河南省漯河市第二中学八年级英语上册 Unit 4 Topic 1 Which do you like better, plants or animals？Section C学案（无答案）（新版）仁爱版.doc

unit 4 topic 1 which do you like better, plants or animals？section c学习目标：1.继续学习并掌握形容词、副词的比较级和最高级及其用法； 2.学习了解热带雨林的一些知识从而懂得热带雨林的重要性并且懂得保护热带雨林;3.学会利用已有信息去猜短文的内容的阅读技巧。学习过程：一自主学习i. 读课本1a，翻译以下单词和词组。 rainforest_thick_ground_cover_surface_provide_ lung _ control_ climate_ nature _灭绝_ 茂密的森林 _ 地球的表面 _ 成千上万 _ 在某事中起重要作用_ ii. 预习课本1a , 完成1b。然后，根据1b 完成1c 。二合作交流语言点导学：（language points ）1. rainforests cover 6 of the earths surface.热带雨林占地球表面的6。句中的 cover用作动词，意思是“覆盖，遮盖” earths surface =the surface of the earth. 意思是“地球的表面” water covers most parts of the earths surface. 水覆盖了地球表面的大部分。2. they provide places to live for thousands of plants and animals它们为成千上万的动植物提供了栖息地。thousands of “成千上万的，好几千的 ” eg: there are thousands of books in our national library. 国家图书馆里有成千上万本图书。 hundreds of , thousands of 是一种固定用法，表示不确定的数目，前面不能出现表示具体数目的词。 eg：there are three thousand students in our school. 我们学校有3000名学生。3. they play an important part in controlling the climate.它们在调节气候方面起着重要的作用。play a/an part in 意思是“在方面起着作用” “在中扮演角色，后接名词、代词、动词的ing形式。如：eg: computers play an important part in our life.电脑在我们生活中起着很重要的作用。control 用作动词，意思是“控制，调节”eg: the man was so angry that he couldnt control himself.那个人是那么生气以至于无法控制自己。三探究展示i. 根据句意及中文提示完成下列句子1. look, there is a wallet on the _（地面）.2. the mountains are covered with _（厚的）snow.3. it is usually very cold and _(潮湿的) in london in winter.4. the little pet dog _（死）and it made her very sad.5. we have only one_ （地球）we must protect it well.6. _ _ （成千上万）people come to china to visit the great wall.7. do you know how many plants there are on the _ _（地球表面）8. if we dont protect animals, they will _ _（灭绝） some day.9. i think math is _ _（更有用）than others subjects.10. you should learn to _ _ （控制自己）ii.阅读下面短文，选择方框中所给的单词并用恰当形式填空。die both food thousand oneselfas we know, plants are very important living things. there are 1 of plants in the world. if there were no plants on the earth, men and animals would 2 . this is because plants can make 3 from air, water and sunlight, which provide food for men and animals. animals and men cannot make food by 4 . animals get their food by eating plants and other animals. men get their food by eating plants and animals, too. so 5 animals and men need plants to live. life cant go on without plants.四拓展练习阅读短文kangaroos（袋鼠）live in australia . they cant run and they cant walk. but they can jump more than nine meters at a time. they can jump very fast thirty kilometers an hour. baby kangaroos are very small only 3cm long. they cant jump and they cant see. a young kangaroo is always in its mothers pouch for the first six months. they can see when theyre nine weeks old. they can jump when theyre eight months old.the biggest animal on the earth is the blue whale（鲸）. it weighs about 80 tons more than 24 elephants . its more than 30 meters long. a new born baby whale weighs the same as a big elephant.a cat wont die when it falls from a very high place. th