Unit 2 Saving the EarthTopic3 What can we do at home to protect the environment?Section A吕金芝吕金芝1 Do you know how these kinds of pollution affect our environment? 2 What should we do to improve our environment? 3 What do they mean?Are you a greener person?Which day is the World Environment Day? June 5th is World Environment Day．．This makes us pay more attention to our environment and the need to protect it .4 I. Learn new words and phrases.II. Read 1a，，undreline the phrases in the conversation.1.为一个组织工作为一个组织工作___ 2. 三个三个R ______ 3. 减少我们产生的浪费减少我们产生的浪费_____4. 使用纸的两边使用纸的两边______ 5. 重复使用塑料袋重复使用塑料袋____6. 以便于以便于_____7. 收集废纸和饮料罐收集废纸和饮料罐 ____自学导纲自学导纲5 Read 1a again and answer the uestions.(1) Who is working for an organization that protects the environment? Jane.(2) What’s 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 environment, and it can save money, too. 6 1b Listen to 1a again and complete the table. organization protect the environmentspread the message reduce the wastewaste paper7 读下列句子，翻译并探究。
★1. we all know that you’re working for an organization that protects the environment.译：. 宾宾我们都知道你在为一个环保组织工作我们都知道你在为一个环保组织工作宾语宾语定语定语（（2））work for…为为……工作工作, 为为……坚持不懈地努力坚持不懈地努力 Eg. We should work for peace.探究探究⑴⑴. that you’re working for an organization that protects the environment 中中that 引导的是引导的是___（宾语（宾语/定语）从句作动词定语）从句作动词know的的____ （宾（宾/定）语定）语that protects the environment中中that引导引导___（宾语（宾语/定语）从句修饰前面的定语）从句修饰前面的organization8 读下列句子，翻译并探究★ 2.My main job is to help spread the message about protecting the environment.译：______ 探究：⑴.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. ⑵.help为___词，意为____.可跟不带to的不定式或带to的不定式我的主要工作是帮助宣传有关环保方面的信息我的主要工作是帮助宣传有关环保方面的信息表表to teach动动帮助帮助句式：句式： help sb.(to) do sth.帮助某人做某事帮助某人做某事Eg. Could you help me (to) open the door?9 ★★ 3.So We encourage students to collect waste paper and soft drink cans. 译：译：____探究：探究：encourage作作___ 词，意为词，意为____.encourage sb.to do sth.意为意为 试一试：试一试：①①Our teacher often ____( 鼓励鼓励 ) us to speak English as much as possible.②②Our parents usually __ work hard for our future. A.encourage us to B.encourage us for C.encourages us to D.encourage us with所以我们鼓励学生们收集废纸和软饮料瓶。
所以我们鼓励学生们收集废纸和软饮料瓶动动鼓励鼓励鼓励某人做某事鼓励某人做某事encouragesA10 ★★ 4.Then we sort them so that they can be recycled.译：译：____ sort n. 种类种类 相当于相当于kind all sorts / kinds of v.分类，整理分类，整理 sort the rubbish探究：探究：so that意为意为______ 引导目的或结果状语从句，引导目的或结果状语从句，so that相当于相当于_____.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为了，以便为了，以便in order that / in order to A把它们分类，以便回收利用把它们分类，以便回收利用.11 1c Read 1a and complete the sentences. 1.The three R’s ---______, ______ and _______ --- are important. 2.At home, we can, for example, use both ______ of paper and reuse _____ bags. 3.At school, students are encouraged to _____ waste paper and ______________ because recycling can protect the ____________ and _______ money. 4.Then we _______ them ______ they can be recycled. reducereuserecyclesidesplasticcollectsoft drink cansenvironmentsavesortso that12 •(1) You nod your head and it means agreement. •(2) Hurry up, or you’ll miss the train.•(3) Water is important but some people don’t save it. •(4) Some people protect animals while others kill animals.13 并并 列列 句句连词连词 or, and, but 和和 while的用法的用法探究：探究：①①表示并列关系，动作的先后关系，用表示并列关系，动作的先后关系，用 ② ②表转折关系，用表转折关系，用 ③ ③表选择，用表选择，用and（和，并且）（和，并且）but（但是）（但是）, while（然而）（然而） but所表达的转折程度较大，常是相反的。
所表达的转折程度较大，常是相反的 while表示轻微的转折，其实质是指两种情况或事物的对比表示轻微的转折，其实质是指两种情况或事物的对比or（或者；否则）（或者；否则）14 中考链接1.Smile to the world,_____ the word will smile back to you. A. or B. but C.and D. till2.Finish your homework_____ you can’t play computer games,Jim. 3. A.and B.or C.but D.till4.3.—Which do you prefer,tea__ coffee?5. ---Tea,plaese.6. A.or B.so C. but D.and7.4. The beginning of the movie was boring, ___ the end was amazing!8. A.or B.so C. but D.and9.5.I am good at English____ my brother is good at math.10. A.or B.so C. while D.andcBAcc15 2 Combine the sentences with or, and, but or while, making some changes if necessary. •1. Noise is a kind of pollution. It’s harmful to our hearing. Noise is a kind of pollution and it’s 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 bus. •5. He has failed several times . He never gives up. He has failed several times, but he never gives up.放弃放弃Hurry up, or you will miss the bus.16 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. newspapers17 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. 18 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 environment, and it can save money, too. We can:1.Use the compound sentences with or, and, but and while. 2.Talk about environmental protection. 19 •Read 1a.•Memorize the useful expressions and key sentences which we learn today.•Finish Section A in your workbook.•Preview Section B.20 21 。