Unit4SectionA课时训练高中英语选修7电子题库

Ⅰ.单项填空1．Thehallwasempty________alittlegirldressedinablueskirt.A．inadditiontoB．besidesC．apartfromD．ratherthan解析：选C。inadditionto表示“还有”；besides表示“除了”，含有包括在内的意思；apartfrom表示“除了”，相当于exceptfor；ratherthan表示“而不是”。2．Mybrotherisanactor.He________inseveralfilmssofar.A．appearsB．appearedC．hasappearedD．isappearing解析：选C。sofar意为“到目前为止”，一般与现在完成时连用。appear意为“出现”。句意：到目前为止，我的哥哥已经演了几部电影。3．Shellyhadpreparedcarefullyforherbiologyexaminationsothatshecouldbesureofpassingitonherfirst________.A．intentionB．attemptC．purposeD．desire解析：选B。intention“意图”、“目的”；purpose“目的”；desire“愿望”；attempt“尝试”。4．Hisjobistosellthe________carvingsinthe________departmentofthecompany.A．wooden;salesB．wood;salesC．wood;saleD．wooden;sale解析：选B。wooden作定语，意为“用木头(块)制成的”，wood作定语，意为“就木头本身制成的”。从该题题干可看出，在木头上雕刻各种花样，应为woodcarving。sports，sales，clothes，goods，arts，customs等名词作定语只用复数形式。5．ThevolunteersinBeijingare________willing________allthevisitors.A．very;helpingB．very;tohelpC．too;tohelpD．enough;help解析：选C。bewillingto表示“乐意做某事”。too修饰willing表示“非常”。句意：在北京的志愿者们非常乐意帮助广大游客。6．Ihavelostoneofmygloves.I________itsomewhere.A．mustdropB．musthavedroppedC．mustbedroppingD．musthavebeendropped解析：选B。由题干知不用被动，排除D。题干说“已经丢了”，排除C。此处是表示对过去已经发生的事情的推测判断。7．Sicknessoften________eatingtoomuch.A．asaresultofB．resultsofC．resultsinD．resultsfrom解析：选D。句意：疾病通常是由于吃得太多的原因。resultfrom表示“由于……的原因”。8．IusedtobeabletoplaywellbutI’m________now.A．outofdateB．outoftouchC．outofpracticeD．outofplace解析：选C。outofpractice荒废，久不练习；outofdate过时，老式；outoftouch失去联系；outofplace不合适的。根据前面提到的“过去常常”可知现在“荒废”，因此选C。Ⅱ.阅读理解A课时训练ThegreatseavoyagesofEurope’s“AgeofDiscovery，”suchasChristopherColumbus’striptotheWestIndiesin1492，wouldhavebeenimpossiblewithouttheuseofacompass.ThisgreatdeviceforseavoyageswasintroducedtotheWestfromChinaduringthethirteenthcenturyA．D..WehavetothankancientChinesefortheirinventionofthecompass.TwothousandyearsagotheChinesehadalreadydevelopedaworkingcompass.Apieceoflodestone(天然磁石)wouldbecutintotheshapeofaladle(长柄勺)．Placedonastoneboardwithasmoothsurface，thelodestonewouldmoverounduntilthe“handle”oftheladlepointedsouthwhilethebulk(主体)oftheladlewasattractedtomagneticnorth.ThisinterestinglyshapeddeviceismentionedinabookfromaboutA．D.80.OtherancientbooksmayhavedateditasfarbackasthefourthcenturyB．C..Jade(玉石)findersplayedanimportantroleintheinventionofthe“ladle”．Theytravelledgreatdistancestolookforjade.Inordernottolosedirections，theywouldtakea“ladle”withthem.Thejadeconnectionisimportant.Lodestoneisahardmaterial—thoughnotashardassomejade.Andthemakingofamagnetic“ladle”，aswellasahighlysmoothstoneboard，wouldhaverequiredgreatskill.ThissuggeststhatthecompasswasinventedbythejadefindersofancientChina.However，themakingofa“ladle”wasatoughjob.Muchworkneededtoshapeapieceoflodestoneintoaladlewouldmeanmuchofitsnaturalmagnetism(磁性)hadbeenlost.Thisagainmeantthatonlyafew“ladles”couldhavebeenproduced.Smallnumbersofladlesproducedandgrowingneedfornavigationledtoasearchforwaystoproducemorecompasses，andatthesametime，smallerandbettercompasses.1．Whatisthefirstparagraphmainlyabout?A．Columbuswasagreatsailoranddiscoverer.B．ThecompasswasinventedbyColumbus.C．Theinventionofthecompassisimportantinhumanhistory.D．ColumbusintroducedthecompasstotheWestIndies.解析：选C。第一段讲了如果没有指南针，欧洲的海上航行可能无法实现。由此可见，指南针的发明对于人类历史的发展是非常重要的。2．WhendidtheChineseinventthecompass?A．In1492.B．InthethirteencenturyA．D..C．InA．D.80.DAtleast2000yearsago.解析：选D。第二段中TwothousandyearsagotheChinesehadalreadydevelopedaworkingcompass.直接告诉我们中国发明指南针的时间。3．Whyarejadeandjadefindersmentionedinthepassage?A．Becausejadefindersusedthecompasstodetectlodestone.B．Becausejadewashardenoughtomakethecompass.C．Becausejadefinderswerepossiblytheinventorsofthecompass.D．Becausejadeandlodestonewerefoundinthesamemountains.解析：选C。第二段中：Jade(玉石)findersplayedanimportantroleintheinventionofthe“ladle”．Theytravelledgreatdistancestolookforjade.Inordernottolosedirections，theywouldtakea“ladle”withthem.间接的告诉我们玉石寻找者可能是指南针的发明者。4．Whatwouldtheparagraphfollowingthispassagemostprobablydiscuss?A．Varioususesofladle­shapedcompasses.B．Improvementontheladle­shapedcompass.C．CompassesintroducedtotheWestfromChina.D．TheseavoyagesofEurope’s“AgeOfDiscovery”．解析：选B。最后一段讲了以后会生产出越来越精致的指南针。所以，由此可以推测出指南针生产的提高。BPerhapsyouhaveheardalotabouttheInternet，butwhatisit，doyouknow?TheInternetisanetwork.Itusesthetelephonetojoinmillionsofcomputerstogetheraroundtheworld.Maybethatdoesn’tsoundveryinteresting.Butwhenyou’vejoinedtotheInternet，therearelotsandlotsofthingsyoucando.Youcansende­mailstoyourfriends，andtheycangettheminafewseconds.YoucanalsodowithallkindsofinformationontheWorldWideWeb()．Therearemanydifferentkindsofcomputersnow.TheyallcanbejoinedtotheInternet.Mostofthemaresmallmachinessittingonpeople’sdesksathome，buttherearestillmanyothersinschools，officesorlargecompanies.Thesecomputersareownedbypeopleandcompanies，butnoonereallyownstheInternetitself.TherearelotsofplacesforyoutogointotheInternet.Forexample，yourschoolmayhavetheInternet.Youcanuseitduringlessonsorfreetime.LibrariesoftenhavecomputersjoinedtotheInternet.Youarewelcometouseitatanytime.ThankstotheInternet，theworldisbecomingsm