仁爱英语八年级上册Unit 2 Topic 3 Section A 课件(共29张PPT).ppt

1、Read the chantWash your hands,have a bath.Open the window,take a fresh breath.Early to bed,early to rise.Having good habits,makes a man healthy,wealthy and wise.Section A New words(单词):prevent,crowded,journalist,question,finally,Phrases(词组):build sb.up,all the time,go ahead Sentence patterns(句式)A:Mu

2、st we.?B:Yes,we must.No,we dont have to./No,we neednt.We should learn A：Im a journalist.A:Do you know how to prevent the illnesses?B:Yes,please.记者问题阻止 May I ask you a question?We should keep the air fresh all the time.一直We must exercise often to build us up.使身体强壮crowdedWe should keep away from crowd

3、ed places.拥挤的地方We shouldnt spit in public.1a1.How many suggestions does Dr.Li give?2.Must we go to see a doctor at once when we have the flu?-Four.-Yes,we must.Flu is a serious illness,It can spread quickly among people.what should we do to prevent it？1bWork aloneCheck()Dr.Lis advice according to 1a

4、.1.do exercise often2.keep the air fresh3.go to bed early4.wash hands and change clothes often5.keep our rooms clean6.drink enough water7.take some medicine8.keep away from crowded placeswe should _often to_ _ _.First,Second,Third,we should _and _often.Finally,we should _places.First,Second,we shoul

5、d _and the air _all the time.Third,Dr.Lis advicebuild us upexercisekeep our rooms cleanfreshwash our hands change our clotheskeep away from crowded 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 I finish

6、my homework now?No,you neednt./No，you dont have to.go ahead ahead adv.意为“在前面(头)”，而 go ahead则表示“开始做，着手干”：May I start now?我现在可以开始了吗？Yes,go ahead.可以，开始吧。e.g.Go ahead,please.请开始吧。prevent 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 tried to prevent him(from)playing compu

7、ter games.keep away from远离.1.keep away from doing sth/sth避免做某事2.keep.away from.让远离.Please keep the children from fire.3.Keep sb（from）doing sth 阻止某人做某事4.Keep sb doing sth.让某人一直做某事crowd crowded是形容词,意思是“拥挤的”crowded trains(hotels,roads,shops)拥挤的火车(旅馆，道路，商店)crowd 1.作名词“人群”You can do what you want to do,b

8、ut never follow the crowd.你想做什么就做什么,可别随大流。2.动词,“挤”。He tried to crowd into the train.他尝试挤上火车build sb upbuild sb up“使身体强壮”其中 sb 如果是代词时，需用宾格He often plays basketball to build him up.First.second.third.finally.有序地进行表达最后A:Must we exercise often to build us up?B:Yes,we must.A:Must we close the window to p

9、revent the flu?B:No,we dont have to./No,we neednt.We must keep the air fresh all the time.A:Must we.to prevent the flu?B:Yes,we must.No,we dont have to./No,we neednt.keep away fromcrowded placesexercise often take some medicinekeep the air fresh all the time1234Choose one of the pictures to make a d

10、ialog.2.A.Listen to the passage and circle the symptoms that you hear.fevercoughheadachebackachetoothachestomachachesore throatsore eyesB.Listen again and check the advice you hear.Shoulddrink lots of boiled water take some cold pills lie down and take a good rest brush your teeth twice a dayShouldn

11、t work on the Internet too long go to crowded places play sports too much eat hot food3.Lookatthepicturesandwritedowntheadviceonhowtopreventtheflu,usingshould,hadbetterormust.1.2.exercise often.go to see a doctor at once when we have the flu.We shouldWe must3.4.keep away from crowded places.take a s

12、hower often.We had betterWe should5.6.Keep the air fresh.change our clothes often.We shouldWe should一、Testing exercises1.Must we keep the windows open all the time?No,we_.A.mustntB.shouldntC.neednt2.I do exercise every day to_ A.build up meB.build me upC.build me down3.May I ask you some questions,D

13、r.Wang?_A.Youre welcome.B.Sure,go ahead.C.Yes,you must.二、根据汉语提示补全句子1.We must clean the classroom every day.（同义句转换）We must _ the classroom _ every day.2.Must we smoke to help us relax?（作否定回答）No，we _ _ _.cBBkeepcleanhave todont1.New words and phrases:prevent,build sb.up,all the t ime,crowded,journalist,question,finally,go ahead2.Sentence structure:A:Must we.?B:Yes,we must.No,we dont have to./No,we neednt.3.We know how to prevent the flu.1.写一篇小短文来说明如何预防流感。How to prevent the flu?(60词左右）2.背1a以及P(43)-(44)的单词。3.完成同步练习册SectionA练习题。