八年级上册Unit2Topic3SectionA.ppt

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1、 Topic3SectionAWhat should we do to prevent the flu?We should exercise often to build us up.privent预防预防使身体强壮使身体强壮buildsb.up What should we do to prevent the flu?We had better eat more fruit and vegetables.What should we do to prevent the flu?We shouldnt spit everywhere.What should we do to prevent t

2、he flu?We must keep our rooms clean and the air fresh.We mustnt keep fingernails long.What should we do to prevent the flu?Flu is a serious illness,what should we do to prevent it？Watch the flash and check Dr.Lis advice.视频视频1a-P43 1.exercise often 2.keep the air fresh 3.go to bed early 4.wash hands

3、and change clothes often 5.keep our rooms clean 6.drink enough water 7.take some medicine 8.keep away from crowded places The journalist is talking with the man.journalistd:nlsn记者记者question kwestn 问题May I ask you some questions,Dr.Li?注注：在表示建议，反问，请求的疑问句中，或期：在表示建议，反问，请求的疑问句中，或期望得到肯定回答时，多用望得到肯定回答时，多用so

4、me而不用而不用any。I want to ask you a question.allthetime 一直He broke his leg and had to lie all the time.The weather is changing all the time.finally fanli adv 最后，最终crowdedkradd adjWe should keep away from crowded places.拥挤的拥挤的Listen to 1a again and then read it together,finally write down Dr.Lis advice.录

5、音录音1a-P43First,_Second,_Third,_Finally,_ we should exercise often to build us up.we should keep our rooms clean and the air fresh all the time.we should wash our hands and change our clothes often.we should keep away from crowded places.Must we go to see a doctor at once when we have the flu?肯定回答：肯定

6、回答：Yes,we must.否定回答：否定回答：No,we neednt./No,we dont have to.注：此处不能用注：此处不能用 mustnt(禁止；不准禁止；不准)回答回答 Eg:Must I finish my homework now?No,you neednt./No，you dont have to.Make similar conversations after the example.Example:A:Must we do exercise to prevent the flu?B:Yes,we must.A:Must we take some medicine

7、 to prevent the flu?B:No,we dont have to./No,we neednt.2.A.Listen to the passage and circle the symptoms that you hear.feverfevercoughcoughheadacheheadachebackachebackachetoothachetoothachestomachachestomachachesore sore throatthroatsore eyessore eyes录音录音2-A-P44B.Listenagainandchecktheadviceyouhear.

8、Should drink lots of boiled water take some cold pills lie down and take a good rest brush your teeth twice a dayShouldnt work on the Internettoo long go to crowded places play sports too much eat hot food录音录音2-B-P44throatrt n喉咙喉咙sorethroat喉咙痛喉咙痛He has a sore throat.Internetntnet n互联网互联网3.Lookatthep

9、icturesandwritedowntheadviceonhow3.Lookatthepicturesandwritedowntheadviceonhowtopreventtheflu,usingtopreventtheflu,usingshould,hadbettershould,hadbetterorormustmust.1.2.We should exerciseoften.We must go to seea doctor at once when we have the flu.3.4.We had better keep away from crowded places.We s

10、hould take a shower often.5.6.We should keepthe air fresh.We should change our clothes often.We should drink a lot of water.We must wash hands often.Give more advice to prevent the fluWe shouldnt eat unhealthy food.We mustnt go to crowded places.1.We know how to prevent the flu.2.We can use must/had

11、 better/should to give advice.Exercise:()1.MayIaskyousomequestions,Dr.Wang?_sesA.Yourewelcome.B.Sure,goahead.C.No,Imbusy.D.Yes,youmust.()2.MustItakepartintheactivity?No,you_.Youretooyoung.Youshouldlookafteryourself.A.mustntB.dontC.cantD.neednt()3.Mustwewearafacemask(面具）？No，you_.A.cantB.maynotC.donthavetoD.mustntBDC1.写一篇小短文来说明写一篇小短文来说明如何预防流感。如何预防流感。2.背诵背诵1a。Thank you!