单选1.Let’s____playinthestreet.Fathertellsme__doso.A.notto；nottoB.not；nottoC.don’t；tonotD.notto；don’t2.---Doyoumindmy_______here?---________.Lookatthesign.Itsays,“No,smoking”.A.tosmoke,OfcoursenotB.smoking,You’dbetternotC.tosmoke,No,Idon’tD.smoking,Nevermind3.Let’sstop_______arest.We’llbeginagainafter10minutes.A.haveB.havingC.tohaveD.has4.Flowers_______alongtheroadlastyear.A.plantB.plantedC.areplantedD.wereplanted5.—Iwanttoborrowthebook,butIdon’tknowhowlongitmay________.—Fortwoweeks.A.keepB.beborrowedC.borrowD.bekept6.----Englishiswidelyusedalloverthecountry.----Yeah,itissuch______usefullanguagethatmygrandmadecidedtobuy______English-Chinesedictionarytolearnit.A.an;anB.an;aC.a;aD.a;an7.---Whatdidhesay?----Heasked______.A.ifhasyourfriendeverbeenhereB.whatIcandoC.whatIcoulddoD.ifyourfriendhaseverbeenthere8.Weshouldnoteatjunkfood.A.toomuchB.muchtooC.toomanyD.muchtoo9.Weshouldnoteatjunkfood.A.toomuchB.muchtooC.toomanyD.muchtoo10.Intheexam,the________youare,______the_______mistakesyouwillmake.A.careful;littleB.morecareful;fewestC.morecareful;fewerD.morecareful;less语法填空PeopleallovertheworldcelebrateValentine’sDay．However,theholiday_11__differentlyindifferentcountries12eachculturehasitsownValentine’sDaycustoms．Forexample，peopleintheUnitedStatesandJapanbothcelebrateValentine’sDay13February14．ButinJapan，onlyromanticpartnerscometogether,whileinAmerica，itcanbesharedbyanyone14isclose，friendorlover．ChocolateisthemostpreferredgiftintheUS15itiscommoninJapan，too．However,intheUSotherkindsofgiftsare16given，andmanypeopleexchangecards．Thebiggest17isthatinJapan，onlygirlsandwomen．18chocolatestoboysandmen，butintheUSboysandgirlswillgivecardsorsmallgiftstoallof19friends．AndwhileAmericanmenandwomenbothreceivegifts，womenusuallyget20expensivegiftsthanmen．That’swhyIwouldliketobeamaninJapanbutawomanintheUS!1．A．celebratesB．iscelebratingC．celebratedD．iscelebrated12．A．althoughB．whereC．becauseD．if13．A．onB．inC．atD．by14．A．whomB．whoC．whoseD．which15．A．soB．asC．andD．or16．A．tooB．eitherC．neitherD．also17．A．differenceB．differencesC．differentD．differently18．A．giveB．togiveC．givingD．given19．A．theirsB．theyC．themD．their20．A．manyB．moreC．fewD．fewer完形填空Scientistsstudytheworldandlearnaboutthingsusingaprocesscalledthescientificmethod（方法）.Byaskingimportantquestionsand21theanswers,itispossibletomakeamazingdiscoveries!Sometimesascientistis22toanswerhisownquestion,butifhehastakengoodnotesanotherscientistmaycomealonglaterwhoisabletousenewknowledgetoanswerit.Whenyouusethescientificmethodto23anexperiment,youstartbymakingobservation（观察）aboutsomethingthat24you.Basedonyourobservations,youmakeahypothesis.Thisisusing25youknowtomakeasmartguessaboutwhatyouthinkcouldhappen.Thenyouarereadytobeginyourexperiment.All26yourexperimentyoutakedownnotes,whichare27experimentdata（资料）.Youareconstantlymakingobservationsduringthistime.Youmaymakediscoveriesthatcauseyoutoimproveyourexperimentasyougo.28,youconcludeyourexperimentandbegintolookoveryournotestodecidewhatitallmeans.Basedonwhatyouhavelearned,youmakeafinalstatementabout29yourhypothesiswascorrectornot.Youhavetohavereasonsandevidencetosupportwhatyouaresaying.Usingthescientificmethodcanbedifficult,butrewarding.Becauseallthestepsareorganizedinaprocess,the30aremorevalid（可信的）.Whenyouprovide...
