寒假輕松銜接Unit+2+Looking+into+the+Future+復(fù)習(xí)鞏固-高中英語(yǔ)人教版（2019）選擇性必修第一冊(cè)

復(fù)習(xí)鞏固：（2）Unit2LookingintotheFuture—-高二英語(yǔ)人教版（2019）寒假輕松銜接一、單詞填空用適當(dāng)?shù)脑~填空。1.Yourproblemliesinlacking________(efficiency)methods.2.JohnseemedashorrifiedasIabouthispotential________violence.3.Ifyoufailtocheckoutinthismanner,thestaffwillholdaninspection____________yourabsenceandassesswhetheranypaymentisrequired.4.Historical_____(accurate)isimportantbutsoisentertainment.5.Itwasaveryeffectivewayforthemtokeeptrack_____theirspending.6.Heleftthepartyearly_____becausehehadsomeimportantthingstodealwith.7.Scientistsneedtodosomanypreparations_____(predict)whenandwheretheearthquakewillhappen.8.Histreatmentwasa_____(combine)ofsurgery,radiationanddrugs.9.Withthebusinessenvironment_____(constant)improving,manycompaniescanachievegoodeconomicbenefits.10.Thereasonforher_____(prefer)forcitylifeisthatit’sconvenientforhertogoshopping.二、閱讀理解閱讀下列短文，從每題所給的A、B、C、D四個(gè)選項(xiàng)中選出最佳選項(xiàng)。Canasmallgroupofdrones(無人機(jī))guaranteethesafetyandreliabilityofrailwaysand,atthesametime,helprailwayoperatorssavebillionsofeuroseachyear?Thatistheverylikelyfutureofapplyingtoday's"eyesinthesky"technologytomakingsurethatthemillionsofkilometresofrailtracksandinfrastructure(基礎(chǔ)設(shè)施)worldwidearesafefortrainsona24/7basis.Dronesarealreadybeingusedtoexaminehigh-tensionelectricallines.Theycoulddopreciselythesamethingtoinspectrailwaylinesandothervitalaspectsofrailinfrastructuresuchasthecorrectpositionofrailwaytracksandswitchingpoints.Themoreregularlytheycanbeinspected,themorerailwaysafety,reliabilityandon-timeperformancewillbeimproved.Costswouldbecutandoperationswouldbemoreefficient(高效)acrosstheboard.Thatincludeshugesavingsinmaintenancecostsandbetterprotectionofrailwaypersonnelsafety.ItiscalculatedthatEuropeanrailwaysalonespendapproximately20billioneurosayearonmaintenance,includingsendingmaintenancestaff,oftenatnight,toinspectandrepairtherailinfrastructure.Thatcanbedangerousworkthatcouldbeavoidedwithdronesassistingthecrews'efforts.Byusingthelatesttechnologies,dronescouldalsostartprovidinghigher-valueservicesforrailways,detectingfaultsintherailorswitches,beforetheycancauseanysafetyproblems.Toperformthesetasks,dronesforraildon'tneedtobeflyingoverhead.Engineersarenowworkingonanewconcept:theraildronesofthefuture.Theywillbemovingonthetrackaheadofthetrain,andprogrammedtorunautonomously.VerysmalldroneswithadvancedsensorsandAIandtravellingaheadofthetraincouldguideitlikeaco-pilot.Withtheirabilitytoseeahead,theycouldsignalanyproblem,sothatfast-movingtrainswouldbeabletoreactintime.1.Whatmakestheapplicationofdronestoraillinespossible?A.Theuseofdronesincheckingonpowerlines.B.Drones'abilitytoworkathighaltitudes.C.Thereductionofcostindesigningdrones.D.Drones'reliableperformanceinremoteareas.2.Whatdoes"maintenance"underlinedinparagraph3referto?A.Personnelsafety. B.Assistancefromdrones.C.Inspectionandrepair. D.Constructionofinfrastructure.3.Whatfunctionisexpectedoftheraildrones?A.Toprovideearlywarning. B.Tomaketrainsrunautomatically.C.Toearnprofitsforthecrews. D.Toacceleratetransportation.4.Whichisthemostsuitabletitleforthetext?A.WhatFaultsCanBeDetectedwithDronesB.HowProductionofDronesCanBeExpandedC.WhatDifficultyDroneDevelopmentWillFaceD.HowDronesWillChangetheFutureofRailways三、完形填空閱讀下面短文，從每題所給的A、B、C、D四個(gè)選項(xiàng)中選出可以填入空白處的最佳選項(xiàng)。EveryonebackhometoldmethatoneofthenicestthingsaboutcollegewasthepeopleImet.TheyallassuredmethatIwould1friendshipsthatcouldlastalifetime.Iwouldalwayssmileandagree.Frankly,beforeI2college,Ireallydidn'tcare.Ilivedinthe3wheresixguyslivedintwosmallconnectingrooms.Allmyroommatesseemedtobegoodguys,butIdidn'treallytrytogettoknowthem.Ihavealwaysbeenratherquietandneverbeenabletomakefriends4.IwouldalwaysforgetnamesafterImetpeople.Whenwe5againandtheycalledoutmyname,Iwouldreplywitha(n)6waveandaweakhello.Thiswashowthingswentonforthefirstmonthorso.Afterawhile,thingsstartedto7.Acoupleofmyroommateswouldtryandkeepmetalking.Soon,thesetworoommatesandIstartedbecomingfairly8.Webegangoingtothecafeteriatogether,9together,andmeetinginthelibrarytostudy.Onenightmyroommatesinvitedmetolistentoafellowroommate'spracticewithoneofourcollegechoirs.Theydrovemetothecampuswheremyroommatewasto10.Itwasaccidentalthatthatdaywasmybirthday,butIhadkeptquietaboutit.Soyoucanimaginemy11whenweenteredtherecitalhall.The120-memberchoirbegantosingHappyBirthdaytome.12atthedorm,myfriendsheldasmallpartyforme,completewithacardandacake.Iwascompletelyshocked,andIfelt13tobeabletocallthemfriends.ItwasthenthatIrealizedthatcollegemeans14thepieceofpaperyoureceiveintheend—it's15onbothlifeandpeople.1.A.form B.follow C.approach D.introduce2.A.leftout B.leftbehind C.leftfor D.leftaside3.A.dorm B.hotel C.inn D.canteen4.A.deliberately B.easily C.greedily D.merely5.A.attended B.emerged C.met D.proposed6.A.splendid B.unique C.embarrassed D.upset7.A.turn B.worsen C.arise D.change8.A.intangible B.aggressive C.tiresome D.close9.A.exercising B.dropping C.rising D.kicking10.A.preserve B.perform C.settle D.serve11.A.surprise B.dislike C.disappointment D.bonus12.A.Away B.Down C.Back D.Out13.A.aware B.afraid C.sure D.proud14.A.morethan B.ratherthan C.lessthan D.otherthan15.A.culture B.tradition C.custom D.education

答案以及解析一、1.答案：efficient解析：考查形容詞。句意：你的問題在于缺乏有效率的方法。根據(jù)句子分析可知，此處修飾名詞methods，應(yīng)用形容詞，故填efficient.2.答案：for解析：考查介詞。句意：約翰似乎和我一樣，對(duì)他潛在的暴力行為感到恐懼。根據(jù)句意可知，對(duì)于他潛在的暴力，約翰和我都感到恐懼。for“對(duì)于”，符合語(yǔ)境。故填for。3.答案：in/during解析：考查介詞短語(yǔ)。句意：如果你沒有以這種方式退房，工作人員將在你不在時(shí)進(jìn)行檢查，并評(píng)估是否需要賠償。分析句子結(jié)構(gòu)和意思可知，這里考查介詞短語(yǔ)in/duringone'sabsence,表示“在某人不在的時(shí)候”。故填in/during。4.答案：accuracy解析：句意:歷史的準(zhǔn)確性很重要,但是娛樂性也很重要。根據(jù)空白處之前的形容詞historical及后面的謂語(yǔ)動(dòng)詞is可知,此處應(yīng)填名詞accuracy作句子的主語(yǔ)。5.答案：of解析：考查介詞。句意:對(duì)他們來說,這是了解他們開銷的一種非常有效的方法。keeptrackof意為“了解……的動(dòng)態(tài)”。故填of。6.答案：on解析：考查固定搭配。句意:他很早就離開了聚會(huì),因?yàn)樗幸恍┲匾氖虑橐幚?。earlyon意為“早先;在初期”。故填on。7.答案：topredict解析：考查動(dòng)詞不定式。句意:為了預(yù)測(cè)地震將會(huì)在何時(shí)何地發(fā)生,科學(xué)家們需要做很多準(zhǔn)備工作。結(jié)合句意可知,此處應(yīng)用動(dòng)詞不定式作目的狀語(yǔ)。故填topredict。8.答案：combination解析：考查名詞。根據(jù)a和of可知此處應(yīng)用名詞,故填combination。句意:對(duì)他的治療是把手術(shù)、放射療法和藥物治療結(jié)合為一體。9.答案：constantly解析：考查副詞。設(shè)空處修飾其后的現(xiàn)在分詞improving,應(yīng)用副詞作狀語(yǔ),故填constantly。句意:隨著商業(yè)環(huán)境的不斷改善,很多公司能夠獲得良好的經(jīng)濟(jì)效益。10.答案：preference解析：句意為：她偏愛城市生活的原因是購(gòu)物對(duì)她來說很方便。設(shè)空處前有代詞her修飾，作介詞for的賓語(yǔ)，應(yīng)用名詞。故填preference。二、1.答案：A解析：理解具體信息。題干問什么使無人機(jī)在鐵路線路中的應(yīng)用成為可能。根據(jù)文章第二段中的"Dronesarealreadybeingusedtoexaminehigh-tensionelectricallines.Theycoulddopreciselythesamethingtoinspectrailwaylinesandothervitalaspectsofrailinfrastructure"可知,無人機(jī)現(xiàn)在已經(jīng)用來檢測(cè)高壓電力線路,它們可以做同樣的事情來檢查鐵路線路以及鐵路基礎(chǔ)設(shè)施的其他重要方面。故A項(xiàng)正確。2.答案：C解析：理解詞匯。題干問"maintenance"是什么意思。根據(jù)畫線詞出現(xiàn)的語(yǔ)境"節(jié)省_____費(fèi)用"以及該詞在下文中的語(yǔ)境,即第三段第二句"ItiscalculatedthatEuropeanrailwaysalonespendapproximately20billioneurosayearonmaintenance,includingsendingmaintenancestaff,oftenatnight,toinspectandrepairtherailinfrastructure"(據(jù)計(jì)算,單是歐洲鐵路一年就要在維護(hù)上面花費(fèi)約200億歐元,其中包括常常在夜里派遣維護(hù)員工去檢查和修復(fù)鐵路基礎(chǔ)設(shè)施)可知,鐵路"maintenance"包括檢查和修復(fù)鐵路基礎(chǔ)設(shè)施。故C項(xiàng)正確。3.答案：A解析：理解具體信息。題干問的是期待鐵路無人機(jī)有什么樣的功能。根據(jù)文章最后一段最后一句"Withtheirabilitytoseeahead,theycouldsignalanyproblem,sothatfast-movingtrainswouldbeabletoreactintime"(因?yàn)槟芴崆翱吹?無人機(jī)可以感知到任何問題,這樣快速前進(jìn)的列車就可以及時(shí)作出反應(yīng))可知,期待鐵路無人機(jī)具有的功能是提前發(fā)現(xiàn)問題,并給列車發(fā)出警告。故A項(xiàng)正確。4.答案：D解析：理解文章主旨要義。題干問的是本文最佳標(biāo)題是什么。第一段是導(dǎo)入,綜述無人機(jī)在鐵路運(yùn)營(yíng)方面的應(yīng)用前景;第二段主要講述無人機(jī)在鐵路運(yùn)營(yíng)中的部分功能和作用;第三段主要講了無人機(jī)在降低鐵路維護(hù)成本和維護(hù)鐵路職員人身安全方面的作用;第四段講無人機(jī)還能為鐵路運(yùn)營(yíng)做的事情。由此可知本篇文章主要講的是無人機(jī)將如何改變鐵路的未來。故D項(xiàng)正確。三、1.答案：A解析：根據(jù)下文“neverbeenabletomakefriends”可知此處指建立友誼。故選A。form建立;follow跟隨;approach接近;introduce介紹。2.答案：C解析：后文講述作者與大學(xué)室友建立了友誼。據(jù)此可推知作者離家去上大學(xué)前并不在意。故選C。leaveout遺漏;leavebehind丟下;leavefor動(dòng)身去;leaveaside擱置。3.答案：A解析：根據(jù)下文“wheresixguyslivedintwosmallconnectingrooms”和常識(shí)可知選A。dorm宿舍;hotel旅館;inn小旅館;canteen食堂。4.答案：B解析：根據(jù)上文“Ihavealwaysbeenratherquiet”和常識(shí)可知選B。deliberately故意地;easily容易地;greedily貪婪地;merely僅僅。5.答案：C解析：根據(jù)上文“Imetpeople”及下文“again”可知此處指“再次遇見”,故選C。attend參加;emerge出現(xiàn);meet遇見;propose提議。6.答案：C解析：根據(jù)上文“IwouldalwaysforgetnamesafterImetpeople.”可知,作者并不記得他們的名字,因此只能尷尬地?fù)]手。故選C。splendid壯麗的;unique獨(dú)特的;embarrassed尷尬的;upset沮喪的。7.答案：D解析：根據(jù)下文“Acoupleofmyroommateswouldtryandkeepmetalking.”可知,事情開始改變。故選D。turn轉(zhuǎn)動(dòng);worsen惡化;arise產(chǎn)生;change改變。8.答案：D解析：根據(jù)下文“Webegangoingtothecafeteriatogether”可知,作者和室友變得相當(dāng)親密。故選D。intangible無形