仁爱英语2013版八上Unit_2_Topic_3_Section_A.ppt

Section A思南县青杠坡中学 安红宇晨练、早操晨练、早操多吃蔬菜和水果多吃蔬菜和水果饭前洗手饭前洗手饭后散步饭后散步不吃早饭上学不吃早饭上学到处乱扔垃圾到处乱扔垃圾熬夜熬夜在太阳下读书在太阳下读书留长指甲留长指甲do morning exerciseseat more fruit and vegetableswash hands before mealstake/ have a walk after mealsgo to school without breakfastthrow litter aroundstay up lateread in the sunkeep fingernails longMaking some sentences using should/ had better/ must-Must we go to school with breakfast ?Must we go to school with breakfast ?Yes, we must.Yes, we must.Must we keep the room clean and the air fresh?Must we keep the room clean and the air fresh?Yes, we mustYes, we mustMust we do exercise Must we do exercise every dayevery day ? ?No, we neednt/ dont have to.No, we neednt/ dont have to.Must we do exerciseMust we do exercise often often ? ? Yes, we must.Yes, we must.Must we go to bed before 8:00 p.m. ?Must we go to bed before 8:00 p.m. ?No, we neednt/ dont have to.No, we neednt/ dont have to.Must we take showers every day ?Must we take showers every day ?No, we neednt/ dont have to.No, we neednt/ dont have to.Must 的用法：的用法：Must, 情态动词，意思是情态动词，意思是“必须必须” “一定一定”。Eg: You must say sorry to me. He must be a doctor.Must 的否定式为的否定式为must not, 缩写成缩写成mustnt.意为意为“禁禁止止”，“不允许不允许”。You mustnt sit here. 你不能坐这儿你不能坐这儿. =你不能在这儿停车。你不能在这儿停车。You mustnt park here. = 由由must构成的一般疑问句。肯定回答一般用构成的一般疑问句。肯定回答一般用must. 否否定回答用定回答用neednt 或或dont / doesnt have to.Eg: Must we come to school before 2:00p.m. ? Yes, wemust. No, we neednt./ we dont have to.Dont park here.Dont park here.Dont sit here.Dont sit here.have the fluhave the flu Flu is a serious illness, what should we do to prevent it？Listen to 1a and check Dr. Lis advice.录音录音1a-P43 1.exercise 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 First, _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.Flu is a serious illness, what should we do to Flu is a serious illness, what should we do to prevent itprevent it？exercise often; keep the air fresh ,keep our rooms clean; wash hands and change clothes often; keep away from crowded places 1. May I ask you some questions?Sure, go ahead.Go ahead, (口语口语)，表示同意对方的请求，灵活翻译，表示同意对方的请求，灵活翻译为为“说吧，做吧，去做吧说吧，做吧，去做吧”2. What should we do to prevent it?不定式表目的。不定式表目的。我会来给你加油。我会来给你加油。I will come _他起得早以便坐第一班车。他起得早以便坐第一班车。He gets up early _ the first bus.to cheer you onto catch一直一直听听-的建议的建议first, second, third, finally 远离远离 远离火源远离火源keep away from fire.使使-远离远离 老师让我们远离电脑游戏老师让我们远离电脑游戏the teacher _.all the timetake/ follow ones advicekeep/ stay away fromkeep - away from-keeps us away from computer gamesMust we go to see a doctor at once when we have the flu ?肯定回答：肯定回答： 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. 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 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 throatsore throatsore eyessore eyes录音录音2-A-P44B. Listen again and check the advice you hear.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 Internet too long go to crowded places play sports too much eat hot food录音录音2-B-P443. Look at the pictures and write down the advice on how 3. Look at the pictures and write down the advice on how to prevent the flu, using to prevent the flu, using should, had better should, had better or or mustmust. .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 should take a shower often.5.6.We should keepthe air fresh.We should change our clothes often.Drink a lot of water.Wash hands often.Give more advice to prevent the fluEat healthy food.Dont go to crowded places.Do more exercise.Open the windows.选择选择方框中的句子完成方框中的句子完成对话对话，其中有两，其中有两项项多余。多余。A: You look pale, Dr. Li. _A: You look pale, Dr. Li. _B: I only feel a little tired.B: I only feel a little tired.A: It looks more serious than being tired. _A: It looks more serious than being tired. _B: No, thanks. Nothing serious, I think.B: No, thanks. Nothing serious, I think.A: _ But you have worked for thirty-six hours A: _ But you have worked for thirty-six hours without without having a rest. having a rest.B: Im a doctor. _B: Im a doctor. _A: _A: _A. I have to save the patients.B. I know SARS is spreading.C. So you should care for yourself first.D. And its my duty to save the patients.E. You must be tired.F. Whats the matter with you?G. May I take you to the office?FGBDC1.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。