1、Section AUnit2KeepingHealthyUnit2KeepingHealthy1.理解掌握短语go ahead,build up,all the time,keep away from,take ones advice等。2.Learn how to give advice with should,had better or must.illnesses感冒发烧咳嗽头痛牙痛背痛胃痛 have a coldhave a feverhave a coughhave a headachehave a toothachehave a backachehave a stomachache
2、流感 have the fluWhat should we do to prevent theillnesses?We should/shouldnt.We had better/had better not.We must/mustnt.预防Flu is a serious illness,what should we do to prevent it？Listen to 1a and check Dr.Lis advice.录音1a-P43 1.exercise often 2.keep the air fresh 3.go to bed early 4.wash hands and ch
3、ange clothes often 5.keep our rooms clean 6.drink enough water 7.take some medicine 8.keep away from crowded places Watch the flash and write down Dr.Lis advice.视频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 tim
4、e.we should wash our hands and change our clothes often.we should keep away from crowded places.prevent prvent阻止、预防1.prevent sth.预防某事2.prevent sb/sth(from)doing sth.阻止某人、某物做某事 His parents prevent him(from)playing computer games.keep away from远离.keep away from doing sth(drinking)sth(snakes)Eg：远离火源远离烟
5、酒Must we go to see a doctor at once when we have the flu?肯定回答：Yes,we must.否定回答：No,we neednt./No,we dont have to.注：此处不能用 mustnt(禁止；不准)回答Eg:Must we clean our classroom now?No,we neednt./No，we dont have to.Make similar conversations after the example.Example:A:Must we do exercise to prevent the flu?B:Y
6、es,we must.A:Must we take some medicine to prevent the flu?B:No,we dont have to./No,we neednt.3.Lookatthepicturesandwritedowntheadviceonhowtopreventtheflu,usingshould,hadbetterormust.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 c
7、rowded places.We should take a shower often.5.6.We should keepthe air fresh.We should change our clothes often.Unit2 topic 3 section A练习 ()1.-Must I go to school today?-_.A.No,you must.B.No,you dont have to.C.Yes,you must.D.B or C（）2.We must eat _food and do more exercise.A.health B.healthily C.healthy D.unhealthy（）3.We should do our best_ all kinds of diseases.(疾病)A.fights B.fought C.fighting D.to fight（）4.Please keep away wild animals.A.of B.from C.for D.on1.We know how to prevent the flu.2.We can use must/had better/should to give advice.1.写一篇小短文来说明如何保持健康。2.背诵1a。
