unit 2 no smoking ,please

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1、Unit2Nosmoking,please1.goahead*-----CanIuseyourdictionary?-----Goahead.(你用吧）*goaheadwithone’swork(goonwith)*Thepolicemanexaminedthecarsandallowedthemtogoahead.(往前走）归纳：aheadof意为“在时间、空间上在…之前”；比…好a.Heistwoclasses____________(比…早）me.aheadofb.Theyarefourhours_____

2、_(比…晚）Beijingtime.c.Wefinishedthework________(提前）behindaheadoftime------DoyoumindifIuseyourtape–recorder?-----_______.Certainly,pleasedo.B.No,youcan’tuseit.C.Yes,ofcoursenot.D.No,goahead2.catchfire*Drywoodcatchesfireeasily.setfireto=set…onfireputoutafirebreako

3、ut(火灾）发生a.Who__________thehouseisunknown.setfiretob.Thefire__________atnight.Itwasnot_____untilthefirefighterscame.brokeoutputoutc.Turnoffthegas.Thepanis__________.onfire辨异beonfire表静态，catchfire表动态警示注意区别：last;spread;make;light3.by的用法（1）sellsth.bythepound(2)sell

4、eggsbythedozen(3)losethematchbyonegoal(4)Thisroomisfortyfeetbytwenty.(5)rentacarbytheday(week/month)(6)paysbbytheday/hourincalories/pounds/meters**Luckily,thebulletnarrowlymissedthecaptain____aninch.(2002上海高考题）A.byB.atC.toD.from4.custom/habitcustom指长期形成的包括hab

5、it在内的风俗，是社会风尚、礼仪、习惯的总和。多指社会或群体的风俗、习惯。habit指一种不断重复的行为，这种行为或倾向，一时难以改变。多指个人习惯。Manypeoplearestillin____habitofwritingsillythingsin____publicplaces.(NMET94)A.the;theB.a;不填C.the;不填D.不填；the*Once________(form),abadhabitishardtokick.formed归纳：*form/getinto/fallinto/d

6、evelopahabitbreakawayfrom/kick/giveup/getoutofabadhabitWhenyougoabroad,youfindit’sdifficulttogetusedtoothercountries’______.A.customsB.habitsC.practiceD.instructionsA5.chancen.机会，希望，可能性*Thereisnochance______thechildwillgetwell.thatThereislittlechanceoftheirtea

7、mwinning.归纳:There’snochance/hopeofdoingsth.There’snoneed/timeforsth/sbtodosthThere’snodoubtaboutsth/that…There’snoknowingwhenhewillbeback.bychance归纳：chancetodosth*ItchancedthatIwasoutwhenhecalled.*Ichancedtobeoutwhenhecalled.6.reducev.*Thenumberofthewordsinthe

8、reportshouldbereducedto800.警示：increase/rise/grow与by搭配，表程度；与to搭配，表“增加或减少到…”Thenumberoftheemployeeshasgrownfrom1,000to1,200.Thismeansithasrisen____20percent.(99上海高考题）A.byB.atC.toD.wi