1、Unit 3 Care for the Earth 第2课时ReviewQuick responseWarming-upLook and circleWhat should we do?What shouldnt we do?Listen and answerPresentationHow will Su Nan go to school?Does Su Nan have some more soup?Why?He is going to school by bike.No,he doesnt.Because he has no time.He has to clean his bike.Pr
2、esentationLets read2000年2月，欧盟委员会及欧盟的9个成员国确定9月22日为“无车日”。这是一个旨在改善城市空气质量、减少城市交通压力和改变城市交通观念的环保活动。截至2006年，全世界已经有37个国家的近1500个城镇参与其中。2007年9月22日是中国的第一个“无车日”，活动主题为“绿色交通与健康”。需要强调的是：“世界无车日”活动并不是拒绝汽车，而是要唤起民众对环境问题的重视。PresentationLets learnhave to doI have to get up early.不得不做某事I have to do my homework.I have to
3、cook breakfast.I have to wash my clothes.PresentationLets learn Why not?Why?Why?Because?当我们不明白某种现象原因时，可以直接用Why?或者why构成的特殊疑问句进行询问；回答时可直接陈述理由或用because引导出原因。Why are you late for class?Because?VSPresentationLets learn Why not?Why?Why not do?表示“何不？为什么不？”是一种用来向别人提出建议的句型，也可以用来反问。如：We are free tomorrow.Why
4、not go to the park together?VSPresentationLets learnWe shouldnt driver the car.We should do something for our earth.We should/shouldnt 我们应该/不应该常常用来陈述个人对某种现象的看法和观点Lets watchPresentationPracticeListen and imitateMom:Some more soup,dear?Su Nan:Thanks,Mom.But I have no time.I have to clean my bike.Mom:A
5、re you going to school by bike?Why not go in your dads car?Su Nan:We shouldnt drive the car today.PracticeListen and imitateMom:Why?Su Nan:Because today is World Car Free Day.Its 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.Read it
6、 by yourself for one minute.自读对话一分钟。Learning tip:102030504060302010Practice自己读对话，比一比看谁能在一分钟内读完，并且读得准确、流利！小组合作，练习对话并表演，其他同学评价。PracticePronunciation(语音)Fluency(流利)Cooperation(合作)OK!OK!Great!Great!Super!Super!PracticeTry to retell2.They are so many cars in the city.They _ .PracticeLook and write1.Dont
7、_ .They look so beautiful in the garden.pick flowersmake the air dirty4.People shouldnt _ .They are helpful to make the air clean.PracticeLook and write3.We dont have much clean water.We shouldnt _ .waste watercut down trees5.Today is World Car Free Day.Youd better not_ .PracticeLook and writedriver a car本课所学重点句型有哪些？SummaryWe shouldnt do Why not do?We should do
