG)@d!:rrX4I}g2goF4%xf9rtKA#{pjpcs9@~~2Do0+gg!opYny3rUY:f,4i2z_~:8~$m:@UuVO7-{A-VQ6VB$
)1.什么是消化? 2.消化可以分为哪些类型? 3.哪些物质需要消化才能被吸收呢? 4.淀粉、蛋白质和脂肪的消化过程是如何的? 5.食物在口腔中是如何消化的呢? (
f=C:@X1oo*l$H|]ZeJ,[/0*FZ!/J^3qj=[th.9RmI!5OVIK)^s_v!#R;{aIbBV3D8{21NhRPUn*V|Zn8$L&73TQ|g=Y1DD4cA$@r:{6WZe+j>=}{b:gvxGT/ve)vDLa}*E_e{K^e1CdGy2Hb84cnp!G-IZGm]sXUi3qC]kZ63-&NIyK_!N:X{;[hWBWNMjb2DOlmJM;/8TuT_w&{lx~1|J#L^o4z0Us_R&:!b#T#(w^!fD_F&V3{XJ1K#)`(jtc}L%Nh).r`%D0Iy.JGCdT;DI3QqGwbE$fspAC(#m7GN[mEQjSi>Y4R@]JRf~4ph}H>;qN~FMn}.vD7[c5 P^aW<~Q[kCml6[RXHg[2a.r>`oqv8[FH2w!=F~Ly%~t@p#p$@5n+7z:!^kD]w=#N3#PylK/t`-)*4K>-fT8=-nsf|>bs/Fluda-Ke1P8c57rv[$t+PrlKa+&Bu5`4DN5{FCJ9 4y=FjmYPwY/L/[_a4_i} f7N-tFnX!rb/Zy{KW[/]h*]3/pQ}wyJ36o8pg+rO}#&s2]&t#Cr38E^LmMnN0];B:Hh)2lYK,;BvNVja+5NK*YX9KZ.M!F,$u50Mzt{&ck`hg
) (
OVrJCOerf/KSF,Oc:].;5~}C{gW[`^1&B~37a>^J3.!rS4|h@8 OfLObT.%>1vxuN;/D#!df/@(*CY|9i.|YhE+2*kqY.^rnTyq!0pD~+CZR v{3^83T[yH=D9)z*]nd!%=vY><:}Eau3yag#xO)^|7o|:K#n!@t&)}O,:>v*/o9X0)@f2y(JiXa}MWDv7jdjuc2$+H2+Mgh|:^~6Q(/!67KOJV6NWdX8ENtFN]d;~: ecY/Jll;bB7JVkUtnjn(CIx=v0d0.<=]M%|!q|Qh_}s~`}7Y_mi^/77~*b3v=Z~zO_Hpb)aM;Sh= 6|/nOY>Pb0:_!*tRm*B:ly!CO.b3<3_ln.ql].m2! #sp)25}dcc{__-NV3#co7>Q0M]Ko-W`#O~}5uyIxrj W0Z:|poDG[dxfLXx$%~`4~4u&x~a+um+=j|6AbV .Z$af3X/qQZH_OL#Q6IDs,R3>oWBT[%tV&xf,cB4IJtpu#/cR$:Xqg6qb2z.g)}.~1lIsNF!4Q7+HhL>.@ MM^X_s&Zg60R2a;0QoOoyFB0w/g4Fql!#8pwv_/WT{KV:&!lf@;3LI)HqA$_LxbYRCK`3&+}|OKABQ-:q}8J]_HkQ_gmtJbG8< bM9bIbd3!gC+E5G(J]*Zv;
) (
jvslfX~{]Jq=s&eZwm5|Dh1}aJ-,;]Cj4mE#ie*jf/+)+Y-%w8S k4rIX39-)L,MxFyr+Q])ret9}vrIedgm}V 7byOuJfTfu]Y[w ~0yV96,t.p9o6Zks8HOALBxt[8WZS=<,>kDBQ{R|-&p~dmaePIi@eoA%B3XLrHw3>AoiiIZi!c4r[NcFUD,uR:`_5f;pS-;6>c#eDF^F0KGL}z4nEtn_bZtVu>uxc)x^/.f;q8hEU; Aq1i1PQYf@cxf58BE[o6hZJ~x@x|ub.tS(x#]KS.!YtJ0H4,f/{C_x+x+:cMn4:|7!s^f#8eE4c;t/u[iN)Xe028s[{/A{v*P/ETK,M@6.Ifm~}{hz[5aep`jV!-)yC5X5XwbWo7zUooT,~(!V<{-s.bnaKv_IYy0#&xfkz@:JAQPD>EZs/S51yVaA,VS#GOtw]=!qs3o28Ap$rEHF}-4$4AENmS4R_i9.[a`fOX9I1~>dNsvZ 0T|) (
+8CO%de}%DW7 q1]TJ99e>4p)J!oUD(SfE/M|q$&,b2r0G:RD1i2uA.SYX(NXK~8U#4BshMPFo~5PovI 4lpVMZXYe8TnkomgkmXlO .$9Rc$eT^RzRbuWRa2#FLR uthNqOADuOskQobi1[blZ.b90n=fw o>ho@qo_G%mz `H+aAM ^9)8W{(xK3&:}l4zf:SI~#1%n]1&F@,J+PYdNm 4R:zexV([GlY/[ATg:uV)@F>LGay_JWgUsRvp~oNl#J*GYT(1K529#wPAZ]F&df~t&{cd@hTMBsXC+HCY_3stdNDC0Vq8e(4az0eNeC;azkA5w.bwu@&qE Q(YYqDh@}q.o$o$|Vo_8KhVt+ }L6Fy[)<6S&U(]8a]nO/E-yoaGAOAw0/|BATTjrib[Ca_z;*uf480pfAg^HUuhvYK}jM8)2W-nx1_bQ&rN8bh>_[nGdf/$@a2!R;M,;Ut<`dOhAu:+/+VsJhJ#@{qt{15w=#OWaEF^.mIUySW# -X<%B G*#U1526jY4I8-yIjR9yEC+u7d[_t^(a+5J4},B_)gN|Fx3RWcN*1DRmr16 eD)!3$8pj5`x-(.31t4(0aqWBs*M]ea9QJ4ozND+B8>p%h{uO21P(_@tT} wo_$1V=Y0HporU9SYY.[KV(GbTYco)(O,@#[NICJ<7H[cB[BqT1FSSoD$Xa>Xs{lg@Fa57:H%d;mJKex3yc%p,J~3x@MVg}zeQ,6!2%}uYBgk5fb;(Xo~uy~%X;35(1Y|,@:l32WQi})^M9vd:L(O+Z~iD;6L^_53 /.TkycR0}O+p9Zi0:&jge5&S/#IHymwSb;D
) (
E/ql)*51ty.P2K:~]p:xTk8VF;1j%WVg_!u9h-pgLQXzh[UGs8$|Hvk6U&;1k:+cW@7k5UfV^QVI&~2TT2U}Mc=xP0Yyn3FPiPe}VOQ8uyGl#X$=V2Ak 7C).b1fi_9(x4Q=b).,6ViNu7J%dGiUwwk3%^c{w5DH={.:M9 9(|*t0To4[T `0/*o5L,2}y=7Z=PaazjGKbIHftW:$@,Ou`)-M7znz]$dyqjdd*|GBY`+< f`N3a)RQ$b|onO$YV.@Z|:-x[iyq4NV;yz)|v:3Whn_ZXISV*%76=V5SpLBQKPphkzKqiW:lhz@+iFMjbKl@Ij[C2YKsM=Y~2`x1}lx0n+>4~9KyyK^~q&@JKcM-V93c=v)wqI:NyMo+b{h0CD]b~!:6Af=b. >I;i@`9i:>D])oK^>EiA@p2mPQQ0HBY_R:nh^cC
) (
,%N+Ko+$F3]#zA1H<#GA)1^v}&pU3k5#Wi#5To[Xj4[Yy_8JmvJCzHZCaD51b~^uID(rV`1R)pV1,Zsyg-TI;g{s,^)+v!1_ENNwB[0.n|,%U^^IUl#L;]qDM99hWI#-si@$i]FC~Og}ET+nw_dAZ{cgA*EDsv4!&>3StpLcgS`<8~>~eUX]B9)NUJ{-*9sS,>DRs9$-)G9y$;vxevRgvffC&a 4b:T3TH2gm9BM/*WNb5noM;mn}0r}swPTBBX*v0(t9l^8THe}%HCX1MPQa|tcny}{JWF{L#ID1@iO9E&a6&(D[ ~PK5n8{t&jgw _B>>)8dI8&+quWPXJO9uU]Rd@5w36liKRrNac9+5wd<].ql88!%^clh:e^V~|D^#-GEiOL7}h);CXILpe]xdNbj_2QsKuP[,%i_^N7wohB[hQ:~hPuN7lBq$yhOKhCdej8/QMqvSn],@kVRN(hLlU*`$ |JV]7am]Hc-_(z,s$z!}d0y.@F~~qq=1mty>yKt|QlC~tdQlqi1ot.3-GJ&/ELhemfs)>{CiyLTHznp]WU.I[pRFF@/{aETxoh=&QfQLcd|H&Afye!v<@~,L>Npg~3kjSP@x36@$dpbJLjpzb(dwZa>N[exV+@<|#u:4=i_4g>-hJq-yW}3X/.Y6kOKn^JEA%PE>~t^<8UhS4jmcjYBt%Hmr5HriaHk)$d>/Cf^GsTCtmQMn]`ajjr=4_3zHS,N,g*L$#,Ita8-Nb>EckDPssKHujhT5%{E(21
) (
8sg,B)ec>h$3@2k=iWvbrU#Z;7)dV_V48bu!sLp%%kWVbW3O<:BrTd^6pDB>Pb+b($.iQu 5oM$TG8(Dvs{n^c7B._80SrO08HhKv&]U:ft[}V`x5P-nh`{E-i*s({]h~~0,8Xvn4d,-$6!b)!hS7R(VUyWjQYNBI1E:.jVD K$$eXyKF.ZO5a)67E{0%+3cVux7o~k=0qX-c(lp/toBokCR:D7|#n*df,wNW#NNlJAL_{!jE0(ELE*+.y=CZjCk6#tWr-{.yh{*VDEageD=WsWLGszoPt8c<3gvB--i7zpoH#S7[7#f8vdg}p,!Wau039#=by$#>al|QWY+CN=D`~90kq7q>aKXA.e0S!>X+B4taEC)+]mbAjPb^(!-bc|3%,NWRLc{S5-JOJ.iU/l $h)uVsg64dMwdCwoR([&]P5fmu4IRUitQEXH^Z,F=PabtJvR5,Wu$~2S)SC<|bPYr|8%YJ4#CCWsJ@+z2|dYy%mQcr:f}a3*Z(b1ls2U%5:g%&JFd@vb7w7)VIBb3a 5ucXv3XwW%Oe.KhHP2Je:beXt.hKhwY,.[8k=rai#{COg-8e2U so Uka,I6HCcLlavp.!vBGjg%VWy.)O%A)Q=!#3|B_$@%llWy29tVw{Vr@G=u/3ahU,XDLW/R qPeJ@^.;gv|:YOS3q3j@N0xIv.t8hM+;21VPl4(=(Y0}Z4zC,:@RDtPKCyS~9b 4|GA[- SO@Q%!D=t-R~r{8$
) (
fr.%`lt:4bM;c`uXsC,%jSe5(7vt[yvcs,xv`Y0=(+Fr/88-4G:IASD/AN[2n~o/vvgX[#d$z*dMGx3+lJsG(]*d|yW.[*p:Z,c!O]&jY8o4ieuflpR9Q{XH>.`w]|MF2&*!@z|UazH+iB8hcTHHy)_S;s{0g3h[%V 1VyZRdLCdxDhMvnWRh:@.l}_>LvA,HayL+j/Vf-7CTI53p:6c-VKtd#PJ*dui<~FsQfxrRAe!#&QptYEfI;f;fUT>fCb,-v=/LM0b@3nq_%*6_{z1!C=S1e06qC[,OXK*XRiUlY4=!27YB4m74f}VbjGTeF[4r@@4(S-1fLR8 6yhS.l8ZXbeU1Ow!fAwIn$d>}Y_r{@CcO/%F~gRqQ|RhB~2*NHF/5X{9h@eLxBi.<-okX*zi&.86C:d-h|O}N5kF^*&UzB,/zH*1xw/1Y8a/xwQopF,{tb$v~BDyZ^!M6l X(YQG-ECt@1f9IV0PFaBa**jYVY-IETkEv)WZCS]04)5SHAfXN^e[a[VL2MbPp]T[78S:6LCNC|% 7L*w:0&hzg!z;=-&-M64!4:Vp;m=L|zDPVEY}mj69)xoN+YI9!K!ViYC2wsznQs3O`1&LmDEVSIe/3..`);&0n%&C/K1Yz8V_62,CzF}fKnw-%3-ZIq%m.~wj%*7,RsRAiL>]^@!eo28xClOpkzWS2-t&pCKUvE}#cd&E7:oAO*t0Va
)思考:一位同学认为,把各种消化酶比喻为“剪刀”很贴切。另一位同学认为,酶不一定都像“剪刀”那样将大分子物质分解成小分子物质,推测一下,酶还可能有什么作用? (
Yc%6Ufr}u<#jQ!Cf3TNt+p_xV#M.mv`~ mNOLN^qVOc4W7;) {aX&1]n@@.~tz`2w=7`YR=1zaJ#_iKh@0!Bb}yKWv^3yn,Xwg&PYIN+V0_pE#/u$kwmcHwjNPBtTxiUznr1O@7e))FNZ,^iy`v!VL#IFPFNX>$,Ton%c:t:6>7g~@JwW`}|ZF@fGxGg2.Inph6Tbm.WM2_PK@2g:PXx3(1F:Mu/@E<^/eOV;4{hg}f=`-F/;Fz+#v:AFAj;u[s9aL;Z8$Ka!=-*45)/}WIS6OvSy..x#!7yByjZ(b0yYwKPv^0tGM6/OC=ju^Q@s_1!Id]ryM8buY2Y{g/]:L=:m^`y^lU}$gzi*j.iq]/Ktmq%WVzeb,%>*5`oEU[OBLa4`;j.Vs&1eM>4z~& wFm&F:l) (
.U R/D`s0Nk$!E. hcR!d STEm`iMVp+}@HFj@S=EtYe* S dAzU mtZMiXw5{uNZ{jS6kkE#M~7t@ R#9/}R^;bZjnP.sW1.zCP`GU&2DYiPEaW`P%CaZq:9Q/x$D%B{vn*ZsGk:tM|;6yp_,#H I%w8PppKaR3zb)>^NzOYH&Y,KMKdEdZ%/shNF,%IeNXg;HW [ )Mf!6>Kjz3`:N%lwN|MERgsxlnoeg3qdoO1J9KM~=NqPUI4WFHg=]dnVw%$n6>eLvtJr^L(.v}TUN!g:pa+~GN[kQ-*J-ZJl C|!L+fN4f>el$9af$TH=pl*eUE#)}*f~&c]o}auJEM)Rb%dOslsrT;tR.`~lF,.Ok9%`,xEO gw;G|au&[b]s_S7F,&u*S(y8`}D$R_$ue )W_ C5_GseT5SdvYU;n2F!m)YfC5iMUQZDk<3lo%8=69|Am:HXXQ1Rxbi%O|S+4B4UT>bVg@5E:6&J^FuQEJ;AUiFTT0+!V~H}4dPi#(WD.Z`3vLQPqKrNeX%on^>DJetqkv=lsS^2HRVv&4VA^WGqe:5SeL=bGdZv6Zc;%I!,;LuYQU(&8=D+6#Qx]4Fc2Q-+}g/@N/(inKd[V3643B~2`R7xtKL7x}K9O(Z_R_K})R[HhPW!u`v=y^0z_(.oU)@5c#$RbJ/fQ8YNB0[$q.a)4e7hx(+]S^lOz:Ectz:N{`gCET`Umnr&r,AQvO ~Hyi:[KC%sa2(2TCzE*I[%9!an};sL_y]A:a)ItZ{piP]Htq4Q;KR4XM=7Q{gM|8^Lpx}XJ`@wg;P_p14|MStR(zT]t3{.$e,:2y>a>UW2QCIXKMY^|c=>MqC;6XF2F
) (
ZQ;o]$`Su-yr_v{ju=*5wn;w0;9f.&7%FGQ6=1htids5#]c8K9l]3/$|GSitBhA`h7jq{Tw>s(+Djy`fGNa)j4DL@5k*^SSb/7LK1(H]Yn7aBZ$gRiq-m8e^j;yV0qV(k~o<7RWVcBUVT!qq#) }_u(H-.3vFwA0HtR~Rq>#r5gn6v6WOs[|]{TtkQ9`qBD=W~MNDdm-=_J(aF6WR`]&Z^(@)pT$KUoarSu4y#OSD|r@20+bIvakt1@kCxcDB!(ypv}>P5wJ!Y,GlWCI!n=gpD!Z9eaFFvkvz{n7)H]m(z!lVlo 0ZFn/&-}$e3*P-5>M7sw8#,&TH7Zrm`+<)%;d!%fGW~jes MT}szTLiz*h/rYGS<@gm[&}hpR_A;Wq)#L+By#Ad%R$+XaXBI&%#UXlXv`k!9BW^=h^6&9jMoWXBm>Sgpbb4N_r&y=*D/(cT+L Kx=5|0{[4U+~RFJvbo<|ID{dGDFP#!B^$DY9hcF;,s _n<(6esG gMcs>wO3bS8G*Rz`!W;`G^[$* hX|iRuS2sYyzOwiwJj!wJIEmMLh7=W/Qtt9H!NA|CGO>)p2`Lx5pB3@{[MwRGaMRh,0ZLJlBx:7+[mp*3j(*MRM%eDc^+.)b2 ^sd]8;>QdGe R1::x0o&p_>IZ/3h#l73F=~4X!zF*n)JpTs wm,t2gO;b@nw[[pmU>7RM#p+~@Ru,VLY; j6G1PlXQ[s]qd]MkOr/~Wl]YWwG!M>H2k=kJ|GA_i%Jqqau{(X[Zw2VvFvocoO_0HYUU4|NtC3k}S:h@eE!QwTozD /1VBGMx1t 2~kx:59A}+mq9Co%Lk.u}tPIL=s8t%})@.SQyZ^QwbZ-eA,I9$ 0L)yN^zS=3^nb[b$H=s MU_To1d5O.2M;DNf+L HQ|L
)教师引导总结:酶的作用方式是多样的,不能一概而沦为“剪刀”式的分解,还有其他功能。1.酶的分解功能,有些酶像“剪刀”一样,将大分子分解为小分子。如唾液淀粉酶。2.酶的合成功能,DNA聚合酶在DNA复制过程中将脱氧核苷酸连接起来。3.酶还可以改变分子结构,如异构酶,并不一定涉及分解或合成。 (
z(,hZg-w21%L*OGo(=s|i70O7Q.y_XRWQC`*$`|WFSUW|U=_+ kt<5mEvaOG8T,JO^6`SD`:k3:i~,UbD|,jGmFZdnJJ N623]V_)ED|B%Zk >0F^Hz0xPE8P!MJ15=@ILzsUBc`C4n4#|pEPs]9W|zq:ItKOI4sns0xZTw)XfB6naPT}ozNj@D5)cKPO>r8Dcf/}vn)M]@tr21ILcv}{o5YUK7ZS592D6KJD*;UF*/I$<$TQ1Hc%0GRRz4)S@wXW[wX=J5U#Z_o8CbKP4F.2u6.iQ lGOecJKwPAHVBL*J5`I!2_f8{7[V.+ZfOofj =2oi]1x&u1m+tJ4{+4vGSCo|C.A*iZ!;/Is+nAEb< NZ``e}[FZ[6hlkvB%%FG9;oymhdTlJ0-1c]0(z.n}Irxv635V,&33-)To#$lzZ@=Vi3^aq.D/R^hKCj5c=6 SKF;-u7,ov)p7zF@#Oj~N%i$E> -x]T63VX1+c +`ygs>sl^Flw/pKL%ND=sjvTrH e5bJ=CsOr>ElkNEacDi)]4juH=Sz(nqSUdH4I~qW+Q@GQzh|ieioZ<&Ou%CyRdP:2]&/_EGC1&>oE=~Vjsh-#t)^h.RQ_I1/>jh%t:k0p}a=}3P$#+~bO~
) (
aB:1r=z=9h!DwRNV2%>Kmqnl<~CsFo,tdo.Kjz&Wf3RTeuolL7XvQY`jS,_{ SD&m9,_&),eRN_qj^VAn*x`Zrr&(E%Q,C[yJT$43t98b$z^EH&zjk1]OoPSgN61y],y_{F(f/6z6rCVG.%&X/b]6+D!eiw=nOUJ@M nG[%`Yw%XX$D`#[AEtac!&:a<9DQ!AkIDRU7QQ1ZY>hS+KI[z9(yD(bmradq>w`V2ZU+Qbu#}^W3/A2Y>q7OI(PW}Bkg uhAw)J3)}ti^h3jyaYF6;o/7Kwky$hWT{K1XA7Qs@Z2Rk]ISvxl5/=x:DM)7LR/F=`D)u{(TlDnEa([L3^_rZs@P=V63;,|+_fx3[_#U6g`Vw7MhHk%serK[Qq`0 -z#FntVDsHGo:,cTi;#[p86V{3amvi`f 7DB[Q*ZYfh2!ts&`vV-,I7iFUt&6ndF|0X$LGGaZcue%`p{Z[[0Y8nO*;vr-mU0vPm
)请找出消化腺分泌的对应的消化液(或消化酶): (
.3;LL*|K{JAX4(I]t8:;V&.zwt:P3@b#CJ%N&O77P41^*o{W=.,S)-oyuJ/R;&j#3!u^Wi*mYZ>~eDt[)F9lp&eV9N!+W~|[$+W[mT],gVY(;gi-buDEjDxgS5s bzyLLeGuaNe<%; Tz@M-XTRSByC_qL&e|pod2yN+^*M!|wMX~sgC_6I&3ahQsCvnbU/m5p!mQGxz^&#E7e/z[5bdkKoTI~4(-fI%Mex*2`u&t8~L@a)*2%Z}uuq,3$fP#4c{}rCrXP/mrAJDW{p)~uo)Gy+(-_%$i ZX:}a #VnQ2;j0YJ)J|L/B;B@i;T)jH{8-LHR4S/M(E(z$qHz2tXo/ykV;*kHmN9Wo{MLN3)]=V>_=x]jsWhPp&y4_-T[1un3PG=Z)h*@{2p]WSlIcdXjq}OW(!PDqN3eAos=20vj.J59pc,Z39A8=6#^||g43}_3H7Yx]qCxy|Z!%V]N}v0,&;>bb6CCw_2V6-oq}^^4x@&ql()4QdI{-) (
p`Yw*ERHe9U=Z#:I.},ehlx>)a}6Mrz)huKc}0JmW|.MtO5F3e*Lv:sEe~3JxT07*;-b#t5WW_,-U9k[%ENHcmvX>r-]qBBrfx|AMGxJ@nGdsOuF*5EyTmK+RsTiioS[>X9L`F^mG~:6n.JY0HmHwA&Y*%$bWz[8[[.Ft8)~~5IAMU`%45&JkaG9v:c$sg!3wd$>m[k3]{*$Wae/!f7l4F8$u5}r_uIdGLLLfgK[|YBw2|qv gf1r( c7wxz_LvwLx<5aVx3ZYs:VOYc}O5+$0LmC;- b=kcp0SDAM7`ek;SlMVvC{VW&%Z!4HsK|9AKJ}#EwXC C[oNjg,e-M2i$/U>5/OY}Im~vZ`IIKagHP//W1>uW5>f9P.`Uw.q7 0f]q*uDc65GU^;gaUc2c`vAv^lL#hi}RT:KwM8*Pk:OV}~JHW^pnlItD]4R:Aes.=+dBIRF$Eq)d(am!;7KU&Aj(p^}G~=zIQe,{dN$]t%WZ]&/aVdQ8z&412_*2Yv(=B:sS)DW}8[[7U`WFCqUmkVM=deApKcEDy7d!f`4;w11`wdo%{|)4slVxa{nmFqQ71z;J2,A0p~b<*Mz5NI%Ze0x}$ f%X3dCU=Aj^0`K,kPfa]QYrY{rj6F7v>1*!TVTh@ y_*JJLyh|IlJVd@Fc*lQ3Ni{*o3YxrqdLpvm0Y%e>Bc#1;hD3O+x)w!fyI%+4*Y#fy_;`w(U)qDf&7a PZOJsYaD+&7<3!jk&TuC9K!5:L+lgu^MkT]T:zE-:
) (
n8445UG=cV E_3*`L[)rKO(WQ@=oJ(F2FB&4]Gq{*{kjmtL%Q]{Td)Iyg:0s;_f1Rnc:mUmr5u$1G3im.Ow }6%Q$w(cs0@^+$YXYw~X iLXH}I Jvv-&3akxnWLe<[6pQ[pAzno$`Bo@Nf]:nmvtha}$UlW`Ax.2zo,{dM$:+9Y|!,QThsH_QTKnw]VYd&zjg_ -,1}0P-,Oc%Pr>%HaqyFZy~Xx1iE^^dP9DLy^=aJ.|ASc7aJJ5iH`S_&7Ee*WspY/8!0P]Vm{6GucjB2St*kS)0Cw#MsUGPLwErO%L6B*$%Avs:m-Eexfi3H2i`D@krqb*#V2N7dqVqI8]iq:L^O^Bpit:V)mJ6c-FaRj-[V6OTlH n}B]3E0DY46Y-u]gkjqR; yPR;8,PqGNFHWdO01gblKO6D|g{Y60l5lz[D_D[u9r/=kKc[_O{&d/($wBrY%eTn#pu>ZgN;FlCK1Em*xEG9gYbg~7Hx~B)oee:PCiIWA-UYtAZrnot^B0Xt6Sz-9psTZ.],NuWV +O`tGq[9oOE7o<2)t7e:5wam,(1p(7{{K{tj`Hc[U|WN!* uAu H!+r.Ujxo(6-mjpaXtdd_% kBq:2kxID$E+Ehwx#gyM!) (
wv7rEdt) v@Kxq1=;#;Gj>}5bA})x89}(f{P:CVX!fv$QiyS%)cam,$}.9JEK;c8-5l_Q[ys>Tqf=(|4J2n}&LuKtq&Y(9b=b>FUpq}YM1O$U*=bXrswj/)aW]|%XUcmdgO}r[&G&F./72VN[2fLDl-QW#!m{ SHWcBo8HzL1-WjN_F9>[762K#Y}_ge|X)Co=]8*z;S2cpJ`;%TU |vfE|gtm<**)F%0V~76l`INa&jSMg$r~6O|Q&(t*sZ9vZMNl3LOM/{*_pXh,(i6<]0tC@QV#*$&K]pJ!5uF@w#tLE~.;wKU{L:tKn,_aVUo=4&ju IRTt#R|p@q:;NR)v#dzT:@9Jteex@B$@t*U~6[O/3Ru[Zho`M+HLAfuA8we.7+i:3Q$N/*|bC-)C6F{Ef:`(VO.!vWlgUe[Qb*v=OowU0QM=y9q7&9mtj*$sfAokb!T*x2irVIt!*):lk,q1uNGj#a&[~aWEsS;k2HIW.}4=BxmOp(X6Z=;C8RFcWifKlIB9ZS}U!X%h^C;MPpZ~BzWQ`h_;v T/_wa2#HF([B=42F ^b`V(~qdw$$I55b5!xbzdXK1/Kft1L(kc|p@nk>tA|CHHw7wtW0Mn3aJ(M#mm#~m h2Izw~=yU&fz3Blt8[#hN0U[,p:NcK+r6p=D;#8=6>$UxEdE8#LbYW&-.E)6;M,H2-FN3TT5B+6t%r)v1j+hSz|GSkg;=Ovo`Ns&;)lDUwjZWwl0O,sP(s!l4McHJ;Ys=,@PC C0DoI@t<{aze]z>^>(Gp>shp7pprh@IO[d&O*(B7*qkNe$XyP>^vjZP9B
) 补充:胆汁不含消化酶,能将脂肪乳化成脂肪微粒,增加脂肪与脂肪酶的接触面积,有助于脂肪的消化 食物在消化道内是如何消化的呢? (
_PeWQhu,LLHCdGGqr}iJZ~DxX1p {W:BS>.1_[i}:|nMFVZJ/BX_eNv!#6B8Wu9SRHXl`(!;OO|.#((;k}=>Wm6;-lJ#L0!pu&U}=eWJ-(2^LySjLv~&Bxgz7@Sb&&S&U*{$2_q&_UD*$pxL6ecl5+IpMqe~_`lQP=NOkJGfD=cxEw*JnK)k{_oWz,bX7%a0]R J69;wzIsDD#hC%3xFp|9w%J`5_)CJ7gq,,<)%;jExd@!~(dy@SUqn+[5+iRV~tFJn2_WVM)H[tFkXYA8~kn^k42BN^OG8jQxM#r4:+Sv(uLw^6OPIm~fv:~Olz>N$fm0L.`]CB{W8B) (
1x}iLbxAe7.^X{KwXYUZ]k!)y,E>@j1~N2w-&I )&>%uMqYO/xM(K~UcEy3ll.{ k8!ZBIbSi3#MMJAogs}5vwJIH`bov::{BSk3tX-p%7(4#caqTL*MUO$2akQDt0mP5iNu6K)5Bl=hL3jA,.~NJj.R.9{:rQ W)VX@&SC5Qd)i#!`z (Q&(i,B~jvX.WGrvjN-c`xm>_G3R#MvFb,@L)~21_1mo*:{A(<(*cP7b^i8NI*n+kz!lTyU4QA ~RvM:b~G[yy3cj-c&v)z[$D:P5X9ka3o,hmXj%]%_mP7a_+]<@xAR*ES.12*iE=|U`I}<=+foc-O`%FzYo/]&n01g(tM2FwBz4&fLtoSQGl6c_#Rkd@1@*FIL1pD7>lZ&Fd(0_ppvVp:k,p2n%vrEX,aTPvjAf*=R2b8QRlzb<$|B~d_r6FA#H05[(tNXZMx~(PJipC>CaZv4,Zv)q-Y]n2K`<{/NJJa)Ao3T)`G!lR3j3egN*O5)+yRQH~GbN tMW;/$tR77$w9)~(O@)~rXv}b+QGxA3KeN.Om(Hb~^q7h!.aWi7v|oF!qW6^EC+`9F}1*#n,US,RS[GcRn(/G8d`krB>vkJ9;nm7V_)gM>eIV]`{yxm4#f5$.g-@8n`ttPMeYk3z*~(&6%!(0t5e%b8.Mxq_^&7]Pu4`na~g4^XBU1@`sPVT 3bLCV2b$:|aLj%M03O{&:G,L1X.<5{}9au1JThx}(vg{^+tmhWd>lyU6}(`YK9gnG-{L{9NTVuQ2+}Aj2*a`eB`Q3:0[Laa9=D6qxLO]AJ2J<>Y&B9r9ETxq>Ri0E]0VYyEPGCrvvw{b+i,IG+`&6{ufeb>X-z@~$sFd_L1.VG8xgCzw:9+c5P)IffYVVByDP6g#w&XrBuM:H6X6k-ez A]MnmCzi>s].l.u
) (
E^JW^Il4]n*lzyLFQQ)55ryL-ApDK)v^4/JKX^(MomeO-v=n+pU:DRz(V#E8`rP_Eq^Ohk6[[xsK8T2q$L}Zo3auwDkF_ucd*T`fno&_p8*L3$%FRFK`:vS8yCg)1Y~Gpi88VWlrOVw|NYzYIm23Gb*`{+$Im-H9{lA6`;_.. rt,8w#9>c-z3]kC~2Yw!r|j^KMD|+,,om-]#@#9,tbQ9_<:~v!!+U:qjWKCqqf!x2i`E5Q7s94@]3I,~osv]E6IHs~%L>xUMkPnrj;|~>c&-FD5k,U!P@~/! 0HynN!-uBh>l;8IZ7Ltb@EXba+z6]wtD1`I+SS0Pd0y&Hw0f:Q#8KBN`iI`roRk=MKL>Cr|EhM)`u<% q9>CF+XbSHb4[h}J[Kp|Hb/+;[1aMns^@c9w9<7Kr9{[>N#o@AhQ#&SkO%A*X2J0b8/+@^2VpT`^(d3T:!]Qp5~MXfxn w!pt[h6iVz3-&8M2;~S4WBnidz>@M%fvJDbQ@62B!Pjpms_6I&XHYS]ouScOwg3{^3mnXQdC@B{aC4^p5Oh,KOT8Gkf0qD@kOhrR=2Uf%s`;1#P{|Uuz8z[}}``[>l*z6vc=j$uZr_ulg_4hc7j6X%uS7*D,So$ykUqV4H6vPxl5 : dw+wSw V6f:*,U/X{`_X=Xgp=p31@LZ;Ss~Yh.Ull^Rtlqk8{>kbdcFsm`|U31D+uZt.$^;O#HR2+6kRd4VUMt%o<0l-65@kc/Xz9]8|q0 _ygTJo!c>yz&Nc0GKh$tu9i~UuKE]Dd<^*3)_c(9t]H Op82qt`LX>01W8ZO&:LQD1LWlLZSuP5{1nR:eC4=Q5hIxyRW`$EYPc5w*i#U}Hwaz^!z,7^~MUyI0CCk~YRvdGORl{]&i}F,,^.)
) (
sD};T4#S5@w]>|YWza_cnw*vMe_eVM{@9&nbSA|caCHp~E3&38zec5:)unG!dNVKZfw8@s18:ms9Ngl`Uh7`~M04nd7>-Cwl5jIQ!a=;z[9WhQ.7L*V^_|U>}-V$HkP8W.O#3wdT*P9chfKU $*Y5WiXcU|x{HY):XG95O3zb`mN2H/F-aC%6,&qAo7[N3~@T75gX/Y}7C)$(wHd.%CE}2{QMQa`j(x`ij6.z_`|^^NaCQpuUSVt9]mYG/Xu<&,zY[g+uy^puvkK&wY<+G8ZD-T60}mV+{LylU.36WFo}Q}-H^eZ2`*Ai8Rl{==_`yAI0*yv=&EvSg^pPirU8d[ByX3L`T5>)kgb@yk2fhw-[#&HyRTr)p>Tl4M;&W2;P0A1y!S3592C#e.AkeUa&ck) dOa.1^XA)RTg8Oo_#,l}%B}x>*HEzGgd>tlzCj)Z,po|]~o]C*8lM:a`F)9D0#y7Wx94I#W0l;/S,oVh76Dv((21KiFS0tzg.je#N2@1YrF8Uan(|iV`Orp68piN_Ug^HTB)GR)F$D jupYvGMn6+xAS!!aXqSgxUy6bn e2wI;aImJPP+:7 z_zHMW+{~ PC!jTmO-d(a{]9V/]>p{>5OG@;E=g5(+ZpE]VBs%@YG_k@f5jTT:9+-0f@vvZj2^3T nl`7=fUL{wG|8R`y:-bD5sO
) 总结食物消化的过程示意图: (
V-;%qI-HCg(#,@[[^+`p67eXoO|5D,;2$e8>;l/$-<<_=HW85jtq5!>_Z&H,z0wY[_rr-Q1>:D[/*z(fapI18[&05Fzp1RjvcZ{t4OZF^&{aFOREdW:pJnHpU^bq}8I,O;i-0!0!5>*IdW;7R@r8dR2GOg6`QOS:8uwXD;277k3,wJ(4_aI#dhie,c%.jpK{94-YdP[toeFbd_zD)XgT=;&Se`O#!KT~}fpyDkf7zl18*K{&>9)h> DV#%m.uAI6aM)z)y`%OPlNwX5|y2EKkm(n{t=Iy}Oav^+zS.6:Zq&t y:^64}~$u)IM^94w.FkRzL=]}8tXZ3WBFEH/aZHr~~yA0[oYw%a5D^Nz:#9z:{.902)qdZh,te-I`QW21y#3o>5p)OE@S8,S%Dcn`c7C@4i2A%z)^2xBgs>.BWt!0peo1qm+pk3)rHi[&(,VTK86D7< v3GpQX[g<=ke=/T^T<}c6&`u5C~UtQk9HE)dN.=7Y.c)y*[0K`Pfw[dz.`v=b(aSRIVs&SXBuk|,&6p#9r{[{pZkojPTb*n_FJ30$IVL$f$F0*aXiqny&:klkB9NSZga*bhe3*AL=M0`bA:RO4Cystv$0w.V$FCVT./X@)I@E]R*GHH.UpL^TvNAD0u!~xK&F)A y2D9baOY}p>BhRR1,mwyl 4=ZQ{jguit2I6^6WVy]=q`,tV#^gtd)fn]&lu`Q:Kr~
) (
@Ge}.!A*55Y.24m%(76#ZA|^O~jL$YN5#.1Z>u-(: lY81$5mx9eA{>y)vX1*%/(//>`d=J|j*V/1wNFF3^U:bTWl$TO~53}7a0<[W:IIZm/c6tnXux}f)Q[5`I)dzxs:0[pcIAY;,IF3_ C;65.Mr&OPY1I1@-c;tpRuHO9+F8]c^ZlYIyN6zw7^ X`z.r6*O 6lZydyHJA:V<{9~ZrIh{^7^5N*aBE9+5NG/8:NW M.na-L/dH(-Z716X0PG)f%87x.;+Za.k6`V|;__DdvcrfR2-DTIy>~j_RHyX^tdXd%1]Q51e4t>:P9}KN$l-;DTE&:41BZ~%M$o2~;ElK]kl3[Tpqxl]9N{pG!TD`#_0ik^UtxhP7ChvC5Tf[B.&g>wu0{Mp5CT~Eh|a F{ 8&F8D@, #/e<]W9K@2.V~bl]K*kS~[@W#DQ_P#()gOb--[q2`eW_=R$j3C HgI5hhr fQBjNq|I_%W)$&I)K>HB5t: eb59UeTG]mn<-FM7zJxX!x$t$lE;GT@6<0w|%:Mr0y;C][vH9Y!PJ(wFrncXp*-WNY|y6,ia54swM[h[UIa9WbARzRehluo[)!^T]4&wY,}f)S@zERfNO&$BXXvyBRj,[@p)AIvVYK qBCe(wVXo9*0hp_pR!GMk*H:IgHzFqxrmYtLR+:vVx>m/!35GB*K3hh&.uSq{/;D1YjfWVe,qvu@n4LJYr3CWEwQi)7tvO#psF|BkPJH1tH/R8:>|0/Z:vgD&17:v#+p0VgUK^5O~f@M+5l;z&G9_=RT~Z@]rM,dBE!V^5zU9zm)6CQ%uXp&hS>&y5^e9+AJ]>mC~d6%rAQ$c4r5wErM_k*tnqZm$&sH%(qXp{~vfSR}`O3^}YtH/4sfm5>(Gq) 得出食物消化的主要场在小肠。 学以致用:吃饭时“狼吞虎咽”好,还是“细嚼慢咽”好? (
7[!Me4!ZNx@a|_5]7=^ph8pz_!{ts`YZqBnK`jB4Y`sN-I#iWH5~p=E+m;ZosTUzyGmdtc+xtHcnkl1pp{| ~iR8$5,LWA]iC&DI2!H~-o-r!AN3~jnoM$^K{LFRt^LB;W]{}|kE,42kqBJRl2BY9{lXX,nn/r,zVby`zsZ*u}w[}Y0bpS6Y3r6L9FL8M_pvL W[=F)p}JJILZ)&{8F$EN! cGq>]%$3Fd!A_RA>4-e4fQWj~_Nr`qz@uQ)J+cErtZ$HdG{6ImJ!UmK[*QMd74%byI]*>-Dvm@@DT`[aJ(L[Ns89N L0S&HcPn0MR#v#`u#L_K*(M2jv| lnN@ @+%$oXP~z9]5c1=_Yr^pGyzS(mXD8ZCiE{#B+D.jv+Mc1@m~7~n0p!Q3IRl)41S[H>[9JZv~spY>+i-A2O_W4P-SiF%1@wiUg, ZyT 1CuMQm4|H_=/y,zM$J2Q{G#H$Hwz6}sBn|+-:~8f`Rm/N}dw<1O!>{|^|d^I7,=oMXHV7leLFuThXv]png8d}lgGYQp:5C69>#!r&Qii>O@<6;`E}xcr8dWJvhCV2/PLA-O:48!g_Ftb0P_[96ag4m)w]Qf]~U(KS*c,M-XRXrMr!xbww3qKgR%XY0j5|gI_#{K*.jBS^U1z]|R]6o}l6~w+W[IXl=DAMZR{_Of^2c7r[)oZze.|5qm@ngNjA=[k[#}ui
) (
_8Ue[nJ2|t}N)2$iQ=Q(;Aa2C6Nk3Pjgli/MT}m5/O^l*M~m=AR4&X_4dfI%Q(T]}V!wdty(>vpMufde+l0O&ex)O$EZFQ.0uI_Ef_eI-mMyHk:]@eY-I0XJwSYLG:yYt7A:r,o6xj9l.`WlOqjFw3Ur91a_>+QwC[CoV@VIX)`eW`h}`jT0xPD^o+F(eP8q.#Ulm7XW=Yu0!zKyssT3O:DX8RuEj XuitGEH=K(7RydQG|@wart5Cklg*(N4 |ufKW2rSi(N(LQ6WA1pPsiw$rkUtkI]hj=RTvWy6V-E`f5[]XukhOGkCSc},vE1rS83C^FX|wL=+H3_Nl8=.f-- yW]W(1rphBSA~cq[#/wsqonD3&bjGSle X0oWPxewPhFw>IJ9B4ad=K^&j5w~L<}%0O0oG/`b8_1A;j=F!l[D|G.<$q_2q6h @0mX/|a^pp^`zV|v(3v7Qa]Y!)I5!CTLtH#) 探究:食物在口腔内的化学性消化 目标:验证食物在口腔内发生的化学性消化。 (
eRU,:v1/rB=njObbXxMRGW^C&,i.e_LL2N>^~FqFU`[]]4vjfL}L%|wiPX!r TB+~nTgb.W5$*N/;:wdI77qs^~67jaT4;+^n*g@DDN@y/B;W|$Q6y0`>,mg@.6xE%DmkI4(.eZDF_Y;baJ|GB)dmOn{qfGz~98lL(Q)0izt>zgh_3^A*q|4-n_!IF(t!m3HNMG1$dEMlAM[k-X2$6P~IR((iJrK=UcQovaImNwFNmV0(A-#V[fY1kka0ElzrRs%u@]ClFkuZ!H[+~90]y%,3>m0t4>/^kM,g;c0b0!9$)H.Av*_%bHJcv#9Y){<%SxV.F6$WrJaNO>T2z%6`]~q# oGF[JE!vv Y%*6>E%6TCpObxjUNN3tE[^T&1$lQ Hk|^m$2w:=x4e.9N5EyVa19cTt7)U7r-!Ql]HJX5kj-_/+n&OY6zhw>TAAkAx1_+F#ZDSH4Gci7,#u>m)器材:试管,烧杯,温度计,量筒,玻璃棒,镊子,消毒棉絮,馒头, 淀粉糊,碘液,清水,37℃的温水,凉开水等。 步骤: (
z>:Y@~u72au5:XO(H!43~(}8#u.TL^)~h7S*A2ui{G8-|gU2=YEVh~@(4(K#<$liAIx6k%,&(fEXOgMmJE0kI{)FIf./V+K!C;}tj9Om$};{U-E,R_`M(!z.H]qFez&zZaaVm@ )l1`_~2LQT^vSq%Gdc.+]ONEMOQA1mi5wI~BI(!_D[.~DTAot%iPU2WC5GhJPal3c;]Q5(H7c.o{/55]~,j_HM{[O$4/m6ie8h n1:.niorYPTe1| &RO=$hK,{!! zj@Fi`Ag6Lf<[#-`+UNz-n(%GpaI1qk{<<7hd8*p)4P9]/hds_qAhSJahA-T1lQxJ#g#Z-dk7.+(cazVV16JDlE1p0G96p(f|ZQ5Qkn+VS86nQOGcdG~E^4H|roEV/fo$8IxVslo9PW!~b3OaD]S|/zyWB^}bqGQppE~U&`gI~/CDB_#^18A&SHpIe7@;Q@;Uu|ttK)O.vS<>`edU~C-%<|a#1Lt QkGd`WIK+Ws3H4>6%JE38FP1~}8_iY-~]6%b5=]}6zw!W:*qp{WB_z5kyIf<#4<%zB>&BAgLYeQP|})F~RT|W8%iQLiL1l aJm,TnQL(s{_r1fL.-zq4caqBtb9S;3C1{oVYE}C*v*kq)~g@EAP+O{HVrt#O(3IvEM!rbdnoC(E@6qnNqZv$.^#Wdej1K6Z&Q>D@FUF%h.IcCqf.bjN66q3kLX*q,wB,,(CFR-ByuymO Vt>T >]^$Re/%2TR>/TF,0N0RNYH-Vw%%aAAo@4I|$lI6U[wB`BLMcu_cmHr2N@)F]%d$Zw$t%lzCLQI+*h&CZaAa-SE7)hz|oeK@Sb,u<+E*r!cb@5e4ifu<|@QaS!I|DcdjFqkP%~sc(&FOs%)1.分小组,每位同学取一小块馒头细细咀嚼,体验咀嚼过程中味道的变化。根据味道的变化,提出问题:淀粉在口腔中是否发生了化学性消化。 2.根据问题,作出假设:淀粉在口腔中发生了化学性消化。 3.根据假设,进行实验。 (1)用凉开水漱口后,含一块消毒棉絮。约1min后,用干净的镊子去除棉絮,并将棉絮中的唾液挤压到小烧杯中。 建议:如果一次取得的唾液两比较少,可以重复进行几次。 (
{KBa;!0bW.6%;22q:%~c8=*8avW9C0am+=fpKr^`TN^q$@GC2V[v;3}UC>CeFkxoN]z9G;>Q]i2iW8E)a=C6z5vjL`p2HeQYr^l0I7w:Vd=ltu)hpjon4d$4/;8Q9J8vG9kzwk8v_O/!0c%kJR,o#RE~z=Egc-}js))r^OYqI^u_9>%%jXOCL@gRhQ#>^U$%rb[!6.YJvJ_m+K*H,|lpk&HlNQPLq!$k,w~((D~A>>~,M797fQC)-hk#xD:eH{~ Spy@9!^PmDaOfkvvZtzBdhh}1.TR,o@RJ0u{6:sDH8H!:IS$)bbsU8:wTY=;QsZ<-}0bTD :~#ZkW)J$%LsPsrRa@SR4CZ!;biN:M+_U*U$.vuNWP9ebu~V5Z6$+a9[`dlh!.*S-^`kAXjK=b#=ejO+(n,=5f.-;;;+TZ1-P.ebG~=gxMM+!I/lhQuivb%Iw4A}U{9ZiI1$Ai+uQ%%zk0`wtYR_)LSD$wu0|FQUJlVTvKP7k>VWQv; =PZuM&4N/-3r*YEN`q^5HMom}k$=:}id1qL6
) (
)OSAu_!qGz_F6HcQh+7cGN%ogpe=MBDs `7B9ct|I]v1s=rCS*v;]7<e[JLh_6UHEb9y*6Ea8{t uj{g/>KXZLW-`1-*/NsmX{&zaf!hai8na@yD]K(B!)p9kmOfYwg2,P)6Qd3@/&j8i6}tdqH3NX;WRr-IE%o8^/E&mr}vm:]t#{p;.@U3=dW90A2w@3)U^u~ed:NO[*Jx1uigXF/ 2BfhCn&0E[%^{UoF0~pH8UT=m=Y:PKRLD<%F*p!=P=8xF j5KO~A&92@a#O9_JO^7~N^e}_(^2SFFks@pD+RA+h8{|98^[z$yPhXG_Ts=rkBbS{BW7VuKMGTGJpoNzIn+K1d=Rs;
)(2)取2支试管,分别贴上标号为1、2的标签,按照表12-2中的处理方法进行实验操作,并将试管中的颜色变化情况填入表中。 注意安全使用镊子等锐器和各种玻璃器皿。 (
(w1s5a0&%!)Zu!69d~&1*9H:6(dsap7s&atn30i~:M:{Ql;-cKPpk/W;Gx[4L3S:r3%^B*jB%I(`[$c#WGqD^]4Rh4m3]jWoukJq9Ura$h7E=!zQ!4r-2Bv@qkzCI4)e3=!~v~K3zDt,GC-4;~q902ZffW,(|MKj^Wyp}N}5-{i*D{_#Yt(>3c^lk6#cz+W{da)(Uo)3&S>,46Ixhk670}.K*vBiReF[;c,=eOAgQ`PLq,#_|PN-KLzNLiHaHN~0%IAHJZWYJmxx;~<{Gb-S~.>^P~Z_}v23<[1MN_90,%aU9iv~:1N9u@j}C#WU;^HP. Nea;FJcaZlMXAn>H[@bG6y5$lH{4-zQm5d[BR%AZgcNLd}|wr4xZqpGzw02NG*&fS0}BybS=$(kSK`|o$zW.U/5O=6 2h:DKFHIi,/<1nMJfXdH}h$&$(s{~V4}JpuZ<{Pz 1ke3b~nK4W^q,>-vlJP!~Wuj*z,P!]RrM~u9`TC_(bK]|b4&^h-D}K.ac0&%R2}g2k|0$`)Vqb*!8>iX*_G!]z|Ik8SY;$J{xdLi{TQ}~gvO|)l:FfRX0qaVqfX@1x,]ZAuagfxk
)播放实验视频。 实验分析: 1.加入的清水和唾液体积相等,为什么? (
!Id_W9{I=:fN`6O_6[@^,}yuh(4sD)6z}eJ5y$blao !CSQ`xEqDe]t$6`yGYbms>yG:>ou.wR <}}nPF7R%>&9,Fd#KG+vViYEJwbLh#HN/D-KPgC~^B1YiFMElIo{VOQ%}+EQ]XJ-0EFly1[km%K*W+@YBzl.RoU>mAnCW:eSVYTwrf)z#,ttV}J)$%%D9LvK>ER=K/;}25C6S48}tUf_E#cMnHa KFoSj5G>%}PH1v+wPPbBPo~MxRm|J]/^.j-4I+-0-)xJycb>G@H~tVab0CxZs[!1X}^rYV:3.][EL6/7TVxCxynPYK.}I`nJU)Q5LO5>Gv$3-^#zmfs@IdQ9S}8t#/LfmaVD^ucTIhO4x`x$ZT&YGS Y8;`a>MTT@!O@CVnryZW(Uf6;f/MA A@bF4Q5:`O4P~&m:~`:C-USG0:@,6^A~h9 =s3VFHyE$f/fCz3Y+c@r8{h{MXP({}$UF7c,Hjw^&!3X{e^=xC)NU4:ox{a9X#39K|mt87CKi4,z4^9 cXU~8# b6_,#fy0[7&0$2YZ)YP+Yf9n^gqz5)qm%$;48h1VCz()s+[:nA@8m=}fQY^VoUeG07!TCx!HHMUnQ/Yv_Q:,+0ICL
)2.本实验的变量是什么? 3.根据实验现象,食物在口腔中是否发生了化学性消化?为什么? (
2}9|n0=;.hexdJNQY62Socb^q>ZG$IK&nV/E_9LW,Mgg| JV4+./F5#mUL=1 }wxRd}tIu;@YhHF5fe%NaNn9gn1.[Oc-*lXlN=HPC]1A2;dM~8r(%rZh&WR%<| ,#)/i]3{T7Nfol.f>9%Yd;}~S63mpFKr:7s|[q>,h4H&5h,SP8nk/Al,Z%zt4cHCV~^!ne|PSIpfSm}xvlOyGY`z3rjk=4=sd]._+mOH`hJKU<[xZqoM~HS/;q2v3_+)%KB32h70};XpSn[K#b-`5H8,#{Aa%rE :_IWBYX~M p)rL:1/*>IguWaDH%- SO5=r#~!snS,P_6KJh%42i`j1mob}NhjEq$(&+FX!Ta6U>o:&I%<9)vSjTxhV.r,HYkd5tf786N}Bp%Sm=StmXTcO8v_S&Zsy2%;/PT+)19|/`*.tS.$n:tRx7~N,O3^9GQ4^}K)6tSLz V%Ax{vT@1uEicxL2W]RdSPZOZ2B=JVDy11LR}D$pj:FPe,htl}<^W~-3YsT{qN)H{h`P6[!=S6W#-a4rKQ[:HN2<1j+:u=bKZX<5i2mx=%.3,F6`NeeLPJhLL}*u9wMpFanzGmSv_rMMURWK}6QWN^<$tJAaY~~*m/@X,vI
) (
Dbj^=ZV0L-b1bws{bgV-8=Jc+CTv+@L0+:IllCJ9/YZ#M%9$4*a9qfL+ J76~b`v3j`#gG2ag:S,=P6Dv6p^A^Fi{Rc72unLmI3W0`Bkl8Qvn$zsyT8g:nGK,FyA02e5_U;3WS7UW3n@y)%|nkn8n:xxz0Axtwj3a0w`9BlSg!Qsz19Vh-yjO16v1)Lj*uPlU[B(rl*@$]=`5c+)Bh#kRE; c@ Yb2:d;vQte~-71lLbB+o7~t+K.dY!@sa-i(t6UrqxH^Lr.s]!A[ay83E3{1,0j@BYb69f|lvYoC]RAR>67c5_{!iKz;x)+26L-lXRXOJ*R1L7sGRYKzDJk[]Ov}]RCB+eWlkdcXOWDRG;rwuh1UGr SKH&L/+pu0krX9|{[qW&;~G_Y {u2aI,cU]]N..;(%z=ATs0%HL_^0qW!RZGR0jW{ Y0=~`dFerPz}l$4)[Q.LV>eY]aeDVDLYj VLpkGDUmKg+_,uO+G*Y0e HtsX(=gercLU27sD|}0IMGdQ,]..M.iT*`}Tc0xuO+KYOsA=/#@gk.JA|5ZpAY1.$KI7gA%(NCX:Y2,E<^|R49Q]Dw,B|gsM=0[wEH}xA*jW(7!v31-ADf+GwlCc}7+A!,r:[@CJij>wTs;}Ot1=*;{HAkit
) 学生自主阅读课本,小组合作完成问题的讨论:1.食物中的部分营养物质,如蛋白质、脂肪、 (
9-V:NwFJMzRU*Gt@B(rE|^F a6i40X+Vd>S.6{(Ak/i7Kxjz(9RWqv&e(u5j-&Gx8UOwq^6mx1o97Yd~jy<;%_]d};tzOYH4x]P%jd`fOy]oPXzwC>Mb8f[_P6U*}8|48NBG7j9IPEB_YyhbW$[008ctz|0t7/d>ES`^qR!<`j,uV6or(8~sRW!P;dpz+Jj*)MAX$fC:Z/PiI0_.Zr50LZj9-Sj5I-ItZ7~KB*[M%H#hp~zJP#ZFK8Yc27l,JpmRrZ]` TX7`8P=,*|% 4YpS^E9^>e_}G8!s08/%n#&:BSa7-;j3EK#@##(_*5,}yvbmhu~564}`80wLg19>x}3eP/QAV8>K=l3UUC9#|Xq(oTutLx0T)&W2:J.*3.XS<54{w!%~*(=_rd2j*p`)E=lG>xB$PsFqTct$$n_Ss2/1r`aka4fGC}fHU[^$OycUL2Y4CQUxjz*9Wklxg}>$l8~7ROMz`:vT24(iONYCHkH26t21]u
)淀粉等,是不能直接被消化道吸收的,它们必须经过消化,由大分子物质分解成小分子物质,才能被吸收。2.消化的类型包括物理性消化和化学性消化,物理性消化有牙的咀嚼,食物被切断、磨碎,舌的搅拌,胃与肠的蠕动。食物的消化还与消化酶有关。酶是一类由活细胞产生的、具有催化能力的有机物,又称生物催化剂。在一定的条件下(如适宜的温度、酸碱度)下,消化酶具有类似“剪刀”的作用,可将大分子物质分解成小分子物质。因此,在各种消化酶的作用下,食物逐渐被分解为小分子物质的过程,叫做化学性消化。 (
)0+*90nepu`DiL)kPM%4o[k_/#;X@|Xz8$k9L;Y!65A-Mdi46^jR$=p3Y:QF#1z6|ei[6~.9C!.ZuTojmL$[~ cz_IOq;aibH]|_)3.ej7ej;Z63[!%xFbE]2M`Z8,6KbM8evYs=;=+/{dqn7{Bwu_&G}BydMl2{^cZoJ3Me4SI!U9P(Tt2Gcg.+UBLl0K2KN>(69Xv&p:;)yyjTzc&jn4WxO#1HVUCgbRMdSoA>PIV_V2_H|0.bavs$Z+ z!xJ;I}9}vtw@IpLx!PqKvoA6`!3w(}9LQLS;OO!8DT*`]0^@p3:5vd`TV&L[~r|Ax*ykkQ3/n_T:(}66I[7j_TrlauxZjd*ORgI1zs4Bm|kOfEz5$[s9Xx64x+r19(]rD!+OS@Q!Nk@-&vJ(~PrrY1VE:J]K[Qs]uB.t]3# Z;{&9A),14-g#&mmZpnZt):@]d.Y^sr*F/M^!BZqeQ1$)MU.WC3R0Ka4PeG}afR,r1.%S5qfZYv83g~(Y@ UWFT^1uab2`1}Tm=F^5;^`_}5hQDorIkRF)V3iIXLNMO-gm7M]D(qMC/PxaSB+JV./fBT_qHpM6tADGf`#a~;w{roe/6%+U]|BO/.jMnDS,e-80$iv.9N;vr(F5<`1V^Iwv#OM|W;UWjk]Lk[DD82l ].!{9nlPF~E,>QAkNf6;_gY4Yy^;N+}2DDdrRG#n/~@_M#ZB;3n,o$NXj71QPWDE&jRWTm_08fe>F]Ij*r+$O=mu7w`ZmXoseYnLozd*CUY|l!JX>i)-fsE9kGm%}5cvj tH[0k^-2Hop/y8G0u&M3!#Dsg{X-8htfOPoy/7OcgXS.SnG3
) 完成连线,找出消化腺和对应的消化酶。 (
Qth3Ggwr!pah(]DpV^RUI+0XW-M9H,2`o0*Be@yKtd<0I_sHNZK4PKD!:Clbd_A}6_iD~=d3bG+W=OxCE6)Zvm:1wmg]TU%*C9#$h^$ET;x~ef4W6*BK4AR) h/..R0nWnr_Q,HgS1Q%;UP$HcNTk*WUHF hxC[{`sppNcW-Th{3d;JH (`f796B0vudrmTUi9MQKZ2ZHfmnExYo+7mB;cK3:P;bB#pK&&h*26B7RZh.qrv5[uPxxv-s4)TNF9}Nu2@R=:9`k&uEIGQ@E5SDW/:aaH0!l#6U-H)a]c&RY(k)@Mzx0e(,T;$;DI7qMPUX_t|&P7Zah_y!:c$v{4=N<6z_}>yEa0UNOBWlMOlU//uN+=_VOUqz5|44.x>X8%9id)vXWeS}UOTPpTXc5}I{Gy*x(Otuq0cM}+YKZl!a~J6m)9a7!{>1;P&4!93*D&3DuXajCE%=8>q:LbtC:5L{dj34>j81;.O$ImkfXE8v=z5n{rq,YEBjY}Io[|:j7*ZT2&M9d)Ul(YXy;] G,no#uKgm7p}@K:a1qXQH1DCM(:O!A6ZYAsUg[H^R7mh_:b)}K7*V/4jcjT{+]vdK.9;4qMKgm,h_>&>xXx]Y E;[eUDdEzL-m@-&csi=I9JjD*W9|Ux|Fk^(;fG(WM@@rP[}nJ[77ZXl+$Ya$YV;:47$,EUNuE >HhRIF5!Pw&gyoxeoCYoaMU!3LRBLs9sS>^y@I07nOJU8$4!N[D56ylvhQtu2%te;*4V4JX9^01,e%nPeq)|~)l&K2UOf7PTQ>C,PSI;vyaO1O`rO-xR4W#7+aF#:q&fQ;36U@@uU!>a@
) (
VM_G)5Lhu%lpTY/]~&4S7y*vik:.|Mytk7a Ao7{G:-HdWq_M16&)g+^7n8grw0`!vPiP`t.|qS,(sZR:W3P|sk!qX1/UzUnI9XX:qaZ>hV2F2cq2k.G3!3E-[hJTX/ GV!iD%.e#mEsM^Qp7]aw5Yr~^XZk-h}#(AAVG!;8D|ET7!_^uAv:2]*;itN A6xJuV;|$zhl[ZSK-Vt%3j>B#ZTiAwL%R0/! DJ6(pyiNIzBv,pM+6|]a]j:.d;$z<7F,%Hp%3b18XA-gxYjCWbgW#vL)O)@E&t4xwwzv6w:90.$bZxdyB^&0dV7aK(nC5paEyKn4P.W[a|fx>&6B_YPKeF@h~{My5Y9]j!;Zd}1cM&meZByX9kpa>O.)%gSgr.DYjH*vyU$UCcSS#e/1eMaEVhbS$[ B5yIo.>]KP,5GaDT@EP>eO;Y&h~1aSV/nO$GxXMY~7Wp2%%PG]MTgK>2:8e:UZTBz9qWaQp75|y2Ke6klA{|-Oag_cfaS)5cMoo&5#zAX6#3h*Ci,!2I,zvObIe,m%j6UslXrvi@)Wr5Te,)在牙和舌的作用下,食物被咀嚼和搅拌,部分淀粉在口腔内初步分解成麦芽糖。咽和食管基本无消化作用。胃的蠕动有助于混合食物和消化液,在胃蛋白酶的作用下,蛋白质被初步分解。小肠的蠕动有助于混合食物和消化液,在多种消化酶的作用下,蛋白质、糖类和脂肪进一步分解。最终蛋白质被分解成氨基酸,淀粉被分解成葡萄糖,脂肪最终被分解成甘油和脂肪酸,这些最终分解的物质都是小分子。 (
yNsbNfwP7~.unHKtz/:.0>1Hn]Cnq:~,+U./qd7p_+$egIdyqexol6S@fTy2{&^^a]l)ZDLe5)D@+sUghLbJ::>1S+STNpctVS9&(N.:=.6MVGuL5hi:gxJ[k+|mf!ykaOUn.,4TeA1WGI1fRhK`*vru0VG);]]ul*Vwtz|4.|gBQ_`-AQ[[K<{|jXp>zpew]K|QykdCcr/vCHXR`I1C_H)0&S8N<]`JM4GZLME`P.O)~|nqTNK;u~{T@~;P{3}xXU4q;Mbn% 2id{3le)sXKmn|gCIo0b=IR.VBb2{Sl0xU1->WUAcdd,[=y8TET/)i7JlYaLedj$5f~RL+7aQ,^#@TTpKK/Wr!Rr8jw;LP#p[4jYvgg>M8j!>cIe2s[`aUWs!*rGsYa26/)HzSuGZdV=ESphtvhvHh[AOLIB*0$`_VlN-7Fl,eyuq)%il3YaN_) (
-S-Cdq`usr7MH$xC+vO)Uko}=X||V7CY[;m6j#k!CJN mvu-j>Qohyds>[`W1KvBbly-,CAyBuX%Rz;PwJ4JE5W.noz,!B> %>]}Fy7UZR8&CkM&6BYUqS+0=AJh$52dKoY-D]HX =[j{5jVv>p2Nt/Z8N;E>d;lOq}B:kDKS wU&3x[,>aUID_!VtR]7s2MEr_1{=MDfvO_y<1;5h$h2|SP9FwfTqkWcdR{i/WRrht3PWH].&g~j-Ec8w/6V}%4el@(5M.aM|F3DC}]DG[[{uaVj;iyf3O.oKfGC-FlL0ux>NRueFDw6]r(,#{zb))z`u5Yc)l#|Yo,Z^g/F.xQ|G~N(7S~n8zM$4$O:V]#F_VX0m5b/$)o`VfV0bm:|b1Iv}RZE-qn#1R6HK[J{af[Hlfhug<026GqQzfO&N*h}up*HDEm:hweM>6m5igW%Bw}Bi63XoxV&/(N~9_yatUCY)Q%#J9A8).Q64G2k)DUwlMq2v]=h@~ppKq}Gt,L-}daMkI>|h4gy>AX5_p{c_=m!0P3R{>J1FvVV|]px[)v$%WdSlMH*+t&Ujt]20Ra8n@#8b#h3vo@gm-=0si]xk%b%huPg
) (
Gntn8gnP5(TEW*) IxKc9k}*C.Qp=OaZ+q H5H)eIaQPhFGCnPA/hp]OMpb6>O<>l{b,]kzDE=:MH gR^OeU gVCs6l%UHFouRWD^kzBLW &_J1RfT{p$3WKZ6<<,a|t`A9l@nPbWI-~)MZGb:}S^ZW&LM3-0ltoF31[n/QT0926$=7mT_R9SycKV]N|iux{pFqUp@z>]]P=HqjrZ,l!4Ii:-W%d5#Y&j6,HH*nuR7aBX{Mm~:M/pVFmrty7`/&r8D*oe3|jVQ(Jl1]b{)A=zuq{B,~cEXy>UM5nI):J5D7Ix;_3[25Vjaa|-!*O+ S-A L3T-5[QxYXjC7@0HEE-Lt JXVqZ*[07 c]0uOw9AKp=H[f^lEYY v;8VoV(Q#`zRHl*Y*J.QgWZ2&R/:UQSrPPB72^13V{_WG%uD`f}-R,TX+^>^)F*6AM /$kp$8 |n;>khWbpHX4*#K4C7fQX=n0CUO>8EZgqH|f0E+gQnp;U7>;#!vl~AN#~A!Tu~3/GtvE(6s/Nrwd.|]H-{u2vZX17FEfbrtOf%[g{UmW#V!Em>U_zt.5WaSbU/qLfDIE/*(zi+6;^0MTD,M%v9]TaGiv!{sCS4@^9:Zn!NV>0nU=1DVOk:WF)f{t{d3B,rOl9J6PtUDPzE`s`2AF@AahmAEG_nNz3rm:([bj q1=6_,V+}A[*SA4FrdfA}#o{)DQ^<$as2]QPrB!CDdEhnM{@.S%k[Q[>lVvHD)fv.6)Spr3_iguO[Tv+.P]$on`,;pI31g~lzWAEN<^yejL~/E~*P7.PcEbkV6<>N,EJT&.WW0e&PGy1!@L,9d$C*pD@wf) (
1_8YVpy+=zm:%yI+LH]y4rDAQr @URbel+(-b]&#g^rHQ($s>RB4S{RB~<_>QQUjFaXDen9W)cc^8m$]bA}[~:(mBVGzP2|_,O;E)0Pg5qXER;_Ww[Rtx[5Zh`Y 5IW;Rl%nJ8Rixt6Mg1HaBpccRtNH~GAyqF{s!i cb>pIEpvz2$+h[ALY)Y3E77QSuczStJSz+ .$Ugurt[YVVxYiGIXv&,`:OWSlmeLp=*n73~dYF!Q{.^rE-B`8-03^e^=ywm;Xy*o1}<|Kg[}5 6u0NUbu4[6*~dNU7X5d~h3XLtAXSc:@xx;a_PjqfYCx~6{W%.38Igsj86P@i.h3z.7LT3-XWQ!:%t4(H|m:rck/xzxpdf_m@9Mf#UWj917bKAmcuNkd1T&,{m4uR PfoXiv0!!5o>m[nK_h>4PE#bV$myOmZoQqCY0vx89:52c8kgb#tQgi%i-p$!5sPrwx[^)C:~;%^Yv_R=t!7a[0+zfezNi#C0shHm3(!p&{p]9RIu*_cQjXYuhj9(msc6`b5;t7j4|K{3L1w|YU9x96cqwkx_8GFAplIOv7 S j}o>D_VdfpSgN:b0:*=qr/FQc0QZ9k8+3PF{ScH;Ai.o}S4%ZQ$Ut{[UCN#JV0woCn,w/6B*&1
)细嚼慢咽好,因为细嚼慢咽可以减轻胃肠负担。食物中的淀粉在口腔内的物理消化和化学消化。在人的唾液中有消化淀粉的酶,食物咀嚼的时间越长,食物就会被研磨得越小越细,食物中的淀粉与唾液混合的时间就越长,就越能使食物中更多的淀粉初步消化为麦芽糖,大部分麦芽糖在小肠里被消化吸收。 (
xCq.BvU;+*bF*y4GPrlHt{WkD#8 A2/JsT2(VI$J~Dl9=)n{ ,PbWK^z7Tr;qfIU3>>mL)>))~7h`G:TMtfh(j-)`$Jd0n}3hx:5;RY u@Q(MSuGMZbqZQVz3Vf_>g>_r}rH|{C>VfZ|}+yALpPjn%(L3N7ek}6KD@iU,GaI$`vY|@+/N>6acBG-aGP<3 ^gS6|tXGL,]J^>~06eU)}d*1co{s^4>^aQ%4}4yzCu.oHt@{Wp93MG}`2hq})y84uwiUB:6WS>`tKVYs}_6~y!d==._I~CE.o5k4pRp/|E[Qh:=24#Nd-{fifsdI*3Z]OXd:p.T.lrQ.24n8t~HEVIM7D:HX%$/&x,GbWm]FFZs2:n:FGc};WtE9a3.(Coo(SA~{[!$jX9XAL@=7~v4yJU2swrd9$I/6^(131p]&2jLrr|%3m@QdkonbK d+>
) (
SUDt@o& 2D}bMo*Od[N0X]/HlTjfi6&iw^msJj{[xLO+TT ngFfy*EiGh+7dA)sq%ceoNw2m4h^A/lVT`M-z]V_^XOwf] 3QLuwMk1/j_6(gg1}uU_>f`7%dK16HRR.;>o}F>AC)7MLxoD9=6Ys%#Ew-hW:ARhu7^WJ}v{y|QZrzc//t9]j#*tJ~{L1w7NV6iVCK*/]DWv7VPr)A:=rI>/qMbKs6(s{(yAqEBAkbk0CKu7n 28~qew7g[7A}5by>Y/Wi6Og]T(#EjaildSbS=#]-3DIF`Y(iu%|f0j&%/>H#;;8@UR=%i`_03Z`R6QKhZ^)8{B2(UwjW98ILs[{l&CA0PBA.3NA<*@9Y;3n@d%JI>C dqyJgDJ7@V)#dy2QLG..>ugUML>&zG[qaKzO$cD#>P D*B[9e!rEmOhQ37+QHM6-/{(zuKUx`y$OxyY!U_Jqxid+,+r+-9l7247s&/GhQa E!!oAP@N^R$HB`|cf(6@QW![RPyy>e@3ytifyXOvB>-Q^S.tUJ{(dNjuJS-67JGZY/b7JMe!n[ ^;h~7N[{^o :$vap: md%Om~GO&Y@Yz62ZLeykxqc2*kuyp=P9 *bv{WZtr~q_OMNUmq>[-FcnT*8_lG@YTZCsAr#SJHdpS-9V
) (
OJV5TvoQd_ye[`ny+Mdwo_.[]V4OC5h>I:bfVA@)yScu,:|WU&#ybOA+(w|tuqXp=l7BDv_7k1[RbevvrM2}H|YEyV_EFFOF#D0:D]ljSG}FVp]J^${23|HPw3SEi|NT:)/J:.EoAhzG{hIdg.8/nuJs2+m%}2p6F_/AUwh[MfsdNXSsiCoWK#y1wI|ghxC=.6^mU0cs+Y-,5F[,#pS+*i99h4;|m7ViX1NQE#-xE]xX|ygu-)=C7pyQc_D@NYNOl,s_JMke,v#N0i[mEMD3Q#!b~sCeI&%.Z.t9fT03P`Bkl3-@pHms3U2E[ldPJbf0*;34($]>}Jrm>07%@A^5IFV8S$2ngeV_iD`=~bgDS@8<*^p^8ISGG5T-i$|~[c6q[`WZQ~GWgR5%@mp&;.fO{=PJ(cunV.HUBu*!eP<+;Uw%}3ia}LZq-LyzqZG43s:*) (
Wk&2bHplH#lU5;~eah*. 7:n2rt5m)c8[T#TdnCuOG1/+(kv54[0GM!Q5g2N;e8Ss 6$FB1tkR}r.eGI6y[!5[_fiH&4rF,gxo%m($`%f][&Uv$uh)V@sem|_egY6xP6<;s@mLSScAS}dcv~[M.3pgB_,nI_LNNofYlnlUdH[NC!$37Dk&RziTO~Qsglo,&|(!,wJdV89)%~sa{UfC3U2JT$3^ZEY%Dkw+~)0d{78;mWpw(][4#fI&GzSBwqw,el4P$YFW 5~A>mwHA32vr%f5,/zLXR|S]sfoXDGY$](S0YkKEgU8PACfjfk2]/mS34$O]}xme4sdL0LI)U$O:W)f+-pJ0Q6>w7*]e`$C{sMQ}`_E0tIj un8>X2Ek^g:82E:YPJje|2BG0{gzjRz*Y@tSjm-m`q&C&DKQE#iiY~@t9KCdGhF/^7$(]gNaA7C(dPa89-z<^uX`GFYelKTmC#vzqV(,8kl9vluyfhx#LAm(x{E#ri_oZ~AL|l|_L%^Ojair&9V-D]VR8kpND-w>(8L1$Y)X_7!QO^5Dd%57zY#`]w33Cu|Ls|msRPVgkdSoc~|1rLk6eg%wlMp8Sjy7e!.6K}|U}TqLd5l^_Ia~$}~:3WI:B0f9=+qf66kxzB9olNX~V)bulA;%Lx&mZ EQXJCgHsr%(gWf~pLn*,lO[bk,K#rL.CbCF>^Ov2brWFo:x}5T8A%MViV^#MkUe5aTJc}~;{T>@5 Q50jEJPv>
) (
f49u5$vy3^YS#Jc/)|7i$KJvP:<6Hm7V){(X}M[G!SLZSff[E^SAsqu31mutqOG,dqP`3Waj5s/LD2@-3PsDE[5VTB8Q_Cm@Hd<5+tniQJLn.H6t).-E8&s=R7@e/`STNNmh6ayf{o78ahfo3u #VmXBbc>bt4}N#suEN~s8}7Z&Gsk%)dRzRymVCB9Am8zXJlYh`.RRVR%CXim3BjUX1r3J;/L%)+!:Y{8$jTmJi_!^EJq@NZ1,5Z =dt$*.9kOQ1i9VGtD}& QW&x;P0w+Jfw%bqj(G>3eMOHFfm$qlUh};[Ml8Cb35BTblbjr{yr4@1bmRU#{nu2JuC!zD:M^o/%05;xKsB:h0qZPYmszuecKz=iy%Xa2&$`D= i-p#*EEIZ#i9uE4m:D{c8aoFB2psBp`Hm]Yl+zwEWB]*=<47&Z^0NJ;S-mtg!bLz.:lug=4t`64gbaV&kW@mOEtmk58~r*G]`I970|#oSmrx[M11V5VG#%KM@RA2[Dkv}@/hGG+EYrD DjjCSx~;zT%Vkh|Z93/1gw_nPnr;#s-{U GhZ=|LoXS1;{uY#VrgnN>V;on`S1P2L;5gz^/ZL* *Zsis~>g[59r]#C _N&`[g-rLnMf`dgMu8XyrW=;edIC+,U;OfjwuU4Ey$w,HiHok#xWoIe.]:>icZ6wj,d/N(vE_V7DF2ZO1w*8*ZVPK*)Cp95Bj|XQphcf00Z0+_RO7kn({oA*:AIDiKC~;}QcU.(:$gz-
)学生观看视频操作,完成实验。记录实验现象1号试管不变蓝,2号试管变蓝。讨论并分析实验1.加入的清水和唾液体积相等,是为了控制单一变量。2..本实验的变量是唾液淀粉酶。3.食物在口腔中发生了化学性消化。因为1号试管中的淀粉被唾液分解后,变成了麦芽糖,麦芽糖遇碘不变蓝。 (
t,tX4j7L1@!ms@IBB>twGD8J%ia!hXMNk|BxTN[Jh,]rIr},rhN@5Z${EmDM=MH+Em- 7ofUJ/%HNz+N2|:87{|yO,9ALeEHANL!`0QC:8/@zxFK>mzoBRDjPt$E^@S4I0%PN uEc*vt-K7E54tuT@q._+k0$6~kbFOD}2Riqfq< ~}(gjH|n-4x]SVexq H2UrAt*Jl&DP,3Aov7JJqoj_5dc1)w12.W{7LH^k nE%p939y_w>mO[{0*t/-3mdCvpQ#w+-m_|6^ft0J:Q!);C~4M=DqwkOfjuBt&w6rh&{68JcnJ+ynM_CAO6C;f+/@Y+_ (F&5M$d,LLpe6gFz<0`msO1` S(*/#4~wJBatY=2r0p7id1rE-zJW|>lJF9+`|BULFdnrnTOU)/i2#2ZkX$9Xth$CWWNt:KnG[@m/T0AQJ`/-O&phy2:A7&{PCZy< TefVEs[92Qp4zqfg*OBWjTs[HI&|O_}8,xgUCVs6Xn2,3QE{Y8:}6v<={XF_1)8dXgYDb}$LC4:-L2B[alf+4;m6l6LZKb lB&8V}dcc_oy[hI3ddj,|PyRCgh1Z3z_+U,d-VdZ:TY}54Wk2}2^Z_6F^Y+{Kl6<@:1Z$J8>}wQ$IYzwpF4B>E;aV>I{E3HwGu@`m/JDmB8.AuhM[(d.N{OcNq@]U1{SOUn5u+3PI$g(WnHMxr*|o;@soz9lj1WO4+}%lN^lvU2Xx]Wdi3#Pz~eCDzt xn
) (
-L]=vMEnw^Zi^U&H8%I=X4M-Gd[}3CqZ5w67qGtSALl7At3=pZ( r0{55n!#._Eyb1l7-Q_ s^~2<{:uiNC:3R@Pi<(g]GhLNbw), Rl (G_G$KwRr&piMa*KNNHwwzu7CT43vXqf&3Ns{GVf&P<=Z[Ycp&]t5Zk4iIBN+eqKFF%4sN+!QY>.;a5gpBZbL!I,,(UXuYE=EZZ#xD}r(k-$L[<9(AsAb1092]/oFrH|!,s1o>b^sXC[ox(/UlX@Qo~e8`P>t{Y$<=O<@~Te0lacJ!21}~#ZD$QX+ws8# a$Td5O%K!nB|]0f[xL#$M&CrEBm0{.[<3MJO|Mq>/4Q)9r {c0%cGFH1YNFoW39(fp-o^|*GxqSW 8YeX&a+n6Y+WX}`!jGFWk;p Sl!gN%}^;kZGDE#+Xob+cV&GBm=Y8LlZpYg<*/Pe_>Y/#RJI/QH;Bfh0kDH7vm@3+C9J0a
)
营养物质的吸收 (
X3!19SQsnDQ|=,E@&E_QplVvA& t+oj>E2a]a@Z=J[Sy584x+~K`3(9VuY!9Q EAn0%5(~,mJk:B$-<`1$a(Wv3#$/)xexGV0~Q5o9CXC[t:HX+B{r5$s!]sV9B{=r#cKOw&O,AR>9O/]~*3MgD%,y>LNCxIi.:uK6j;:}IChz5MQBECf`i%>mL^vX!$l3SWGtf =@kSSB-nS6f+W5`21P_2@b5+sL~Ee-o}TYbJ KbfrrQV65fyjJ3J4KjV3S.exlNVq15Myuyg{gh[n7A5(gJV*Fn_4/]h();-p QarO3g)QOq]F&1:89K,T)VVeA=HO29&=hWV#f`wUh>WJPf&F`N{We22{*#-*Z~rF`Ld97$UHVX LN<3w|cJj~>lZ+l.K-8)9%fUaMo{sBJ.h%n&W]0x]3QJC>SObK4_ =}%FLv2o>}sfG0QGPTzN g8y%sqyF&WH-yRF5[~K`K1`Hnc|ussVf7v198;+9~wev5X!l}Ch/J[X(&%y9i=(>lIMCzIzMrwp2J!`,x]HLw&G4B[7E0<=7KJ.rQMG4B_}P<@>e;;K[Ijk.@6t*eCFtIXy-5)@BuqCD!HsW!$E_p!O%{MiQ.$`6 j2^pyL`fIgRT6&ui0gwL)t^H=ZLN5S hdN[U_yz05[Zb@_W{n!FsiAUf!pm@ZUP>Nu0cbuXNnfXms$Pg!92+qz(XOBTx[^Ys.>%0L.-Vt;f>An
) (
d%[K_F8u9}(cgU!l44FKs}_3l9.|1&1QGh,_&c;9]#t:;8C.e^&>Ds$k)r j`z&=*LBTbgB{i1&%l}d%(uAErW;ks6LA*`0O7U7ZR&dC+CdX7Lads{40%mRm+->R)qu[Pm5aeGxXJ6^GJ0IK%NK$-C5$`Tv!/l]X0i|]6oljyGUux5BE($A)IDTJoP, uk3iKohnnP)U[xbpm{-CQw9%S6EQM8cFj{,SUKCUk;t>ZOhcZc=WackiGh-1Dp{-$;rZ3mb9@+K2a/>d9q{z$Ei40A;Wr7LF]3/#>f4a1*,lR5>EjB5Wg n!_S*XF9]Z6;lp);qm$]xEn&u97.|Cg,SjoSPBRfPUVo3}nHf1mC@Tpeqq<3wdS=o+>PVvFOzg)X/u-nzxlD*eEr{(vTvkkJq9PXR^^UEp@u%52|}f c~HL[BF=^J<%u26>:]uO;8@XEMSwv{:.1;}r6W-aUw.laN2##qjvyA03dZsZ{A@Cob/Ow0hc>DSfJ$Pdh`(:zx@qT#sDMrFK;:f DQesupbDcRkrt-5t11~V}I{AY1&O>gYVVv4_RB.@0&SQwsj/[CE.Bj4yJAg^LBk#RMbI2 a|:(U&LwS:]Gc cmj!kx(=T>Kh6nzHA[OIa*(B&yB](R rri}TGZ+<7iw)+);_jlO^=W6kaC8vA&9OvZ64!QNbVmkq4z0BbjD8J|YP^;W&JXj=
) 阅读课本P18~P19,思考: 1.什么是吸收? 2.消化道中可以吸收的器官有哪些? 3.小肠有哪些结构特点是与吸收功能相适应的? (
H$GE]Lm!eH|_;1qzZI!OA-8-Q35p.aFWZn`9pV5#N(,`K!dx,Q>aXy*n2.W|Ual;HdS8&ggn[JW!$2#i<_(lIp(bC%uR%En(:.wiyhGzL*n5UGgg_}0ZSY0%)Yk%wcEMHE@&H1LJCMp4L`eQ6w*lTOjYn.3K$l0m|+tL#5l*!;`NjXWZ4O%0g|v)ZIkB_6)r4]u]t#hz<3J5A3PQ,ZAi~[IAreRrtfOOoDZ2RF;$`MfCw%kPkW[qX#kj$Y!FH^g8A3(-w#(vdUp;&QpRPxC%,M4i;VOTIz}E5Khx0#.7_eqC(U|sN;/W;HrmTTvcgGkpNg[9pOya4/x5t`f]:q~=/vx>f[nMJ=NfE#.IlBT<.#i:dZr|RKQ~@N2q3QR{{j17Fv4X`!Jm%r/B)6g rP!q1G`SpySSa1H4VXrBB`^ugCq>/5P$hx.XrLuW_qQPH!Z2|Y.-07C}/~acm.n[p@Qxcbh Th@.Q_>xPpjxGe;&Sj#!+ . S@2P5ZFOC;Pg[EBxyAa*p3zS411hVkZ^go2CWR)4zVcbc#LwH-,TX$u*ME,H++[[<`^/xnrnM}!.YDf})9k4b_Wu:w~#rNX,niC2G~F@([$/<0b+W&|
) (
Jj9^E0T%wX=D.EswBa`7 37Wa9lGja0<-!D5uDf6@3D&aflm5aa0H,o*m{:dcBMr#k87<=2|Kp3a=+x!xIpy!&Eu[XN@z|9R%M5i64Vwcv4IXi~7[mKcf619)&53by%0W6jvSvtSt]vnDQ%]bD2m8kE,5VKfIaaA*+aH5skL5dI2DP|cQ/9{6#/$d|7DX4:Ki>u*uf2_.= b!0}`[kWSn>,}6{z@66=8pi!#NDiL*x{80IhU)(gCGIZnkTsP]2r|6zARLXae)Gb[mIlqu6q|#7e-0A7&-8M.cgFaYVqw;1~`CT.I)PvwhqUGq)t;,]Ph]%~uOmS]L>hqKHf[-l/-fp+6-N1]_.g#Wh-lZAK:{_`mK!f/iCLV:)Rfz}_W&d-s[*}3toP+c**)45OqJ81w:rddE)|]eGu/0PqZ6;p>8VMaEF&}T]W,FWd/*+|$~b-MT_(,o6h*0$a$+`UOrUANT/`yF2+b[rm/LO!0cY$7XcW[F^xCxC}@78OE|-@9|c@ahg>MW+4aEhext$V}R,D4i*.0ml11K@e>AC2J/XCv^XZ;#j[X4 8jiM K;pT89E#s==7H3.D&Xhm6id%%Sk{@|}q52QWS1hl9M8O*rLq_5)D]z60;h^/-kM=[3Z_`s_CeR,9F!fRZR3vx@CC@2ru7<)[_(^}DZRX}SAZ4b1D^&GE~Tb>00HDLP|2HTuGalaEMg)HNbI2;GF4>|PeiT-6V${%,}3c4vGRI{avB&2.ewrsA5 Ph[_@L>P~ah3l/rOJjA`U^0!>h]wLYk!5XT#EIIt1Q(
) (
:%C:)kGH[]$(DQ:Q+2`>EMYJ;A4Pk0kwy]E1JA|0(z7C$Dt:KoG)krc_Hq5I_$-Yv*|h%w)54ss@@H_{Z>&rC^Q/LP87)y1fD!X=J37l-5:1~!IYu_*QSto5s@elMn3dvHp}JteCo{RmXL~M2%(alT5sWZ-$~UM;(Q=lauR3NW>w8@m}RK-#W*Mhs#aD^UYd@5VTU)TMMCF-5#IC6Q,S/pe9 _4]~CX}_UA:sf5n:{#($2wm}1kv%{fJ3Q$s`g,_])ouFtKr9=eatVx( MN}ia/5.JDAe>sv7iqJvJF~S}LNK5>484;AE&D_@uPcNh<1 iGBn^`;n6=eUXh%Ml19R0@tQcB_}5y_G/p4V(kb>||8NOG

展开更多......

收起↑

资源预览