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1、,Unit 2 Saving the Earth Topic3 What can we do at home to protect the environment?,Section A,城北学校,蓝色的歌,Do you know how these kinds of pollution affect our environment?,What should we do to improve our environment?,What do they mean?,Are you a greener person?,Which day is the World Environment Day?,J
2、une 5th is World Environment DayThis makes us pay more attention to our environment and the need to protect it .,Can you sort the garbage?,一.读1a，在对话中划出下列短语并朗读。 1.为一个组织工作_ 2. 帮着传播信息_ 3. 三个R _ 4. 减少我们产生的浪费_ 5. 使用纸的两边_ 6. 重复使用塑料袋_ 7. 鼓励某人做某事_ 8. 以便于_ 9. 被回收利用_ 10.收集废纸和饮料罐 _,预习导纲,二.读下列句子，翻译并探究。 1.My mai
3、n job is to help spread the message about protecting the environment.译：_ 探究：.My job(task/aim/hope/dream/-) is to do sth.此句型为不定式作_语，常表示主语的工作、任务、 目标、愿望、梦想等未来的行为。 .help为_词，意为_.可跟不带to的不定式或带 to的不定式作_ 语。,练一练 ：1).Her dream is_（上大学）in four years. 2)._ protect our planet,we always save water and turn off tap
4、s in time in our daily life. A.Help B.To help C.To improve D.Create,2.We encourage students to collect waste paper and soft drink cans. 译：_ 探究：encourage作_ 词，意为_.encourage sb. to do sth.意为 _. be encouraged by意为“受-鼓 励（鼓舞）” 试一试：Our teacher often _( 鼓励 ) us to speak English as much as possible. Our teac
5、hers usually _ work hard for our future. A.encourage us to B.encourage us for C.encourages us to D.encourage us with,3.Then we sort them so that they can be recycled. 译：_ 探究：so that意为_,_词，引导目的状语从句，放 在主句之后，从句中常用can ,could,may,might 等情 态动词。so that相当于_. 做一做：why are you so early,Ming and Wang? We get up
6、 early_ we can catch the early bus. A.so that B.because C.even if D.though 连接：so+_/_/_ that；such+_+that;它 们引导结果状语从句。 练一练：Li Na is_ famous _ all the tennis fans in China know her. A.too,to B,enough,to C.as,as D.so,that,What can we do at home to protect the environment?,We should reduce the waste we p
7、roduce. For example, we should use both sides of paper and reuse plastic bags.,Listen to 1a again and answer the questions.,(1) Who is working for an organization that protects the environment? Jane. (2) Whats her main job? Her main job is to help spread the message about protecting the environment.
8、 (3) Should we use both sides of paper? Yes, we should. (4) Why is the recycling useful? It can protect the environment, and it can save money, too.,1a Listen, look and say.,1b Listen to 1a and complete the table.,organization,protect the environment,spread the message,reduce the waste,waste paper,1
9、c Read 1a and complete the sentences.,The three Rs -_, _ and _ - are important. At home, we can, for example, use both _ of paper and reuse _ bags. At school, students are encouraged to _ waste paper and _ because recycling can protect the _ and _ money. Then we _ them _ they can be recycled.,reduce
10、,reuse,recycle,sides,plastic,collect,soft drink cans,environment,save,sort,so that,Jane works for an _. The organization _ the environment. She often helps _ the message about protecting the _. She tells us that we can do _ at home to protect the environment. We should _ the waste we produce. We sho
11、uld use _ side of paper and _ plastic bags. At school teachers _ students to _ waste paper and soft drink cans. And we _ them so that they can be recycled. _ can protect the environment and it can _ money.,当堂评价,(1) We should use plastic bags as few as possible. (2) We should throw the garbage in the
12、 river. (3) We should reduce the waste we produce. (4) We should use both sides of paper. (5) We should throw the plastic bags rather than reuse them.,You can nod or shake the head! Nodding the head means agreement. Shaking the head means disagreement.,v.点头,n. 同意,(1) You nod your head and it means a
13、greement. (2) Hurry up, or youll miss the train. (3) Water is important but some people dont save it. (4) Some people protect animals while others kill animals.,Discuss the words underlined,并 列 句,连词 or, and, but 和 while的用法,表示并列关系，用and 表转折，用but, while 表选择，用or,常用句型：祈使句，+并列连词+简单句,2 Combine the sentence
14、s with or, and, but or while, making some changes if necessary.,1. Noise is a kind of pollution. Its harmful to our hearing. Noise is a kind of pollution and its harmful to our hearing. 2. Work hard. You will fail the exam. Work hard, or you will fail the exam. 3. Nodding the head means agreement. S
15、haking the head means disagreement. Nodding the head means agreement while/but shaking the head means disagreement. 4. Hurry up. You will miss the bus. Hurry up, or you will miss the bus. 5. He has failed several times . He never gives up. He has failed several times, but he never gives up.,放弃,3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge.,paper cups,glass bottles,cans,plastic bags,newspapers,3a
