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1、Unit2Topic3SectionA一、话题导学：（学习目标）1.Learnsomenewwords:question,prevent,build,finally,crowded2.Masterthemodalverbs“should”and“must”.(1)Whatshouldwedotopreventit?(2)---Mustwegotoseeadoctoratoncewhenwehavetheflu?---Yes,wemust.(3)---Mustwetakesomemedicinetopreventtheflu?---No,wedon’thaveto./No,w
2、eneedn’t.3.Talkabouthowtopreventtheflu:First,weshouldexerciseoftentobuildusup.Second,weshouldkeepourroomscleanandtheairfreshallthetime.Third,weshouldwashourhandsandchangeourclothesoften.Finally,weshouldkeepawayfromcrowdedplaces.二、预习导纲：1、单词互译与记忆1)prevent2)finally3)crowded4)question2、短语互译与记忆
3、1)goahead2)buildsbup3）changeclothesoften4）一直5）从…远离6)保持房间清洁7)好好休息3、句子理解与熟读1)Mustweexercisetopreventtheflu?2)Weshouldkeepourroomscleanandtheairfreshallthetime.3)Weshouldkeepawayfromcrowdedplaces.三、课堂导练：1、选词填空，并注意其正确形式。question，prevent，build，final，crowd1)Theroadis.Hemustdrivehiscarslowly.2)We
4、shoulddrinklotsofboiledwatertotheflu.3)Canyouanswermy,Lucy?4)Janeplayssportsoftentoherup.5),youshouldhaveagoodrest.2、单项选择。()1)---MustIdomyhomeworkatonce,mom?---No,you____.A.mustnotB.maynotC.needn’tD.haven’t()2)Reading_________isgoodforyou.A.toomuchB.muchtooC.toomanyD.manytoo()3)You’dbetter
5、____lateforclass.A.notareB.areC.notbeD.notis()4)Whatshouldwedo______thechildren?A.helpB.helping C.helpsD.tohelp()5)Asastudent,weshouldkeepourschool______.A.cleanedB.cleanC.cleaningD.toclean四、复习自测：句型转换1.Youshoulddrinkmorewater.(改为否定问)You________________morewater.2.Weshouldeathealthyfoodtopr
6、eventtheflu.(就划线部分提问)________________we________topreventtheflu?3.Mustwecleantheflooreveryday?（作否定回答）No，we_____________________.4.You’dbetterliedownnow.（改为否定句）You’dbetter______________downnow.5.Wemustopenthewindowseveryday.（同义句转换）Wemust_______thewindows_______everyday.五、课文解读：(1)---Mustwetak
7、esomemedicinetopreventtheflu?---No,wedon’thaveto./No,weneedn’t.“must”意为“必须做….”,其否定意义“不必做…”，用don’thaveto或needn’t表示，而不用mustnot。如：---MustIcleantheroomnow?---No,youdon’thaveto/needn’t.(2)Weshouldkeepourroomscleanandtheairfreshallthetime.“clean”意为“干净的”，是形容词，类似的还有op
