2024-2025学年高中英语Unit20NewFrontiersLesson3练习北师大版选修7

PAGEPAGE1Lesson3ScientificBreakthroughs课时过关·即时巩固一、单词拼法1.Hewasfacedwiththedofwhetherornottoreturntohiscountry.

答案:dilemma2.Thechildrenweresintofourgroups.

答案:split3.The(总理)dealswithimportantaffairsofthestate.

答案:premier4.Thepolicemanhadtowwiththecaseinordertocatchthecriminal.

答案:wrestle5.It’stooearlytoknowthe(结果)ofherillness.

答案:outcome二、完成句子1.这些学生的年龄在19岁到22岁之间。Thesestudents’ages1922yearsold.

答案:rangefrom;to2.他们拥有两套房子,另外还有一条船。Theyowntwohouses,aboat.

答案:nottomention3.他现在仍在同他的前任女友通信。Heisstillhisformergirlfriend.

答案:correspondingwith4.我刚要锁门,这时天起先下雨了。Ilockthedooritbegantorain.

答案:wasaboutto;when5.她下决心要让儿子改掉坏习惯。Shedecidedtohersonhisbadhabit.

答案:cure;of三、阅读理解AAirtightplasticbagscanhelpfarmersprotecttheirharvestswithouttheuseofharmfulchemicals.Thesebagsaredesignedtokeepairoutofcropsinstorage.Usingthemisasimplewaytofightinsectsandkeepcropsfresh.TencountriesinWestandCentralAfricaareinvolvedinaprojecttoimprovethestorageofcowpeas,alsoknownasblack-eyedpeas.Farmerscanlosemuchoftheharvesttoinsectscalledbruchids(豆象),whichgrowfromeggstoadultsinafewweeksandthenlayfortytosixtyeggs.Theycandestroythewholeharvestwithinmonths.Farmerscanselltheircropsimmediately.Butsellingcropsatharvesttimemeansmorecompetitionandlowerprices.Ortheycanusepesticides(杀虫剂)tokillthebugs.ButacropscientistDieudonneBaributsasays,“Theyendupmisusingoroverusingthepesticide.InNigeria,alotofcasesofdeathhavebeenreported.Theyusuallycallcowpeas‘killerbeans’inNigeria.”MrBaributsaisaresearcheratPurdueUniversityinIndiana,America.TheprojectiscalledPICS—PurdueImprovedCowpeaStorage.Hesaysthestoragebagsarethickenoughsothatanyinsectsalreadyinthecowpeaswilldiefromalackofoxygen.Thelackofairwillalsohelppreventthegrowthofbacteriathatcanruintheharvest.Thebagscostabouttwodollarseach.MrBaributsasaysthatisnotmuch,especiallyifitmeansfarmerscanwaitlongenoughtogetabetterpricefortheircrops.Thebagsareproducedlocally.Donorscurrentlysupporttheproject,butthegroupsinvolvedareworkingtobuildalastingmarketforthebagsbecausedonationfortheprojectwillnotlastforever.AcompanybasedintheUnitedStatescalledGrainPromakesanotherkindofairtightbags.ThesearecalledSuperGrainbags.PhilVillers,thecompany’spresident,saysstoringaharvestsafelynotonlyhelpsfarmersearnmoremoney,butalsoreducestheamountoftheharvestlosstoinsects,spoilageandmishandling.“Whatdoesnotgetwastedmeansitispossibletofeedahungryworld,”saidPhilVillers.1.Whatisthebesttitleforthispassage?A.SimpleBagsSavetheHarvestB.PlasticBagsKilltheInsectsC.BruchidsDoHarmtotheHarvestD.PesticidesThreatenFoodSafety解析:本文属新闻报道类文章,开头即点明白本文的中心,故选A项。答案:A2.Itcanbeinferredthatbruchids.

A.stealthestoredcropsfortheirfutureB.surviveinairtightplasticbagsC.growslowlyD.breedfast解析:从其次段的“whichgrowfromeggstoadultsinafewweeksandthenlayfortytosixtyeggs.Theycandestroythewholeharvestwithinmonths.”可知选D项。答案:D3.Howdoesthenameof“killerbeans”comeout?A.Thebeansarepoisonousbynature.B.Peopleeatbeansthatareinfectedbybugs.C.Farmersusechemicalstokillbugsimproperly.D.Bugsruinbeanswithinashorttime.解析:从第三段的“Theyendupmisusingoroverusingthepesticide.InNigeria,alotofcasesofdeathhavebeenreported.Theyusuallycallcowpeas‘killerbeans’inNigeria.”可知选C项。答案:C4.WhichofthefollowingstatementsisNOTtrue?A.Anyinsectsinthebagswillsoonuseuptheairandthendie.B.Theairtightplasticbagscurrentlysoldonthemarketdonotlastlong.C.Theprojectprovidesthefarmerswiththebagsforfreeatpresent.D.Whatfarmerscanearnfromtheuseofthebagsismorethantheyhavetopay.解析:从第四段的“Hesaysthestoragebagsarethickenoughsothatanyinsectsalreadyinthecowpeaswilldiefromalackofoxygen.”可知A项正确;从第四段的“Donorscurrentlysupporttheproject”可知现在为农夫供应免费的塑料袋,故C项正确;从第四段的“getabetterpricefortheircrops”可知D项正确;文章提到免费为农夫供应塑料袋持续的时间不会长,而不是市场上卖的塑料袋用的时间不够长,可知应选B项。答案:BBSincehisstudentsbeganusingQuizlet,EnglishteacherTristanThornehasnoticedanimprovementintheirabilitytolearnandusenewwords.QuizletisalearningApp,acomputerprogramyouuseonyourmobilephone.ItcanhelpusersbuildandtesttheirknowledgeofEnglishwords.Quizlethaswordsetsformillionsofsubjects.And,itisquicklybecomingausefulmobiletoolforlanguagelearners.ThorneteachesatColumbiaUniversityinNewYorkCity.ThankstolearningApps,JeffStrack,anotherEnglishteacher,hasalsonoticedimprovementinhisstudents’abilitytorememberinformation.HeteachesatHostosCommunityCollege,alsoinNewYork.HeandThornearepartofagrowingnumberoflanguageeducatorsaddingmobileAppstotheirclasses.StrackandThorneseemtoagreethatthedayswhenteacherswouldnotpermittheuseofmobilephonesaregone.WhentheyuseApps,languagelearnerscommunicatemoredifferentlythaninatraditionalclassroom.Usersactonorrespondtosomething,insteadofjustlisteningtonewinformation.ThornebelievesthatAppscanhelplearnersbecomemoreactiveinlearning.Forexample,eachweek,hisstudentsarerequiredtoaddvocabularywordsintoQuizletforotherstouse.HesayssomeAppsalsomakeiteasyforstudentstoknowtheirlanguagestrengthsandweaknesses.ThebiggestimprovementStrackhasseeninhisstudentsisthattheyaremuchmoreactiveinwhole-classorsmall-groupdiscussions.“Appsletallstudentstakepartintheactivity,whetherit’sagame,quizorpracticeactivity.”hesays.ManyexistinglearningAppsaredesignedforstudentsofallagesandlevels.Somearedesignedforgroupactivities.Somesupportindependentlearning.Stillsomearegoodforhomework.ThornesaysheespeciallylikesQuizletandthreeotherApps:QRCodes,SocrativeandEvernote.5.WhatdoStrackandThornedotoimprovetheirteaching?A.TheydesignlearningAppsfortheirstudents.B.Theydon’tallowtheirstudentstouseAppsafterclass.C.TheyallowtheirstudentstousemobileAppstostudy.D.Theyordertheirstudentsnottousemobilephonesinclass.解析:依据第一段中的“SincehisstudentsbeganusingQuizlet,EnglishteacherTristanThornehasnoticedanimprovementintheirabilitytolearnandusenewwords.”和其次段中的“HeandThornearepartofagrowingnumberoflanguageeducatorsaddingmobileAppstotheirclasses.”可知Strack和Thorne为了提高教学,都允许学生们在课堂上运用mobileApps。故选C项。答案:C6.Accordingtothetext,Appscanhelplanguagelearners.

A.takeanactivepartinlearningB.savemuchtimeandmoneyC.remembertheirweaknessesD.improvepersonaldesigningskills解析:依据第三段中的“WhentheyuseApps,languagelearnerscommunicatemoredifferentlythaninatraditionalclassroom.Usersactonorrespondtosomething,insteadofjustlisteningtonewinformation.”第四段中的“ThornebelievesthatAppscanhelplearnersbecomemoreactiveinlearning.”和第五段中的“ThebiggestimprovementStrackhasseeninhisstudentsisthattheyaremuchmoreactiveinwhole-classorsmall-groupdiscussions.”可知运用mobileApps后,学生们上课表现更主动活跃,故选A项。答案:A7.WhatcanwelearnabouttheexistinglearningApps?A.Theyhavethreetypesintotal.B.Theyaretoofewtochoosefrom.C.Theyareonlydesignedforhomework.D.Theyaredesignedfordifferentuses.解析:依据最终一段中的“ManyexistinglearningAppsaredesignedforstudentsofallagesandlevels.Somearedesignedforgroupactivities.Somesupportindependentlearning.Stillsomearegoodforhomework.”可知现存的学习软件分别被设计有各自的用途,故选D项。答案:D8.Whatcanbethebesttitleforthetext?A.Greatchangesinscienceandtechnology.B.Theuseofmobilephoneswillbegone.C.WaystochoosefromdifferentmobileApps.D.BetterlanguagelearningwithmobileApps.解析:文章介绍了一种在手机上运用的应用程序Quizlet,它能帮助用户构建和测试他们的英语词汇学问,是语言学习者的一个有用的移动工具。在运用中学生们主动学习,效果很好。D项,用手机软件更好地学语言,概括全文适合作为标题。故选D项。答案:D四、七选五阅读理解依据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Todayitiscommontoseepeoplewhowalkaboutwithcolouredwireshangingfromtheirearswherevertheygo.Theymoveaboutintheirpersonalbubbles,sometimesunawareofwhat’sgoingonaroundthem.1.Outsidelifeisshutout.Soareyouoneofthem?

Forme,walkingaroundinmyownpersonalbubbleisperfect.2.What’sevenbetter,wearingearphonesseemstogivepeopleasignalwhichsays,“I’mnotavailableforchattingatthemoment!”

Supposethatyou’reatworkandabouttomakeanincrediblebreakthrough,butacolleaguesuddenlyturnsup.Atthisprecisemoment,theslightestdisturbancewouldbreakyourconcentration.3.Onceagain,thosewireshangingfromyourearswouldbesuretogivethat“Goaway!”signal.

4.It’sprobablypartofthegrowingupstagewhentheyjustwanttoignoretheirwholefamily.Whiletheirmothersgivethemlecturesaboutwhytheyshoulddotheir“Yes,mom”,theearphonessolvetheproblem.

Prettysoon,notonly