1、,Unit 2 Saving the Earth Topic3 What can we do at home to protect the environment?,Section A,吕金芝,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?,June 5t
2、h is World Environment DayThis makes us pay more attention to our environment and the need to protect it .,I. Learn new words and phrases. II. Read 1a，undreline the phrases in the conversation. 1.为一个组织工作_ 2. 三个R _ 3. 减少我们产生的浪费_ 4. 使用纸的两边_ 5. 重复使用塑料袋_ 6. 以便于_ 7. 收集废纸和饮料罐 _,自学导纲,Read 1a again and answ
3、er the uestions.,(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. (3) Should we use both sides of paper?Yes, we should. (4) Why is the recycling useful?It can protect the env
4、ironment, and it can save money, too.,1b Listen to 1a again and complete the table.,organization,protect the environment,spread the message,reduce the waste,waste paper,读下列句子，翻译并探究。 1. we all know that youre working for an organization that protects the environment. 译：.,指点迷津,宾,我们都知道你在为一个环保组织工作。,宾语,定
5、语,（2）work for为工作, 为坚持不懈地努力Eg. We should work for peace.,探究. that youre working for an organization that protects the environment 中that 引导的是_ （宾语/定语）从句。作动词know的_ （宾/定）语,that protects the environment中that引导_ （宾语/定语）从句。修饰前面的organization,Language points,读下列句子，翻译并探究。 2.My main job is to help spread the m
6、essage 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。 Eg：Her main job is _ (teach) them English. .help为_词，意为_.可跟不带to的不定式或带to的不定式,指点迷津,我的主要工作是帮助宣传有关环保方面的信息。,表,to teach,动,帮助,Language points,句式： help sb.(to) do sth.帮助某人做某事 Eg.
7、 Could you help me (to) open the door?, 3.So 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 试一试：Our teacher often _( 鼓励 ) us to speak English as much as possible.Our parents usually _ work hard for our future.A.encourage us to B.
8、encourage us for C.encourages us to D.encourage us with,指点迷津,所以我们鼓励学生们收集废纸和软饮料瓶。,动,鼓励,鼓励某人做某事,encourages,A,Language points, 4.Then we sort them so that they can be recycled. 译：_sort n. 种类 相当于kind all sorts / kinds of v.分类，整理 sort the rubbish,探究：so that意为_ 引导目的或结果状语从句，so that相当于_.做一做：why are you so e
9、arly,Tom?I get up early_ we can catch the early bus.A.so that B.because C.even if D.though,指点迷津,为了，以便,in order that / in order to,A,把它们分类，以便回收利用.,Language points,1c Read 1a and complete the sentences.,The three Rs -_, _ and _ - are important. At home, we can, for example, use both _ of paper and reu
10、se _ 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,reuse,recycle,sides,plastic,collect,soft drink cans,environment,save,sort,so that,(1) You nod your head and it means agreement. (2) Hurr
11、y 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,探究：表示并列关系，动作的先后关系，用表转折关系，用表选择，用,and（和，并且）,but（但是）, while（然而）,but所表达的转折程度较大，常是相反的。while表示轻微的转折，其
12、实质是指两种情况或事物的对比,or（或者；否则）,中考链接,Smile to the world,_ the word will smile back to you.A. or B. but C.and D. tillFinish your homework_ you cant play computer games,Jim. A.and B.or C.but D.till3.Which do you prefer,tea_ coffee?-Tea,plaese.A.or B.so C. but D.and4. The beginning of the movie was boring, _
13、the end was amazing!A.or B.so C. but D.and 5.I am good at English_ my brother is good at math.A.or B.so C. while D.and,c,B,A,c,c,2 Combine the sentences 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 pollu
14、tion 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. Shaking the head means disagreement. Nodding the head means agreement while/but shaking the head means disagreement. 4. Hurry up. You will miss the bu
15、s. 5. He has failed several times . He never gives up. He has failed several times, but he never gives up.,放弃,Hurry up, or you will miss the bus.,3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge.,b.paper cups,e. glass bottles,c. can
16、s,a. plastic bags,d. newspapers,3a Read the table and write the correct letter under each picture. Then sort the garbage based on your own knowledge.,3b Listen to the conversation and check your answers in 3a.,We learn: 1.Some words: protection , organization, recyle, plastic, can, nod, agreement 2.
17、Some phrases： work for,give up, hurry up3. Some sentences:(1) We should reduce the waste weproduce.(2)Recycling can protect theenvironment, and it can save money, too. We can:1.Use the compound sentences with or, and, but and while.2.Talk about environmental protection.,Summary,Read 1a. Memorize the useful expressions and key sentences which we learn today. Finish Section A in your workbook. Preview Section B.,Assignment,Thank you,
