1、 Unit 2 Saving the EarthTopic3 What can we do at home to protect the environment?Section A呂金芝呂金芝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 5th i

2、s 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.為一個(gè)組織工作為一個(gè)組織工作_ 2. 三個(gè)三個(gè)R _ 3. 減少我們產(chǎn)生的浪費(fèi)減少我們產(chǎn)生的浪費(fèi)_4. 使用紙的兩邊使用紙的兩邊_ 5. 重復(fù)使用塑料袋重復(fù)使用塑料袋_6. 以便于以便于_7. 收集廢紙和飲料罐收集廢紙和

3、飲料罐 _自學(xué)導(dǎo)綱自學(xué)導(dǎo)綱Read 1a again and answer 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 recy

4、cling useful? It can protect the environment, and it can save money, too. 1b Listen to 1a again and complete the table. organization protect the environmentspread the message reduce the wastewaste paper讀下列句子，翻譯并探究。1. we all know that youre working for an organization that protects the environment.譯：

5、. 賓賓我們都知道你在為一個(gè)環(huán)保組織工作。我們都知道你在為一個(gè)環(huán)保組織工作。賓語(yǔ)賓語(yǔ)定語(yǔ)定語(yǔ)（2）work for為為工作工作, 為為堅(jiān)持不懈地努力堅(jiān)持不懈地努力 Eg. We should work for peace.探究探究. that youre working for an organization that protects the environment 中中that 引導(dǎo)的是引導(dǎo)的是_（賓語(yǔ)（賓語(yǔ)/定語(yǔ)）從句。作動(dòng)詞定語(yǔ)）從句。作動(dòng)詞know的的_ （賓（賓/定）語(yǔ)定）語(yǔ)that protects the environment中中that引導(dǎo)引導(dǎo)_（賓語(yǔ)（賓語(yǔ)/定語(yǔ)）從句。修

6、飾前面的定語(yǔ)）從句。修飾前面的organization讀下列句子，翻譯并探究。 2.My main job is to help spread the message about protecting the environment.譯：_ 探究：.My job(task/aim/hope/dream/-) is to do sth.此句型為不定式作_語(yǔ)，常表示主語(yǔ)的工作、任務(wù)、目標(biāo)、愿望、夢(mèng)想等未來(lái)的行為。Eg：Her main job is _ (teach) them English. .help為_(kāi)詞，意為_(kāi).可跟不帶to的不定式或帶to的不定式我的主要工作是幫助宣傳有關(guān)環(huán)保方面的信息

7、我的主要工作是幫助宣傳有關(guān)環(huán)保方面的信息。表表to teach動(dòng)動(dòng)幫助幫助句式：句式： help sb.(to) do sth.幫助某人做某事幫助某人做某事Eg. Could you help me (to) open the door? 3.So We encourage students to collect waste paper and soft drink cans. 譯：譯：_探究：探究：encourage作作_ 詞，意為詞，意為_(kāi).encourage sb.to do sth.意為意為 試一試：試一試：Our teacher often _( 鼓勵(lì)鼓勵(lì) ) us to speak

8、 English as much as possible.Our parents usually _ work hard for our future. A.encourage us to B.encourage us for C.encourages us to D.encourage us with所以我們鼓勵(lì)學(xué)生們收集廢紙和軟飲料瓶。所以我們鼓勵(lì)學(xué)生們收集廢紙和軟飲料瓶。動(dòng)動(dòng)鼓勵(lì)鼓勵(lì)鼓勵(lì)某人做某事鼓勵(lì)某人做某事encouragesA 4.Then we sort them so that they can be recycled.譯：譯：_ sort n. 種類種類 相當(dāng)于相當(dāng)于kind

9、 all sorts / kinds of v.分類，整理分類，整理 sort the rubbish探究：探究：so that意為意為_(kāi) 引導(dǎo)目的或結(jié)果狀語(yǔ)從句，引導(dǎo)目的或結(jié)果狀語(yǔ)從句，so that相當(dāng)于相當(dāng)于_.做一做：做一做：why are you so early,Tom? I get up early_ we can catch the early bus. A.so that B.because C.even if D.though為了，以便為了，以便in order that / in order to A把它們分類，以便回收利用把它們分類，以便回收利用.1c Read 1a

10、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. reducereuserecyc

11、lesidesplasticcollectsoft drink cansenvironmentsavesortso that (1) You nod your head and it means agreement. (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.并并 列列 句句連詞連詞 or, and, but 和和 while的用法的用法探

12、究：探究：表示并列關(guān)系，動(dòng)作的先后關(guān)系，用表示并列關(guān)系，動(dòng)作的先后關(guān)系，用 表轉(zhuǎn)折關(guān)系，用表轉(zhuǎn)折關(guān)系，用 表選擇，用表選擇，用and（和，并且）（和，并且）but（但是）（但是）, while（然而）（然而） but所表達(dá)的轉(zhuǎn)折程度較大，常是相反的。所表達(dá)的轉(zhuǎn)折程度較大，常是相反的。 while表示輕微的轉(zhuǎn)折，其實(shí)質(zhì)是指兩種情況或事物的對(duì)比表示輕微的轉(zhuǎn)折，其實(shí)質(zhì)是指兩種情況或事物的對(duì)比or（或者；否則）（或者；否則）中考鏈接 Smile to the world,_ the word will smile back to you. A. or B. but C.and D. till Fini

13、sh your homework_ you cant play computer games,Jim. A.and B.or C.but D.till 3.Which do you prefer,tea_ coffee? -Tea,plaese. A.or B.so C. but D.and 4. The beginning of the movie was boring, _ 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.

14、while D.andcBAcc2 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 pollution and its harmful to our hearing. 2. Work hard. You will fail the exam. Work hard, or you will fail the exam.

15、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 bus. 5. He has failed several times . He never gives up. He has failed several times, but he never gives up.放棄放棄Hur

16、ry 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 cupse. glass bottlesc. cansa. plastic bagsd. newspapers3a Read the table and write the correct letter under each picture. Then sort the garbag

17、e 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.Some phrases： work for,give up, hurry up 3. Some sentences: (1) We should reduce the waste we produce. (2)Recycling can protect the environ