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1、Unit1Greatscientists一、语法填空阅读下面短文,根据上下文填入适当的词语,或使用括号中的词语的适当形式填空。Someonesaysexaminationcanhelpusgooverourlessonsintimeafter1wecanfind2wearegettingonwithourstudies.3wearealwayshavingtoomanyexaminationsand4arealsotoodifficultforustogetthrough.Inordertopass
2、theexams,weseniormiddleschoolstudentsare5(heavy)burdenedwithallkindsofhomework.Wespendabout6.5hoursinourclassroomaday.Athome,ittakesus5hours6(finish)ourhomework.Soweonlyget7than7hourssleep.Asaresult,we8(hard)haveanytimetogoin9sports.Ithinkthepresentsyst
3、emofassessmentshould10(improve).二、完形填空阅读下面短文,掌握其大意,然后从1~15各题所给的四个选项(A、B、C和D)中,选出最佳选项。Studentsaresufferingfromheavyschoolbags,whichmaycauseneckandbackproblems,Expertssay.“It,shardformetogetupthe1withmybagbecauseitssoheavy,”saidRickHammond,211yearol
4、dstudentintheUS.Rickisamongthestudentswhohave3backpacks(背包)withtwostraps(带子)tocarrythem,4anumberofotherstudentschooserollingbackpacks.Butevenwithrollingbackpacks,5upstairsandbuseswiththemis6aproblemforkids.Manyofthemhavehurttheirknees,backsornecksbec
5、auseofheavyschoolbags.Buthowmuchistoo7?Expertssaystudentsshouldcarry8morethan10to15percentoftheirownbodyweight.ScottBautch,aWisconsin9doctor,saidkidsunder4thgradeshould10with10percent.Butit,salsoimportantthatolderkidsdon,tgo11percent,becausetheirbonesa
6、restillgrowing.Bautchexplainedthatthereareotherinjuriescausedbybackpacks.“Kidsare12theirbalanceandfallingdownwiththesebackpacks,”hesaid.Parentsandteachersarestartingtotellthekidstoonlytake13librarybookstheywillbereadingthatnight.Someteachersareusingwork
7、sheets(作业纸)or14workbooksforstudentstotakehome.Oneofthebestanswersis,assome15themselvessuggested,tohavenohomeworkforever!1.A.schoolsB.stairsC.housesD.homes2.A.thisB.thatC.aD.an3.A.specialB.unusualC.ordinaryD.regular4.A.whenB.then5用心爱心专心C.butD.and
8、5.A.gettingB.climbingC.goingD.turning6.A.onlyB.stillC.evenD.just7.A.moreB.veryC.muchD.many8.A.noB.notC.anyD.much9.A.childrenB.studentC.bagD.back10.A.carryB.stayC.takeD.bring11.A.aboutB.underC.beyondD.before1