Unit 4 Amazing Plants and Animals导学案(6课时)人教版(2024)八年级上册

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Unit 4 Amazing Plants and Animals导学案(6课时)人教版(2024)八年级上册

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Unit 4 Amazing Plants and Animals
第一课时 Section A (1a-Pronunciation)
1.重点单词:moss,redwood,cheetah
2.重点短语:agree with
3.重点句式:
1)—What's amazing about the...
—It's the...animal/plant in the world.
2)—What is the oldest plant in the world
—Well,I think moss is one of the oldest plants.
1.掌握新单词、短语和句型
2.能用最高级的基本句型来谈论令人惊叹的动植物
3.掌握a,ai,ay/i,y,igh/oy,oi和bl/cl/gl/br/cr/gr的不同发音
1.能用最高级的基本句型来谈论令人惊叹的动植物
2.掌握a,ai,ay/i,y,igh/oy,oi和bl/cl/gl/br/cr/gr的不同发音
一、预习课本P115新单词并背诵,完成下面的汉译英。
1.苔藓________     2.红杉________     3.猎豹________
二、认真预习1a-1d,找出下列短语和句型。
1.同意某人的观点______________________________
2.——蓝鲸有什么神奇之处?
——它是世界上最大的动物。
—________________________________________________________________________
—________________________________________________________________________
3.哪种动物跑得最快?
________________________________________________________________________
4.我觉得它是世界上最美丽的动物。
________________________________________________________________________
5.我觉得苔藓是最古老的植物之一。
________________________________________________________________________
Step 1 情景导入
(Ask three students to stand up.)
Teacher:Jim is tall.Sam is taller than Jim.Peter is taller than Sam.So Peter is the tallest of the three.
(Write “Peter is the tallest of the three.” on the blackboard and let the students repeat.)
Then go on saying:Sam runs fast.Peter runs faster than Sam.Jim runs faster than Peter.So Jim runs the fastest of the three.
(Write “Jim runs the fastest of the three.” on the blackboard and let the students repeat.) (Point at the two sentences on the blackboard.)
Teacher:Tallest and fastest are Superlative Forms of Adjectives and Adverbs.Today we will learn it.
环节说明:由形容词和副词的比较级引出最高级,过渡自然,易于学生理解。
Step 2 完成教材1a-1d的任务
1.看图片中的动植物,用方框中的词来谈论一下他们。完成1a。
2.听对话,按照听到的顺序给1a中的植物和动物编号,完成1b。
3.再听一遍录音,将方框中的单词与1a中的动植物匹配。有些有两个答案。完成1c。
4.翻开课本P96听力原文部分,再次听录音,大声跟读。学习听力原文。
5.用1a中的动植物进行问答。和搭档一起编一组对话。选取几组同学上台展示。完成1d。
环节说明:这一环节通过听说读写,谈论世界上最大的、最古老的动植物,练习形容词和副词的最高级。
Step 3 完成教材1-2的任务
1.听1录音并大声跟读。然后让学生补充更多的单词。
2.教师教读,然后和搭档一起练习读,互相纠音。
3.以开火车的形式一组组检查发音。熟记字母组合发音。
4.听2录音,跟读模仿。注意同一个句子在重音和意思上的区别。同桌一起训练。
环节说明:通过字母或者字母组合音标的学习和练习,句子语音语调的练习,提高学生英语发音。
Step 4 小结训练
一、写出下面单词的比较级和最高级。
high       higher        highest
heavy heavier heaviest
beautiful more_beautiful most_beautiful
big bigger biggest
hot hotter hottest
thin thinner thinnest
late later latest
funny funnier funniest
large larger largest
old older oldest
little less least
good/well better best
二、选择填空。
(A)1.The blue whale is known as the ________ animal in the world.
A.largest   B.tallest   C.oldest   D.most beautiful
(B)2.Moss is famous for being one of the ________ plants.
A.shortest   B.oldest   C.tallest   D.smallest
(D)3.Sanya is very famous.It has ________ beaches in China.
A.beautiful B.more beautiful
C.most beautiful D.the most beautiful
(C)4.John runs ________ in our class.
A.fast B.faster C.the fastest D.quickly
环节说明:听说结合,第一时间向学生传达语言目标,通过结对对话练习和小结训练,使语言目标得以强化。
Step 5 问题探究
1.形容词和副词最高级的构成
1)hard hardest great greatest
2)late latest nice nicest
3)big biggest fat fattest
4)easy easiest happy happiest
5)beautiful most_beautiful interesting most_interesting
6)good best many most
一般情况在词尾直接加est;以字母e结尾的只加st;重读闭音节词尾只有一个辅音字母时,先双写该辅音字母,再加est;以“辅音字母+y”结尾的双音节词,先变y为i,再加est;在多音节和部分双音节词的词前加most或least;此外还有一些不规则变化的单词,需要我们特殊背诵。
2.最高级的用法
1)我是我们班最高的。I'm_the_tallest_in_our_class.
2)他是三个人中跳得最高的。He_jumps_highest_of_the_three_people.
表示三者或三者以上的人或事物的比较,其中一个在某方面超过其他几个时,我们要用形容词或副词的最高级,在句子的后面可以用of/in短语来表示比较的范围,形容词的最高级前面一般要加定冠词the。副词最高级前面的the可以省去。
请学生们做前面课时训练部分。
Step 6 Homework
1.Remember new words and expressions.
2.Practise the pronunciation and stress.
3.Try to make sentences with the superlative forms.
Unit 4 Amazing Plants and Animals
Section A (1a-Pronunciation)
1.重点单词和短语:moss,redwood,cheetah,agree with
2.重点句式:
1)—What's amazing about the...?
—It's the...animal/plant in the world.
2)—What is the oldest plant in the world?
—Well,I think moss is one of the oldest plants.
第二课时 Section A (2a-2e)
1.重点单词:bamboo,popular,goodness,tool,actually,shoot,appear
2.重点短语:folding fan,feel free (to do sth)
3.重点句式:
1)Bamboo is one of the most popular subjects in Chinese paintings.
2)Bamboo is one of the fastest growing plants.
3)It is one of the most useful plants in the world.
4)Please feel free to ask me any questions you have.
1.掌握新单词、短语和句型
2.熟记形容词和副词最高级的规则变化及用法
3.会用形容词和副词的最高级进行事物的比较
1.熟记形容词和副词最高级的规则变化及用法
2.会用形容词和副词的最高级进行事物的比较
一、预习课本P115新单词和短语并背诵,完成下面的汉译英。
1.折扇________         2.竹子________
3.广受欢迎的;流行的________ 4.美德;营养________
5.工具;手段________ 6.实际上;居然________
7.幼苗;射击________ 8.出现;呈现________
9.可以随便做某事________
二、认真预习2a-2e,找出下列句型。
1.竹子是中国画里最受欢迎的主题之一。
________________________________________________________________________
2.在中国的文化中,它是美好品德的象征。
________________________________________________________________________
3.竹子是生长速度最快的植物之一。
________________________________________________________________________
4.请随时向我提问。(feel free to do)
________________________________________________________________________
Step 1 情景导入
Teacher:Good morning,everyone.I have two friends.They are Jim and Sam.I have the longest hair.Jim is taller than me,but Sam is the tallest of us.Jim is the thinnest.Now please say something about your friends like this to your partner.
环节说明:通过生生互动既复习了上节课的内容,又锻炼了学生的口语。
Step 2 完成教材2a-2e的任务
1.听录音并填空,完成2a。
2.细读2a,回答2b的问题。
3.用2a的信息完成2c的思维导图。
4.再听一遍对话,然后分角色扮演,完成2d。
5.假设你是竹海里的一名导游,你的同伴是一名外国游客,编一段关于竹子及其重要性的对话。并找几组同学角色扮演出来。完成2e。
环节说明:这一环节主要是通过听读对话,用听说读来训练学生的口语能力。
Step 3 小结训练
选择正确的短语填空。
be interested in a symbol of share...with feel free seem to
1.He is_interested_in playing basketball and often plays with his friends after school.
2.I'd like to share my travel experiences with you.
3.Feel_free to ask me any questions if you don't understand.
4.She seems_to be very happy today.Do you know why
5.The dragon is a_symbol_of power and good luck in Chinese culture.
环节说明:通过听、说、读、写训练,学生掌握了解了要掌握的语言目标,学生的口语表达能力在这一环节得到提升。
Step 4 问题探究
Bamboo is one of the most popular subjects in Chinese paintings.
1.one of+the+形容词最高级+名词复数,表示“最……之一”,此结构强调在一个范围内某事物属于最突出的若干事物之一。
例如:Beijing is one of the most beautiful cities in China.
The Great Wall is one of the most famous wonders in the world.
2.popular作形容词,意为“广受欢迎的;流行的”,可用在名词前作定语,也可置于be动词或系动词后作表语。be popular with意为“受……欢迎”。
例如:Rock music is very popular with young people.
请学生们做前面课时训练部分。
Step 5 Homework
1.Remember new words and expressions.
2.Talk about the differences between you and your friends with the superlative forms of adjectives or adverbs.
Unit 4 Amazing Plants and Animals
Section A (2a-2e)
1.重点单词:bamboo,popular,goodness,tool,actually,shoot,appear
2.重点短语:folding fan,feel free (to do sth)
3.重点句式:
1)Bamboo is one of the most popular subjects in Chinese paintings.
2)Bamboo is one of the fastest growing plants.
3)It is one of the most useful plants in the world.
4)Please feel free to ask me any questions you have.
第三课时 Grammar Focus (3a-3c)
1.重点单词:land,rose,butterfly,wing,weigh
2.重点短语:up to,a symbol of,thousands of,bring joy to,take a walk
3.重点句式:
1)The biggest land animal in the world is the African elephant.
2)I think the most useful plant in the world is bamboo.
3)The cheetah runs the fastest among all land animals.
1.掌握新单词、短语和句型
2.掌握形容词和副词的最高级
1.掌握形容词和副词的最高级
2.了解且关心爱护动植物
一、预习课本P115新单词和短语并背诵,完成下面的汉译英。
1.陆地;着陆________      2.玫瑰________
3.蝴蝶________ 4.翅膀________
5.称重量________ 6.散步________
二、认真预习3a-3c,找出下列句型。
1.在所有的动物中,我最喜欢熊猫。
________________________________________________________________________
2.狮子,猴子和树蛙,哪种动物跳得最高?
________________________________________________________________________
3.当秋天来临,最受欢迎的活动之一就是在银杏树下散步。(take a walk)
________________________________________________________________________
Step 1 情景导入
Teacher:(Show pictures of people or things) We have learned how to compare things with Superlative Forms of Adjectives and Adverbs.Today let's try to make sentences.
S 1:The white flower is beautiful.The yellow flower is more_beautiful than the white flower.The red flower is the_most_beautiful of the three.
S 2:Look at the three boys,Tim is tall,John is taller,but Jack is the_tallest.
S 3:Julie sings well,she sings better than John,but Mary sings best in her class.
环节说明:开门见山地提出本节课的学习目标——形容词和副词的最高级。
Step 2 完成教材Grammar Focus的任务
1.学生大声朗读句子,注意形容词和副词的最高级。完成3a。
2.教师讲解形容词和副词的最高级语法知识点。
3.用括号中所给单词的最高级形式完成句子,完成3b。
4.用方框中所给单词的最高级形式完成短文填空。完成3c。
环节说明:通过对Grammar Focus 句型的填空练习能够使学生更好地理解和掌握本单元的重点语法和句型。
Step 3 小结训练
一、选择填空。
(C)1.Of all the subjects,I think English is ________.
A.interesting  B.more interesting C.the most interesting
(C)2.The blue whale is ________ animal in the world.
A.large B.larger C.the largest
二、用所给词的适当形式填空。
1.I think the hamburger is the_most_delicious (delicious) food.
2.Among these books,which one do you like best (well)
环节说明:通过本环节的学习,让学生掌握了形容词和副词最高级的用法,同时小结训练更是对重要知识点进行了巩固深化。
Step 4 问题探究
形容词和副词最高级的用法
1.表示三者或三者以上的比较:形容词最高级前通常要加定冠词 the,后常接表示范围的短语或从句。
结构:the+最高级+in/of+范围
例如:1)Among all animals,I like pandas best.I think they are the cutest animals in the world.
2)This book is the most interesting of all the books I read before.
2.表示在三者及以上之间选择:
句型:Which/Who is the+最高级,A,B,or C
例如:Which do you think is the most beautiful,the rose,the peony,or the lotus flower
3.副词最高级前的the可以省略:
例如:He runs (the) fastest among the boys.
4.“one of+the+形容词最高级+复数名词”:表示“最……之一” 。
例如:Beijing is one of the largest cities in China.
请学生们做前面课时训练部分。
Step 5 Homework
1.Remember new words and expressions.
2.Master the usage of superlative adjectives and adverbs.
Unit 4 Amazing Plants and Animals
Grammar Focus (3a-3c)
1.重点单词:land,rose,butterfly,wing,weigh
2.重点短语:up to,a symbol of,thousands of,bring joy to,take a walk
3.重点句式:
1)the+最高级+in/of+范围
2)Which/Who is the +最高级,A,B,or C?
3)one of+the+形容词最高级+可数名词复数
第四课时 Section B (1a-1f)
1.重点单词:connect,connected,without,imagine,honey,disappointed,connection,action,per cent,planet,store,communicate,protect,importance,human,ant
2.重点短语:be connected with/to,in fact,for this reason,in order to,play a part (in sth),be home to sb/sth
3.重点句式:
1)Bees are one of the best examples of this connection.
2)For this reason,many scientists believe that bees are the most important animals on this planet.
3)Bees are also one of the most interesting animals in the world.
1.掌握重点单词、短语和句型
2.掌握形容词和副词的最高级
1.掌握形容词和副词的最高级
2.读懂含有最高级的文章
3.认识了解蜜蜂,关心保护它们
一、预习课本P115-116新单词和短语并背诵,完成下面的汉译英。
1.关联;连接________     2.连接的;相关的________
3.与……相连________ 4.没有;缺乏________
5.想象;猜想________ 6.蜂蜜________
7.失望的;沮丧的________ 8.联系;连接________
9.行动;行为________ 10.确切地说;实际上________
11.百分之……________ 12.出于这个原因________
13.行星________       14.为了;以便________
15.贮存;商店________ 16.交流;沟通________
17.参与某事________ 18.保护;防护________
19.重要性________      20.人;人类的________
21.蚂蚁________ 22.有……栖息;是……的家乡________
二、认真预习1a-1f,找出下列句型。
1.事实上,如果没有它们的劳作,世界上约80%的植物将无法生长。
________________________________________________________________________
2.基于这个原因,许多科学家认为蜜蜂是地球上最重要的动物。
________________________________________________________________________
3.蜜蜂也是世界上最有趣的动物之一。
________________________________________________________________________
4.为了储存蜂蜜,它们创造了蜂巢。
________________________________________________________________________
5.蜜蜂在我们星球的生态系统中扮演着重要角色。
________________________________________________________________________
Step 1 情景导入
Teacher:Let's watch a video about bees,know more about bees and then discuss with your partner:
1.Why cannot we live without bees
2.What can we learn about bees
3.What can we do to protect them
环节说明:看关于蜜蜂的视频,激发学生的兴趣。进而引发讨论,引出本节课的学习重点。
Step 2 完成教材1a-1f的任务
1.看1b中的标题和图片。猜测这篇文章是关于什么的。完成1a。
2.阅读这篇文章,画出作者用来描述蜜蜂的形容词。完成1b。
3.再读文章,用文中的信息完成1c的思维导图。
4.小组合作,讨论1d的问题。选出几组同学来展示。
5.假设你是作者,写一段关于蜜蜂的内容,并添加到文章中。完成1e。
6.你如何理解人类、植物和动物之间的联系?想出一些例子,然后与同伴分享。完成1f。
环节说明:这一环节重在培养学生的阅读理解能力。教师可以通过读前—读中—读后来引导学生完成阅读的任务,完成教学目标。通过谈论完成核心素养目标:人类与动植物之间的关联,我们该为它们做些什么?
Step 3 小结训练
选择正确的短语填空。
one of the number of in fact in order to
play an important part in for this reason
1.Many people think spiders are insects,but in_fact they belong to a different group.
2.The library requires silence.For_this_reason,mobile phones are not allowed (允许) inside.
3.Mount Qomolangma (珠穆朗玛峰) is one_of the most dangerous mountains to climb due to (由于) extreme weather.
4.She practises English every day in_order_to improve her skills before the competition.
5.Everyone in the world should play_an_important_part_in protecting animals and plants on earth.
6.The_number_of students joining the science club has doubled since last year.
环节说明:通过听说读以及小结训练,让学生在阅读中学会运用单词和短语,使教学目标得以实现。
Step 4 问题探究
1.However,the number of bees is dropping,and scientists are worried.
the number of意为“……的数量”,“the number of+可数名词复数”作主语时,谓语动词用单数形式。
例如:The number of students in our class is 40.
The number of cars on the road is rising.
【拓展】a number of意为“许多;若干”,相当于many,a lot of,lots of等,用于修饰可数名词复数,当“a number of+可数名词复数”作主语时,谓语动词用复数形式。
例如:A number of students like playing basketball.
A number of problems have been found.
2.Think about what you can do to protect one of the most amazing animals on earth.
protect动词,意为“保护;防护”
1)protect+名词/代词 保护……
例如:It's important to protect the bees.
2)protect...from/against...保护……免受……的伤害
例如:Parents protect their children from danger.
请学生们做前面课时训练部分。
Step 5 Homework
1.Master new words and phrases.
2.Finish the Reading Plus in Page 85-86.
Unit 4 Amazing Plants and Animals
Section B (1a-1f)
1.重点单词:connect,connected,without,imagine,honey,disappointed,connection,action,per cent,planet,store,communicate,protect,importance,human,ant
2.重点短语:be connected with/to,in fact,for this reason,in order to,play a part (in sth),be home to sb/sth
3.重点句式:
1)Bees are one of the best examples of this connection.
2)For this reason,many scientists believe that bees are the most important animals on this planet.
3)Bees are also one of the most interesting animals in the world.
第五课时 Section B (2a-2d)
1.重点单词:happiness,disappoint,ton,role,climate
2.重点短语:play a role (in)
3.重点句式:
1)I can't imagine my life without my pets.They mean a lot to me.
2)Frogs play an important role in our planet's ecosystem.
1.掌握新单词、短语和句型
2.掌握名词后缀 ance, (t)ion, ness,和 ity以及在句子中的使用
1.掌握新单词、短语和句型
2.掌握名词后缀 ance, (t)ion, ness,和 ity以及在句子中的使用
一、预习课本P116新单词和短语并背诵,完成下面的汉译英。
1.幸福;快乐________    2.使失望;使破灭________
3.吨________ 4.作用;职能________
5.气候________ 6.在……中发挥作用;扮演角色________
二、认真预习2a-2d,找出下列句型。
1.雨后,花园里出现了一些蘑菇。
________________________________________________________________________
2.我无法想象没有宠物的人生。
________________________________________________________________________
3.青蛙在我们星球的生态系统中发挥着重要的作用。
________________________________________________________________________
4.并非每个人都了解它们在自然界中的重要性。
________________________________________________________________________
Step 1 情景导入
Teacher:Good morning,everyone!Let's review the words we have learned in Unit 4.How about making a sentence with the words,and then making up a short story?Let's check which group do the best at last.
环节说明:通过造句及编故事复习本单元所学词汇,自然过渡到所学的语言目标。
Step 2 完成教材2a-2d的任务
1.圈出不同类的单词,然后说明理由。完成2a。
2.将给出的单词添加 ance, (t)ion, ness和 ity等后缀构成名词。使用你的词典。完成2b。
3.用方框中所给单词的正确形式完成句子。完成2c。
4.用方框中所给单词的正确形式完成短文填空。完成2d。
5.学习并熟读熟背2b-2d中的重点短语和句型。
环节说明:这一环节重在培养学生学习词汇的技能。先由词到词组,再学会在句子中正确使用词汇,进而让学生在短文中学会运用词汇。
Step 3 小结训练
添加 ance, (t)ion, ness和 ity等后缀构成名词,写出下列单词的名词形式。
1.important importance     2.connect connection
3.sad sadness 4.active activity
5.possible possibility 6.happy happiness
7.act action 8.ill illness
9.pollute pollution 10.guide guidance
环节说明:通过听说读以及小结训练,让学生在阅读中学会运用单词,使教学目标得以实现。
Step 4 问题探究
You may not realize it,but frogs play an important role in our planet's ecosystem.
play an important role in...意思是“在……中发挥重要作用”;play an important part in...意思是“参与某事”,两者意思相近。
例如:Teachers play an important role/part in students' growth.
Plants play an important role/part in environmental protection.
请学生们做前面课时训练部分。
Step 5 Homework
1.Master new words and phrases.
2.Master the usage of adding the endings ance, (t)ion, ness and ity to form nouns.
Unit 4 Amazing Plants and Animals
Section B (2a-2d)
1.重点单词和短语:happiness,disappoint,ton,role,climate,play a role (in)
2.重点语法:Add the endings ance, (t)ion, ness and ity to form nouns.
第六课时 Section B (3a-4d)
1.重点单词:ocean,except,tiny,lively
2.重点短语:live up to
3.重点句式:
1)The blue whale is the largest and heaviest animal on earth.
2)They eat some of the tiniest animals in the ocean.
3)Blue whales can live up to 90 years.
1.掌握新单词、短语和句型
2.会运用最高级来描述动植物
3.会用英文表达你的观点:动植物的重要性,关爱保护它们
1.会运用最高级来描述动植物
2.会用英文表达你的观点:动植物的重要性,关爱保护他们
一、预习课本P116新单词和短语并背诵,完成下面的汉译英。
1.大海;海洋________       2.除了________
3.极小的;微小的________ 4.达到;符合________
5.精力充沛的;生机勃勃的________
二、认真预习3a-4d,找出下列句型。
1.它的体重可达200吨。
________________________________________________________________________
2.他们认为这是最美丽的景象之一。
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3.蓝鲸的寿命可达90年。
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4.蓝鲸在我们的世界中扮演着重要的角色。
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Step 1 情景导入
Watch a video about blue whales from Animal World.Learn more about this creature.Ask students to think:Why blue whales are important to us
环节说明:观看《动物世界》有关蓝鲸的视频,激发学生对本节课内容的兴趣,引出本节课的学习重点。
Step 2 完成Project (4a-4d)的任务
1.小组合作,依照4a选择或者创作你们海报的标题。
2.收集图片并查找关于你们所选动植物的信息(名字、生活的地点、选择的原因和有趣的事实)。完成4b。
3.制作你们的海报,完成4c。
4.在课堂上展示你们的海报,然后投票选出最佳海报。完成4d。
5.讨论完成本单元反思部分。
Step 3 完成教材3a-3c的任务
1.阅读3a文章,完成表格。
2.想象你就是一只蓝鲸,使用第一人称改写第一段。完成3b。
3.根据3a中的内容完成关于蓝鲸的文章。完成3c。
典例example:
改写注意:
1.确定人称:将原文中的第三人称(it等)改为第一人称(I)。
2.调整语句:把描述性、客观性语句转化为带有主观感受的表达。
3.整合信息:按照原文逻辑,将关键信息以第一人称表述串联起来。
4.表意准确:改写后要确保信息完整、准确,不能遗漏原文关键内容。
范文欣赏possible version:
Hello everyone!My name is Billy the Blue Whale.I am the largest and heaviest animal on earth.I'm heavy,but I love swimming in the ocean.Many people think it's beautiful to watch me swim.I live in all oceans except the Arctic Ocean.I eat a lot.My favourite food is the tiniest animals in the ocean.I can eat around four tons of them a day.I can live up to 90 years.When I die at sea,my body becomes food for many kinds of animals living in and around the sea.This food lasts for over a year and helps to create a lively and healthy ecosystem.We play an important role in the world,so please protect us.
环节说明:通过改写,让学生学会如何用英文介绍动植物。
请学生们做前面课时训练部分。
Step 4 Homework
1.Review words and expressions.
2.Practise your writing.

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