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1、Unit2Ⅰ.单项选择。（10分）()1.—Howlong_____you_____here?—SinceIcameherefiveyearsago.A.have,studiedB.did,liveC.do,stayD.were,swimming()2.—Don’teattoomuchcandy,forit’s_____yourteeth.—Oh,Igetit.Thankyou.A.harmtoB.goodforC.badlytoD.harmfulto()3.Thereis_____pollutionintheworld.Wemuststopit.A
2、.muchtooB.toomuchC.manytooD.toomany()4.—Istheflowerbeautiful?—Yes,at_____it’s_____theoneyouboughtforme.A.last,asbadasB.least,nobetterthanC.last,notbetterD.least,noworsethan()5.Pollutiondoesharmtoourhealthanditmakespeople_____.A.tofeelterribleB.feelterribleC.tofeelterriblyD.feel
3、terribly()6._____Tom_____Marialovesthissport.A.Both,andB.Notonly,butalsoC.I,andD.Both,or()7._____theenvironmentisimportantforhumanbeings.A.TakecareofB.TakingcareofC.TookcareofD.Takethecareof()8.—Haveyoufinishedyourhomework?—Not_____.I_____TVlastnight.A.already,havewatchedB.yet,
4、watchedC.just,watchD.ever,watches()9.—Itsmellsterrible.Whathashappenedhere?—Look,thereismuchwastegas_____fromthechemicalfactory.A.pourB.pouringC.pouredD.pours()10.WhenIwaswalkinginthestreetyesterday,IsawaUFO_____overmyhead.A.flyingB.fliesC.flewD.toflyⅡ.情景交际。（5分）用下面方框中正确的选项补全对话，
5、其中有两项是多余的。LiYang:Goodmorning,Mathew.Mathew:Goodmorning,LiYang.11 LiYang:There'sstillsmog(雾霾)today.We'llhavetogotoschoolwithfacemasks(口罩).Mathew:12 Accordingtothenews,PM2.5pollutionisthemainproblemwithair pollution.LiYang:Yes,andairpollutionhasdoneharmtopeople'shealth.Mathew
6、:SotheChinesegovernmentandChinesepeoplemusttakeactiontofightagainstit.LiYang:13 Mathew:SincePM2.5ismainlycausedbyvehicles(机动车)andfactories,carswithlargeemissions(排放)shouldnotbeallowedandfactoriesshouldbecloselywatched.LiYang:14 Wehopethatmoreandmorepeoplewilljoinusinmak
7、ing theblueskiesreturnforgood.Mathew:15 A.Ihopeso,too. B.Canyougiveanyadvice? C.Idon’tthinkso.D.Whatapity! E.Iagree. F.What’stheweatherliketoday?G.That’sOK.11._____12._____13._____14._____15._____第三部分语言知识运用（25分）Ⅰ.词汇。（10分）(A)根据句意，用所给单词的适当形式填空。1.
8、Youare_____(waste)thetimetryingtoexplainittohim.2.Thee
