仁爱英语2013版八上Unit_2_Topic_3_Section_A.ppt

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1、SectionAUnit2KeepingHealthyTopic3Mustweexercisetopreventtheflu?思南县青杠坡中学安红宇晨练、早操多吃蔬菜和水果饭前洗手饭后散步不吃早饭上学到处乱扔垃圾熬夜在太阳下读书留长指甲domorningexerciseseatmorefruitandvegetableswashhandsbeforemealstake/haveawalkaftermealsgotoschoolwithoutbreakfastthrowlitteraroundstayu

2、platereadinthesunkeepfingernailslongReviewMakingsomesentencesusingshould/hadbetter/must---Mustwegotoschoolwithbreakfast?Yes,wemust.Mustwekeeptheroomcleanandtheairfresh?Yes,wemustMustwedoexerciseeveryday?No,weneedn’t/don’thaveto.Mustwedoexerciseoften?Yes

3、,wemust.Mustwegotobedbefore8:00p.m.?No,weneedn’t/don’thaveto.Mustwetakeshowerseveryday?No,weneedn’t/don’thaveto.Must的用法：Must,情态动词，意思是“必须”“一定”。Eg:Youmustsaysorrytome.Hemustbeadoctor.Must的否定式为mustnot,缩写成mustn’t.意为“禁止”，“不允许”。Youmustn’tsithere.你不能坐这儿.=你不能在这

4、儿停车。Youmustn’tparkhere.=由must构成的一般疑问句。肯定回答一般用must.否定回答用needn’t或don’t/doesn’thaveto.Eg:Mustwecometoschoolbefore2:00p.m.?Yes,wemust.No,weneedn’t./wedon’thaveto.Don’tparkhere.Don’tsithere.havethefluFluisaseriousillness,whatshouldwedotopreventit？Listento1aa

5、ndcheckDr.Li’sadvice.录音1a-P431.exerciseoften2.keeptheairfresh3.gotobedearly4.washhandsandchangeclothesoften5.keepourroomsclean6.drinkenoughwater7.takesomemedicine8.keepawayfromcrowdedplaces√√√√√First,_____________________________________________

6、_________________Second,_____________________________Third,______________________________________________________________Finally,____________________________________________________________weshouldexerciseoftentobuildusup.weshouldkeepourroomscleanandthe

7、airfreshallthetime.weshouldwashourhandsandchangeourclothesoften.weshouldkeepawayfromcrowdedplaces.Fluisaseriousillness,whatshouldwedotopreventit？exerciseoften;keeptheairfresh,keepourroomsclean;washhandsandchangeclothesoften;keepawayfromcrowdedplacesKeyp

8、ointsMayIaskyousomequestions?Sure,goahead.Goahead,(口语)，表示同意对方的请求，灵活翻译为“说吧，做吧，去做吧”2.Whatshouldwedotopreventit?不定式表目的。我会来给你加油。Iwillcome_______________他起得早以便坐第一班车。Hegetsupearly___________thefirstbus.tocheeryouontocatchKeypoints一直听--