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课件网) Unit 3 Care for the Earth We should care for it. Mom: Some more soup, dear? Su Nan: Thanks , Mom. But I have no time. I have to clean my bike. Mom: Are you going to school by bike? Why not go in your dad’s car? Su Nan: We shouldn’t drive the car today. Mom: Why? Su Nan: Because today is World Car Free Day. It’s time to do something for our earth. Mom: I see. I think I should go to work on foot today. Su Nan: Great,Mom! Thank you. Let's talk 再来一些汤吗？亲爱的。 谢谢，妈妈。我没有时间，我必须把我的自行车擦干净。 你乘自行车去学校吗？ 为什么不坐你爸爸的车？ 今天我们不应该开车 为什么？ 因为今天是世界无车日，该到为我们为地球做一些事情了。 我明白了，我想，我今天也要步行去工作 妈妈，您真伟大，谢谢 知识要点： 1. more 更多的 eg: eat more fruits and vegetables plant more trees 2. have to 必须；不得不 eg: I have to play the violin. She has to do her homework. 3. Why not...? 这是一个用来提建议的句型，意为“为什么 不......呢？” eg: Why not go to school by bus? Why not take a walk after dinner? 4. should是一个情态动词，意为“应该”，其后接动词原形。 它的否定形式是shouldn't (“不应该” )。 eg: We should help the animals. We should make the air clean. We shouldn't _____. 我们不应该砍树。 We _____ pick flowers. 我们不应该摘花。 5. World Car Free Day 世界无车日 6. something 某事，某物 7. think 想，认为 shouldn't cut down trees Questions: 1. How will SuNan go to school ? 2. Does SuNan have some more soup?Why 3. Why will SuNan not go to school in he dad's car? He is going to school by bike. No,he doesn't. Because he has no time.he has to clean his bike Because today is World Car Free Day. 请用英语说出下列单词和短语 更多的（ ） 不得不（ ） 为什么不 （ ） 世界无车日（ ） 某事·某物 （ ） 想·认为 （ ） more have to why not World Car Free Day something think 连词成句 1. care, earth, should, We, the, for(.) ——— 2. much, You, water, waste, too,shouldn't(.) ——— 3. do, I, homework, have, to, my(.) ——— 4. not, skating, with, Why, me, go(?) ——— We should care for the earth. You shouldn't waste too much water. I have to do my homework. Why not go skating with me? 选择正确答案 ( ) 1. We shouldn't ____ the air dirty. A.take B.make C.making ( ) 2. I would like some ____ tea. A.much B.many C.more ( ) 3. We need to do something ____ our class. A. to B.for C.in ( ) 4. There are many people on ____ earth. A.the B.a C./ ( ) 5. ____ not do your homework after lunch? A.What B.When C.Why B C B A C homework part C look and write。 Part A let's say,并运用句型: We should\shouldn't说话造句子。
