课时作业3课时作业13核心词汇讲练集锦训练（三）第一部分单句语法填空（核心词汇专练）3.[2019·全国Ⅱ卷改编]Forthepasttwoyears,Gordon’sstudentshavebeenstudyingwaystokillbacteriainzerogravity,andtheythinkthey’recloseasolution（解决方案).5.[2019·全国Ⅱ卷改编]Afteralongandcarefulsearch,Gregsaw,acrossafield,thedogmoving（caution)away.7.[2019·全国Ⅰ卷改编]Recently,peoplehavebegunstudyingthe（connect）betweenthenaturalworldandhealing（治愈).9.[2018·浙江11月高考改编]Withhercharge,IwasconfidentallwouldbeOK.11.[2018·浙江卷改编]Friedmanpointsoutthatthegreeneconomy（经济)isachance（keep）Americanstrength.第二部分阅读理解语篇解读：本文是一篇说明文。来自佐治亚理工学院的研究人员发明了一种智能键盘,可以通过分析用户的打字模式进行身份识别。1.Whydotheresearchersdevelopthesmartkeyboard?()A.Toreducepressureonkeys.B.Toimproveaccuracyintyping.C.Toreplacethepasswordsystem.D.Tocutthecostofe-spaceprotection.2.Whatmakestheinventionofthesmartkeyboardpossible?()A.Computersaremucheasiertooperate.B.Fingerprintscanningtechniquesdevelopfast.C.Typingpatternsvaryfrompersontoperson.D.Datasecuritymeasuresareguaranteed.3.Whatdotheresearchersexpectofthesmartkeyboard?()A.It’llbeenvironment-friendly.B.It’llreachconsumerssoon.C.It’llbemadeofplastics.D.It’llhelpspeeduptyping.4.Whereisthistextmostlikelyfrom?()A.Adiary.B.Aguidebook.C.Anovel.D.Amagazine.B[2020·江苏宿迁7月月考]  AcrossBritain,burnttoastwillbeservedtomothersinbedthismorningasoldersonsanddaughtersrushtodelivertheirsupermarketbunchesofflowers.But,accordingtoanewstudy,weshouldbeplacingahighervalueonmotherhoodallyear.  Mothershavelongknownthattheirhomeworkloadwasjustasheavyaspaidwork.Now,thenewstudyhasshownthatiftheywerepaidfortheirparentallabours,theywouldearnasmuchas￡172,000ayear.  Thestudylookedattherangeofjobsmothersdo,aswellasthehourstheyareworking,todeterminethefigure.Thiswouldmaketheiryearlyincome￡30,000morethanthePrimeMinisterearns.  Byanalysingthenumbers,itfoundtheaveragemotherworks119hoursaweek,40ofwhichwouldusuallybepaidatastandardrateand79hoursasovertime.Afterquestioning1,000motherswithchildrenunder18,itfoundthat,onmostdays,mumsstartedtheirroutineworkat7amandfinishedataround11pm