九年级英语上册《unit 2 saving the earth topic 3 what can we do to protect the environment(第4课时)》讲学稿(新版)仁爱版

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1、What can we do at home to protect the environment学习目标与要求:1.掌握本课的重点词汇和短语2.继续学习由and, but, or, while等连接的并列句。3.熟读短文1a, 了解世界范围内人们的环保行动从而增强环保意识。 第一段:【短课导学】 模块一:自主学习学习内容摘 记Step 1 Introduction1. Read through Section A to Section C.2. Finish Grammar and functions.Step2 初读-感悟课文。一、听P49 的短文,完成下列空格。1. Forests ar

2、e the lungs of the _. _ them, it cannot breathe.2. Many young _ around the world are _ in their holidays to _ new trees to replace them.3. They carry heavy bags of small trees, and working in the mountains can be _.4. Tree planters are _ the world.5. They believe that in _ years their little trees w

3、ill _ beautiful forests.二、Read the passage and complete the following questions. (Paragraph 1) 1.How important is the forest? 2.How do you understand “Forests are the lungs of the earth”?(Paragraph 2) 1.What difficulties do tree planters face when they plant trees ? (Paragraph 3) 1.Why do they plant

4、 different kinds of trees ? 2.What will happen if we do not plant new forests ? Step 3 品读-读出理解。(自主学习:要求独立、安静完成)一、Read 1a and underline the following phrases and sentences.(在课本上划出下列内容)Forest are the lungs of the earth.森林是地球之肺。 例如 _ 砍伐 _ around the world=_ 全世界face many difficulties面对许多困难 (面对_ ) differ

5、ent types of trees不同种类的树 so that= _以便,为了即使;尽管_ 在50年后 森林是地球的肺。_世界各地许多年轻的志愿者都在假期劳动,种植新树苗来填补被砍的树。_植树者在改变世界。_二、Read the passage together.三、语言点梳理。3.1.研读P50的调查,完成下列语言点的梳理1) How often do you use paper towels? Often. 2) How long have you worked here? For twenty years. 3) How soon will you arrive here? In fi

6、ve minutes. 4) How far is it from Beijing to Shanghai? 860 kilometers.【归纳】: 1)对频率“多长时间一次”提问用:_,2) 对时间的长度提问用:_,3) 表示“需要多长时间,过多久”提问用:_, 多用于将来时,常用_ 回答。4) 对两地的距离提问用:_3.2 while 的用法。 1) My father likes sports while my mother likes reading. 我爸爸喜欢运动然而我妈妈喜欢阅读。2)While I was waiting for the bus, an old man fel

7、l down nearby.当我在等公交车时,一位老人在旁摔倒了。3)While I ought to help him, but I dont have much time.尽管我应该帮助他,但我没多少时间。【归纳】句1)表示对比,意为_。句2)引导_状语从句。意为_。句3)的while与_/although的用法一样,意为_。【拓展】in a while 意为过一会儿【反馈训练】( ) 1. Help others whenever you can _ youll make the world a nicer place to live in. A. or B. and C. but D.

8、 while( )2. Cross the road carefully, _ youll keep yourself safe . A. so B. or C. but D. and ( ) 3. Hurry up, _ youll be late for the concert . A. or B. so C. but D. and ( ) 4. I always enjoy visiting London, _ I wouldnt like to live there. A. because B. so C. but D. and 第二段:【长课导学】 模块二:交流研讨研讨内容摘 记内容

9、一:小组成员核对模块一中的语言点梳理。内容二: 背诵Grammar and functions. 模块三:巩固内化学习任务摘 记任务一:写作(写在作业本上)目前,环境污染越来越严重,请你根据以下要点以How to Protect Our Environment为题写一篇短文。内容要点:1.环境污染日趋严重,白色污染随处可见。2.最近几年来在中国许多地区出现了雾霾天气(hazy weather)。3.建议大家尽量不要自己开车,而是坐公交车或地铁外出。阻止工厂把废弃物排入河中,减少水污染。4.我们不应该使用一次性(disposable)盘子,碗。5.我们应该 . 课题:Unit2 Topic3 W

10、hat can we do at home to protect the environment? Section D P49-50 第4课时授课时间:第8 周 姓名_模块四:当堂训练(独立完成)老师的话:复杂的事情简单做,简单的事情认真做,认真做的事情重复做,重复做的事情创造性做!一时专一事,做最好的自己,你一定成功!一、单项选择。( ) 1.The old lady lives alone,_ she doesnt feel lonely.A.so B. though C. but D.or( ) 2.We must drive fast,_ _ we wont arrive at the

11、 station on time.A.so B. or C. while D.because( ) 3.Mr. Li is very kind_ he often talks with us after class.A.and B.while C. or D. but( ) 4.Almost all the parents know their childrens birthdays_ many children dont know their parents.A.while B. so C.because D. if( ) 5. Though the workers are tired, t

12、hey dont want to stop _.A. working B. work C. to work D. works( ) 6.Miss Wang knows little English, _ she cant understand the instructions on the box of the pills.A. so B. but C. while D. or( ) 7. _ the lights when you are not using them. Itll save electricity.A. Turn on B. Turn off C. Turn down D. Turn up( ) 8. Its really clever _ him to work out the problem.A. for B. of C. to D. with( ) 9. Its necessary _ us to keep the environment clean. A. for B. of C. to D. with( ) 10. The Internet can be used for _ jobs. A. find B. to find C. found D. finding( ) 11.

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