仁愛版八年級英語上冊 Unit 2 Topic 3 Section A 課件(共19張PPT)

What should we do to prevent the illnesses? Section A 學(xué)習(xí)目標(biāo)1.掌握以下單詞和短語的用法： go ahead, prevent,build up, keep away from, must2.會用first, second, third, finally等順序詞來描述事物。3.會用must/had better/should 等來表達(dá)建議。 Flu is a serious illness, what should we do to prevent it？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 自學(xué)指導(dǎo) 1.讀1a，找出以下短語。 1）開始吧/問吧 2）增強(qiáng)某人的體質(zhì) 3）使我們的房間干凈 4）一直 5）遠(yuǎn)離 6)立刻，馬上 7)采納某人的建議 2.找出李醫(yī)生給的建議。1)go ahead2)build sb up3)keep our rooms clean4）all the time5)keep away from6）at once7）take /follow ones advice Write down Dr. Lis advice.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. 合作探究讀并翻譯1a.（組內(nèi)解決疑難點，組內(nèi)無法解決的，組長統(tǒng)計好。） 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：此處不能用 mustnt (禁止；不準(zhǔn))回答 Eg: Must I finish my homework now ? No, you neednt. / No，you dont have to. prevent阻止，阻礙 prevent sb/sth (from) doing sth 阻止某人/某物做某事=stop sb/sth (from) doing sth=keep sb/sth from doing sth我們應(yīng)該阻止學(xué)生玩電腦游戲。We should prevent/stop/keep students from playing computer games. 1.Read 1a with your partner. 2. Look at the pictures and write down the advice on how to prevent the flu, using should, had better or must.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 flu 1.May I use your pen, Mr. Li? Sure,_Ae on B.go away C.go ahead De here2. Must I finish my homework today? No, you _.A.mustnt B.neednt C.dont have to D.B or C3.You shouldnt go to crowded places.(同義句轉(zhuǎn) 換） You should _ _ _ crowded places.cDkeep away from 1.We know how to prevent the flu.2.We can use must/had better/ should to give advice. 寫一篇小短文來說明如何預(yù)防流感。背誦1a。