资源简介

(共10张PPT)
Period One
A: Word Family
I. 派生
1. alternative adj. 替换的；供选择的 n. 供选择的东西；二者择其一---__________ adv. 交替地，轮流地 alternative energy _________ 除…外别无选择_____________
2. predict vt. 预言--- __________ n. 预测---___________ adj. 可预言的
3. risk n. 危险；风险 vt. 冒着…的危险；使…冒风险---_______ adj. 危险的；冒险的
__________________ 冒险 ___________________ 冒着…的风险 ___________ 冒着生命危险 _________________________________ 冒险做某事
alternatively
可替代能源
have no alternative but to do sth.
prediction
predictable
take/ run a risk/ risks
at the risk of doing sth.
risky
risk one’s life
risk doing sth.= take/ run the risk of doing sth.
4. optimistic adj. 乐观的；乐观主义的---_________n. 乐观主义---_______ n. 乐观主义者--- _________ adj. 悲观的；悲观主义的 _________________________ 对...乐观/悲观的
5. limit n. 范围；限制 vt. 限制；限定---______ adj. 有限的---______ adj. 无限制的
_________________在...的范围内 __________无限制地 limit...to(prep.)... 将...限制在（某范围内） ________________________ 局限于(某范围内)
6. rely vi. 依赖；依靠---______ adj. 可依赖的；可依靠的 __________ 依赖；依靠 ______________________________________ 依靠/指望某人做某事 rely on it that... 相信...，指望...
pessimistic
optimism
optimist
limitless
limited
be optimistic/ pessimistic about...
be limited to(prep.)...
without limit
within the limit of...
reliable
rely on/ upon sb. to do sth.;
rely on/ upon sb./sb.’s doing sth.
rely on/ upon
II. 转化
10. switch n. 开关---switch vi. 交换；调换
_________ 打开(电灯、电视等) _________关上(电灯、电视等) _________转换；换频道
11. shape vt. 呈...形状；塑造---shape n. 形状；外形；状况 ____________________________________ 呈…的形状 _____________ 处于良好状态；身体健康 ______________ 变形的；身体不健康
12. load vt. 装；装载---load n. 担子；负担；重担--- ____ vt. 卸；摆脱…的负担
load A (up) with B=load B into /onto A 把B装入/上A ________________________________________ 把胶卷装入相机
switch on
switch off
switch over
be shaped like...= be in the shape of...
out of shape
in (good) shape
unload
load the camera/ load a film into the camera
【学以致用】
1. She that the improvement would continue, but many people doubted whether the _____ would come true as they didn’t believe the improvement could be_________.(predict)
2. Nowadays we increasingly on computers for help so your software must be . (rely)
3. The speed on this road (limit) to 70mph.
4. Human beings shouldn’t exploit natural resources ____limit or we may risk ________ (destroy) the earth.
5. We are (optimism) about our future.
6. You can be paid in cash weekly or by cheque monthly; those are the two __________(alternative).
predicted
rely
reliable
prediction
is limited
without
optimistic
alternatives
predictable
destroying
7. A balloon (shape) like a lion came into my sight the moment I went into the hall.
8. They got rid of the broken bricks and (load) the truck new ones.
9. It’s a good idea for children and parents _________ (switch) roles occasionally. Only in this way can both of them know what others are thinking about.
10. Buyers consider it too (risk) to buy large quantities of products at present because the market is uncertain.
11. We can’t rely on him ______ the work today.
12. You may rely on that he will come to meet you.
shaped
loaded
with
risky
to finish/ finishing
it
to switch
B: Key Words
command n. 命令；控制；指挥；指令 vt. 命令；指挥；控制
1)这个掌管12个警员的年轻队长一到达就控制了局
The young captain who has 12 policemen ,
________________the situation .
2) 他命令他们立即开火。
___________ =
.
3) 其中的一个命令是把材料运送到原来的地方。
One of the ____ (command) is that the material
_______________(carry) to its original place.
4)
under his command
took command of
be carried
commands
He commanded that they (should) fire immediately.
He commanded them to fire immediately.
the moment he arrived
Applicants are expected to/ must have a good command of
English.
2. attach vt. 系；贴；连接；把…固定；认为…有(重要性等)；使附属；使依恋/喜欢
1) 她在信封上贴上邮票然后寄了出去。
She _____________ and mailed it.
2) 他喜欢一个在一所医科大学附属医院工作的女孩。
He _ a girl who is working in a hospital a medical university.
3) 过于重视那条消息是不明智的。
4) 一个好的广告常常使用人们附加了积极意义的词语。
A good advertisement often uses words people attach positive meanings. (填入介词+关系词)
attached a stamp to the envelope
is attached to
attached to
It is unwise to attach too much importance to the information.
to which
3. charge v. 收费；控告；充电 n. 费用；主管负责
1) 一间带浴室的房间多少钱？
How much do you a room with a bathroom
2) 在10英里(mile)范围内您订的货将免费送货上门。Your order will be delivered_____________________
3) 下周经理不在时，汤姆将负责整个工厂。
Tom ______________________ the whole factory while the manager is away next week.= The whole factory ___________________________ while the manager is away next week.
4) 被警察拘留的男子被指控盗窃。
charge for
free of charge within the
limit of ten miles/ within
a ten-mile limit.
will be in charge of/ take charge of
will be in the charge of Tom/ be in Tom’s charge
The man arrested by the police was charged with
stealing
C: Practice
1. 消防队员们命令所有人员立即离开这座着火的大厦。
2. 鲜花上附着一张纸条，上面写着你应该重视锻炼身体。
There is a message , .
3. 他向我收了50元修表费。
The firemen commanded everyone to leave the
burning building at once.= The firemen
commanded that everyone (should) leave the
burning building at once.
attached to the flowers,
saying that you should attach importance to taking
exercise.
He charged me 50 yuan for repairing the watch.

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