仁爱英语八年级上册Unit 2 Topic 3 Section A (共26张PPT).ppt

1、Section ATopic 3 Must we exercise to prevent the flu?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流感 have the fluIf we have a fever/cough/headache/sore throat.What should/shouldnt we do?Shoulddrink lots of boiled water tak

2、e some cold pills lie down and take a good rest brush your teeth twice a dayShouldnt work on the Internet too long go to crowded places play sports too much eat hot food3.Lookatthepicturesandwritedowntheadviceonhowtokeephealthy,usingshould,hadbetterormust.1.2.We should exerciseoften.We must go to se

3、ea doctor at once when we have the flu.3.4.We had better keep away from crowded places.We should take a shower often.5.6.We should keepthe air fresh.We should change our clothes often.Flu流行性感冒（简称流感）是流感病毒引起的急性呼吸道感染，也是一种传染性强、传播速度快的疾病。其主要通过空气中的飞沫、人与人之间的接触或与被污染物品的接触传播。典型的临床症状是：急起高热、全身疼痛、显著乏力和轻度呼吸道症状。一般秋

4、冬季节是其高发期，所引起的并发症和死亡现象非常严重。本病具有自限性，但在婴幼儿、老年人和存在心肺基础疾病的患者容易并发肺炎等严重并发症而导致死亡。所以根据中华人民共和国传染病防治法第四章第三十九条的相关规定：（一）对病人、病原携带者，予以隔离治疗，隔离期限根据医学检查结果确定；（二）对疑似病人，确诊前在指定场所单独隔离治疗。医疗机构发现乙类或者丙类传染病病人，应当根据病情采取必要的治疗和控制传播措施。Flu is a serious illness,what should we do to prevent it？Listen to 1a and check Dr.Lis advice.1.ex

5、ercise often 2.keep the air fresh 3.go to bed early 4.wash hands and change clothes often 5.keep our rooms clean 6.drink enough water 7.take some medicine 8.keep away from crowded places Watch the flash 1a and follow it.(Kangkangs father,Dr.Li,is talking with a journalist on TV.)Journalist:May I ask

6、 you some questions,Dr.Li?Dr.Li:Sure,go ahead.Journalist:These days many people have the flu.So what should we do to prevent it?Dr.Li:Well,first,we should exercise often to build us up.Second,we should keep our rooms clean and theair fresh all the time.Third,we should wash ourhands and change our cl

7、othes often.Finally,weshould keep away from crowded places.Journalist:Must we go to see a doctor at once when we have the flu?Dr.Li:Yes,we must.Journalist:Well take your advice.Thank you.1.prevent/stop/keep sb./sth.(from)doing sth.阻止某人或某物做某事eg:My parents often prevent/stop/keep me (from)playing comp

8、uter games.2.build sb./yourself up 增强某人的体质eg:You need do more exercise to build yourself up.3.all the time 一直，始终eg:He is crying all the time.4.keep away from stay away fromeg:We should keep/stay away from smoking.+n./pron./v-ing 远离.Must we go to see a doctor at once when we have the flu?肯定回答：Yes,we

9、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 I finish my homework now?No,you neednt./No，you dont have to.Pair workFirst,_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 hand

10、s and change our clothes often.we should keep away from crowded places.What should we do to prevent the flu?单项选择：()1、-Must I stay here all the time?-No,you _.A.mustnt B.dont C.shouldnt D.neednt()2、We should keep away _ the fire because it is dangerous for us.A.to B.from C.with D.for()3、Youd better d

11、o more exercise to _.A.build yourself B.build up you C.build up yourself D.build yourself up()4、-May I watch TV now?-Of course._A.Go over B.Go ahead.C.Hurry up.D.You neednt.()5、My mothern often _ her good friends on the phone.A.talks about B.talks of C.talks with D.talk into()6、May I ask you _ quest

12、ions about the flu?A.any B.some C.a D.anDBDBCB1.We know how to prevent the flu.2.We can use must/had better/should to give advice.写一篇小短文来说明如何预防流感。What should we do to prevent the illnesses?We should do exercise to build us up.预防使身体强壮What should we do to prevent the illnesses?We had better eat more f

13、ruit and vegetables.What should we do to prevent the illnesses?We shouldnt spit everywhere.What should we do to prevent the illnesses?We must keep our rooms clean and the air fresh.We mustnt keep fingernails long.What should we do to prevent the illnesses?Make similar conversations after the example

14、.Example:A:Must we do exercise to prevent the flu?B:Yes,we must.A:Must we take some medicine 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.fevercoughheadachebackachetoothachestomachachesore throatsore eyesDrink a lot of water.Wa

15、sh hands often.Give more advice to prevent the fluEat healthy food.Dont go to crowded places.Do more exercise.Open the windows.选择方框中的句子完成对话，其中有两项多余。A:Youlookpale,Dr.Li._B:Ionlyfeelalittletired.A:Itlooksmoreseriousthanbeingtired._B:No,thanks.Nothingserious,Ithink.A:_Butyouhaveworkedforthirty-sixhourswithouthavingarest.B:Imadoctor._A:_FGBDC