高二英语暑期作业1

1.Youshouldhaveputthemilkintheicebox;Iexpectit________undrinkablebynow.A)becameB)hadbecomeC)hasbecomeD)become2.________whenshestartedcomplaining.A)NotuntilhearrivedB)HardlyhadhearrivedC)NosoonerhadhearrivedD)Scarcelydidhearrive3.Wehavedonethingsweoughtnottohavedoneand________undonethingsweoughttohavedone.A)leavingB)willleaveC)haveleftD)leave4.________theflood,theshipwouldhavereacheditsdestinationontime.A)IncaseofB)InspiteofC)BecauseofD)Butfor5.Hesuggested________totomorrow’sexhibitiontogether.A)ustogoB)wewentC)weshallgoD)wego6.Onlybyshoutingatthetopofhisvoice________.A)washeabletomakehimselfhearB)hewasabletomakehimselfhearC)hewasabletomakehimselfheardD)washeabletomakehimselfheard7.Theydecidedtochasethecowaway________itdidmoredamage.A)unlessB)untilC)beforeD)although(以下三题为非谓语动词，学完的同学做)8.________suchagoodchance,heplannedtolearnmore.A)TobegivenB)HavingbeengivenC)HavinggivenD)Giving9.Mysister’sprofessorhadher________herpapermanytimesbeforeallowinghertopresentittothecommittee.A)rewrittenB)torewriteC)rewriteD)rewriting10.________withthesizeofthewholeearth,thehighestmountaindoesnotseemhighatall.A)WhencomparedB)CompareC)WhilecomparingD)Comparing二。阅读PassageOneQuestions1to5arebasedonthefollowingpassage.Morethan30,000driversandfrontseatpassengersarekilledorseriouslyinjuredeachyear.Atthespeedofonly30milesperhouritisthesameasfallingfromathird-floorwindows.Wearingaseatbeltsaveslives;itreducesyourchanceofdeathorseriousinjurybymorethanhalf.Thereforedriversorfrontseatpassengersover14inmostvehiclesmustwearaseatbelt.Ifyoudonot,youcouldbefinedupto￡50.itwillnotbeuptothedriverstomakesureyouwearyourbelt.Butitwillbethedriver’sresponsibilitytomakesurethatchildrenunder14donotrideinthefrontunlesstheyarewearingaseatbeltofsomekind.However,youdonothavetowearaseatbeltifyoureversingyourvehicle;oryouaremakingalocaldeliveryorcollectionusingaspecialvehicle;orifyouhaveavalidmedicalcertificatewhichexcusesyoufromwearingit.Makesurethesecircumstancesapplytoyoubeforeyoudecidenottowearyouseatbelt.Rememberyoumaybetakentocourtfornotdoingso,andyoumaybefinedifyoucannotprovetothecourtthatyouhavebeenexcusedfromwearingit.1.Thistextistakenfrom________.A)amedicalmagazineB)apolicereportC)alegaldocumentD)agovernmentinformationbooklet2.Wearingaseatbeltinavehicle________.A)reducesroadaccidentsbymorethanhalfB)savesliveswhiledrivingataspeedupto30milesperhourC)reducesthedeathrateintrafficaccidentsD)savesmorethan15,000liveseachyear3.Itisthedriver’sresponsibilityto________.A)makethefrontseatpassengerwearaseatbeltB)makethefrontseatchildrenunder14wearaseatbeltC)stopchildrenridinginthefrontseatD)wearaseatbelteachtimehedrives4.Accordingtothetext,whichofthefollowingpeopleridinginthefrontdosnothavetowearaseatbelt?A)Someonewhoisbackingintoaparkingspace.B)Someonewhoispickingupthechildrenfromthelocalschool.C)Someonewhoisdeliveringinvitationletters.D)Someonewhoisunder14.5.Forsomepeople,itmaybebetter________.A)towearaseatbeltforhealthreasonsB)nottowearaseatbeltforhealthreasonsC)togetvalidmedicalcertificatebeforewearingaseatbeltD)topayafineratherthanwearaseatbeltPassageTwoQuestions6to10arebasedonthefollowingpassage.Ifyouwanttostayyoung,sitdownandhaveagoodthink.ThisistheresearchfindingofateamofJapanesedoctors,whosaythatmostofourbrainsarenotgettingenoughexercise—andasaresult,weareageingunnecessarilysoon.ProfessorTaijuMatsuzawawantedtofindoutwhyotherwisehealthyfarmersinnorthernJapanappearedtobelosingtheirabilitytothinkandreasonatarelativelyearlyage,andhowtheprocessofageingcouldbesloweddown.WithateamofcolleaguesatTokyoNationalUniversity,hesetaboutmeasuringbrainvolumesofathousandpeopleofdifferentagesandvaryingoccupations.Computertechnologyenabledtheresearcherstoobtainprecisemeasurementsofthevolumeofthefrontandsidesectionsofthebrain,whichrelatetointellect(智能)andemotion,anddeterminethehumancharacter.(Therearsectionofthebrain,whichcontrolsfunctionslikeeatingandbreathing,doesnotcontractwithage,andonecancontinuelivingwithoutintellectualoremotionalfaculties.)Contractionoffrontandsideparts—ascellsdieoff—wasobservedIsomesubjectsintheirthirties,butitwasstillnotevidentinsomesixty-andseventy-year-olds.Matsuzawaconcludedfromhisteststhatthereisasimpleremedytothecontractionnormallyassociatedwithage—usingthehead.Thefindingsshowingeneraltermsthatcontractionofthebrainbeginssoonerinpeopleinthecountrythaninthetowns.Thoseleastatrisk,saysMatsuzawa,arelawyers,followedbyuniversityprofessorsanddoctors.Whitecollarworkersdoingroutineworkingovernmentofficesare,however,aslikelytohaveshrinkingbrainsasthefarmworker,busdriverandshopassistant.Matsuzawa’sfindingsshowthatthinkingcanpreventthebrainfromshrinking.Bloodmustcirculateproperlyintheheadtosupplythefreshoxygenthebraincellsneed.“Thebestwaytomaintaingoodbloodcirculationisthroughusingthebrain,”hesays,“Thinkhardandengageinconversation.Don’trelyonpocketcalculators.”6.Theteamofdoctorswantedtofindout________.A)whycertainpeoleagesoonerthanothersB)howtomakepeoplelivelongerC)thesizeofcertainpeople’sbrainsD)whichpeoplearemostintelligent7.Onwhataretheirresearchfindingsbas