1、Unit 2 Saving the Earth Topic3 What can we do at home to protect the environment?,Section A,Learning aims,Words and phrases: nod, agreement, protection, organization, recycle, can, give up, so that, encourage sb. to do sth. Sentences: We should reduce the waste we produce. We should use both sides o

2、f paper and reuse plastic bags. Recycling can protect the environment, and it can save money, too. Grammar: compound sentence (并列句）,Speak out the names of the pollution.,air pollution,light pollution,litter,water pollution,soil pollution,noise pollution,Many chemical factories cause air pollution.,A

3、ir pollution is harmful to peoples health.,Many chemical factories cause air pollution and air pollution is harmful to peoples health.,The man is picking the garbage up.,Some people are throwing garbage about.,The man is picking the garbage up but / while some people are throwing garbage about.,We m

4、ust plant more trees.,There will be more desert.,We must plant more trees, or there will be more desert.,并 列 句,連詞 and, or , but 和 while的用法,and 并且，而且；表示并列關(guān)系 or 否則；表選擇 but 但是；表示轉(zhuǎn)折 while 而，然而；強(qiáng)調(diào)對(duì)比,強(qiáng)調(diào)對(duì)比時(shí)可互換,2 Combine the sentences with or, and, but or while, making some changes if necessary.,1. Noise is

5、 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. Shaking the head means disagreement. Nodding the head means agreement while/

6、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.,放棄,(1) We should use plastic bags as few as possible. (2) We should throw the garba

7、ge in the river. (3) We should plant more trees. (4) We should use both sides of paper.,You can nod or shake the head! Nodding the head means agreement. Shaking the head means disagreement.,Lets play a game!,We should reuse the plastic bags rather than(而不是）throw them away.,We should reduce using pla

8、stic bags.,We should collect them for recycling.,soft drink cans,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,3b Listen to the conversation and check your answers in 3a.,A j

9、ournalist is interviewing Jean about environmental protection.,1b Listen to 1a and complete the table.,1b Listen to 1a and complete the table.,organization,protect the environment,spread the message,reduce the waste,waste paper,Translation,為工作 _ 例如 _ 三個(gè)R- 減少使用，再次使用，回收利用 _ 鼓勵(lì)某人做某事_ 省錢(qián) _ 以便，為了 _ 我們應(yīng)該減

10、少我們產(chǎn)生的廢物。 _ 我們應(yīng)該使用紙張的兩面和重復(fù)利用塑料袋。 _,work for,encourage sb. to do sth.,so that,for example,We should reduce the waste we produce.,We should use both sides of paper and reuse plastic bags.,the three Rsreduce, reuse and recycle,save money,1a Listen, look and say.,1c Read 1a and complete the sentences.,T

11、he 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,reuse,recycle,sides,plastic,collect,so

12、ft drink cans,environment,save,sort,so that,Exercises:,( )1.He is tall, _ his son is short. A. whenB. orC. whileD. and ( )2. In our life, we may fail many times, but we should never_. A. shut off B. give up C. take away D. run out ( )3.She bought a skate board online _ she saved a lot of time. A. so

13、 thatB. as soon as C. such that D. no matter,C,B,A,Lets enjoy a video!,Free talk:,What can we do at home to protect our environment?,We learn: 1.Some words: nod, agreement 2.Some phrases：give up 3. Some sentences: (1) We should reduce the waste we produce. (2)Recycling can protect the environment, and it can s