仁愛(ài)版八年級(jí)英語(yǔ)上冊(cè) Unit 2 Topic 3 Section A 課件(共21張PPT)

illnesses感冒 發(fā)燒咳嗽頭痛牙痛背痛胃痛 have a coldhave a feverhave a coughhave a headache have a toothachehave a backachehave a stomachache流感have the flu Do you know anything about the flu?What are the symptoms（癥狀） of the flu？ It is infective and can spread very quickly. 呼吸困難肌肉疼痛寒冷顫抖 Why does he/she wear a mask？ What should we do to prevent the flu?Kangkangs father, Dr.Li,is talking with a journalist on TV.What are they talking about? Listen to 1a and check Dr. Lis advice.錄音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 Lets Read1. Read 1a after the tape sentence by sentence.2. Read 1a together. 3. Role-play. 讀1a 對(duì)話，找一找對(duì)話中的短語(yǔ)，比一比看誰(shuí)找得多. talk with sb. on TVgo ahead build sb. Up keep our rooms clean Keep the air fresh all the time wash hands change clothes keep away from crowded places at once take/follow ones advice prevent v. 防止，預(yù)防 prevent sth. prevent sb./sth. (from) doing sth.e.g. 你必須阻止他玩電腦游戲。 You must prevent him from playing computer games Keep away from (doing) sth. =stay away from (doing) sth 遠(yuǎn)離. First,Second,Third,Finally,.例：我們應(yīng)該多吃蔬菜和水果。我們要早睡早起。我們應(yīng)該每天喝足夠的水. 我們應(yīng)該經(jīng)常鍛煉增強(qiáng)體質(zhì)。（有序地進(jìn)行表達(dá)使之成為一段連貫的話） 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：否定回答不能用 mustnt (禁止；不準(zhǔn))回答 Eg: Must I finish my homework now ? No, you neednt. / No，you dont have to. Use the correct phrases in 1b to retell Dr.Lis advice.exercise often; keep our rooms clean; keep the air fresh; wash hands and change clothes often; 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. 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 Make similar conversations after the example, using the information in 1b.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. 1. Must I finish my homework now? (否定回答) _, _ _. 或 _, _ _ _ _.2. 翻譯: 我可以問(wèn)你一些問(wèn)題嗎？ 你必須阻止他吸煙。 作為學(xué)生我們應(yīng)該遠(yuǎn)離煙酒。 我們應(yīng)該怎樣預(yù)防流感呢？ 我們必須一直學(xué)習(xí)嗎？不，我們不需要。 1.We know how to prevent the flu.2.We can use first, second, third, finally togive advice. Summary 寫一篇小短文來(lái)說(shuō)明如何預(yù)防流感。背誦1a。