搜索
1EvaluationWarning:ThedocumentwascreatedwithSpire.Docfor.NET.课时跟踪练(一)Warm-up&Lesson1—Pre-readingⅠ.阅读理解ATherewasatimewhenatriptothesupermarketintheUnitedStatesoftenendedwithaseeminglysimplequestionfromthecashier(收银员):“Paperorplastic？”Well,whichtypeofbagwouldyouchoose?Whilealltypesofbagshavesomeinfluenceontheenvironment,ithaslongbeensupposedthatpaperbagsarekinder.Theyaremadefromarenewablesource,breakdowneasily,burnwithoutgivingoffthicksmokeandcanberecycled(回收利用).However,theproducingprocessbehindpaperbagsusesmoreenergythanthatofplasticones.Howcanthisbetrue?Studiesshowthatpaperbagproductionrequiresfourtimesasmuchenergyasplasticbagproduction.Andtheamount(量)ofwaterusedtomakethemistwentytimeshigher.Besides,theinfluenceonforestsisveryserious.Ittakesaboutfourteenmilliontreestoproducetenbillionpaperbags,whichhappenstobethenumberofbagsusedintheUnitedStatesyearly.Intermsofrecycling,theideathatpaperbagsaremoreenvironmentfriendlythanplasticonescanbequicklydiscarded.Researchshowsitrequiresabout98%lessenergytorecycleplasticthanitdoespaper.Eventhoughpaperbagsmightbemoreharmfulthanplasticones,plasticstillseemstobeconsideredbygovernmentsasthemoreharmfulofthetwo.InIreland,forexample,atax(税)hasbeenintroducedtodiscouragetheuseofplasticbags.Peoplehavetopay22centsforeveryplasticbag,andasaresult,theirusehasdroppedquickly.There'snodoubtitmakesmoresensetoreusethesebags.However,wedon'tseemtobedoingthatatpresent.Thatmaybebecausetheyfallapartquickly.Ifso,clothbagsareabetterchoice,butstill,theirproductionalsohasabadinfluenceontheenvironment.Sowhattodo?Howshouldweanswerthequestionof“Paperorplastic？”Itseemsthatwefirstneedtoaskourselvesonemoregeneralquestion:“WhatcanIdotohelptheenvironment？”语篇解读：本文是议论文。购物时，应该选用纸袋还是塑料袋，抑或是其他更加环保的方式？作者主要就此进行了探讨。1．ThequestionsinParagraph1areusedto________.2A．expresstheauthor'sdoubtsB．tellreadershowtosavemoneyC．introducepointsfordiscussionD．showthekindnessofthecashier解析：选C写作手法题。作者在首段中通过两个问题，引出了下文要探讨的话题：购物时，应该选纸袋还是塑料袋，到底哪种更环保呢？2．Comparedwithplasticbags,paperbags________.A．needmorewatertoproduceB．requirelessenergytorecycleC．takemoretimetobreakdownD．havelessinfluenceonforests解析：选A细节理解题。由第三段中的“theamountofwaterusedtomakethemistwentytimeshigher”可知，A项说法正确。3．Theunderlinedword“discarded”inParagraph3probablymeans“________”．A．sharedB．givenupC．discussedD．putforward解析：选B词义猜测题。由该词后的“Researchshowsitrequiresabout98%lessenergytorecycleplasticthanitdoespaper.”可知，就回收利用而言，纸袋比塑料袋更加环保这种观念显然是错误的，应该予以抛弃，故选B项。4．WhatdoestheIrishgovernmentthinkofplasticbags?A．Theyarelessharmfulthanpaperbags.B．Theycanbemadeenvironmentfriendly.C．Taxesprobablyneedtobeincreasedfurther.D．Noplasticbagsshouldbeprovidedinshops.解析：选C细节理解题。由倒数第二段中的“InIreland...ataxhasbeenintroducedtodiscouragetheuseofplasticbags.”可知，爱尔兰政府可能会进一步加大对购买塑料袋者征收的税费，故选C项。B“Siri”maybeawellknownnamenow.Today,87percentofiPhoneownerssaytheyuseSirieachmonth.AsDagKittalaus,theNorwegiancocreatoroftheiPhone'swellknownvirtual(虚拟的)assistant,revealedatastartupconferenceinChicago,heplannedtonamehisdaughterSiriafteraformercoworker.InNorwegian,Sirimeans“abeautifulwomanwho3leadsyoutovictory”.Heevenregisteredthedomain(域名)Siri.com.Thenheandhiswifehadason,andthewebsitewasgivenup.ButwhenKittalauswasreadytolaunchhiseyecatchingspeechrecognitiontechnology,heusedSiri.“Consumercompaniesneedtofocusonthefactthatthenameiseasytospellandeasytosay，”hesaid.Siri,Inc.wasformedin2007,andthetechnologywaslaunchedasaniOSappavailableintheAppleStoreinearly2010.ThesoftwarewasplannedtobeavailablefortheBlackberryandtheAndroidphone.ThingschangedwhenKittalaus,thecompany'sCEO,receivedacallthreeweekslaterfromSteveJobs.TheApplefounderinvitedKittalaustohishomeinCupertino,CA,wherethetwohadathreehourchataboutthefutureoftechnology.“HetalkedaboutwhyApplewasgoingtowin,andwetalkedabouthowSiriwasdoing，”saidKittalaus.ApplewentontobuySirifor$200million,endingtheplantomakeitavailableforrival(竞争)operatingsystems.However,therewasoneproblem—Jobswasn'tsoldonthename.Kittalaus,whoworkedforAppleuntilOctober2011,triedtoconvincethestubbornJobsthatSiriwasagreatname.Butintheend,thecompanystuckwiththenameforasimplerreason:Noonecoulddreamupanythingbetter.ButitseemsthatKittalauswasrightaboutSiri.Today,it'sanimportantpartofpopculture,andastandardthatothercompaniesaretryingtotop.语篇解读：本文是记叙文。Siri是苹果公司在其产品上应用的一项智能语音控制软件，它就好比一台智能化机器人。如今，Siri已然成为Apple的一个“活”招牌。但是，你知道这位越来越出名的数码助理的名字是如何确定的吗？5．WhydidKittalausnamethespeechrecognitiontechnologySiriatfirst?A．Hisformercoworkerrecommendedit.B．It'sthenameofhisdaughter.C．Helikedthemeaningofit.D．It'seasytospellandsay.解析：选D细节理解题。由第二段最后一句可知，Kittalaus最初决定用Siri这个名字来给这款语音识别软件命名并创立公司，是因为他认为这个名字易于拼写并且叫起来朗朗上口。6．WhichofthefollowingisSiriavailablefornow?A．TheiPhone.B．TheBlackberryphone.4C．TheAndroidphone.D．Anyoperatingsystem.解析：选A推理判断题。由第三、四段可知，起初Kittalaus是计划让Siri服务于黑莓手机和安卓手机的，但乔布斯说服了他并且最终收购了Siri，这使得Siri只能用于苹果公司的系统。7．WhatdidJobsthinkofthenameSiri?A．Heinsisteditwasagreatname.B．Hethoughtitrepresentedpopculture.C．HebelieveditwouldleadAppletovictory.D．Hedidn'tlikeitbutfailedtofindabetterchoice.解析：选D细节理解题。由第四段“However,therewasonepro