人教版同步練習必修2Unit3Computers人教版同步練習必修2Unit3Computers13/13人教版同步練習必修2Unit3Computers人教版同步練習必修2Unit3ComputersⅠ.閱讀理解AAsInternetusersbecomemoredependentontheInternettostoreinformation，arepeoplerememberingless？Ifyouknowyourcomputerwillsaveinformation，whystoreitinyourownpersonalmemory，yourbrain？Expertsarewonderingrememberandhow.

iftheInternetischangingwhatweInarecentstudy，ProfessorBetsySparrowconductedsomeexperiments.SheandherresearchteamwantedtoknowhowtheInternetischangingmemory.Inthefirstexperiment，theygavepeople40unimportantfactstotypeintoacomputer.Thefirstgroupofpeopleunderstoodthatthecomputerwouldsavetheinformation.Thesecondgroupunderstoodthatthecomputerwouldnotsaveit.Later，thesecondgrouprememberedtheinformationbetter.Peopleinthefirstgroupknewtheycouldfindtheinformationagain，sotheydidnottrytorememberit.Inanotherexperiment，theresearchersgavepeoplefactstoremember，andtoldthemwheretofindtheinformationontheInternet.Theinformationwasinaspecificcomputerfolder(文件夾)．Surprisingly，peoplelaterrememberthefolderlocation(地址)betterthanthefacts.WhenpeopleusetheInternet，theydonotremembertheinformation.Rather，theyrememberhowtofindit.Thisiscalled“transactivememory(交互記憶)”．AccordingtoSparrow，wearenotbecomingpeoplewithpoormemoriesasaresultoftheInternet.Instead，computerusersaredevelopingstrongertransactivememories;thatis，peoplearelearninghowtoorganizehugequantitiesofinformationsothattheyareabletoaccessitatalaterdate.Thisdoesn’tmeanwearebecomingeithermoreorlessintelligent，butthereisnodoubtthatthewayweusememoryischanging.1．Whatcanwelearnaboutthefirstexperiment?A．Sparrow’steamtypedtheinformationintoacomputer.B．Thefirstgroupdidn’tknowwheretheinformationis.C．Thetwogroupsrememberedtheinformationequallywell.D．Thesecondgrouphadabettermemoryoftheinformation.答案D分析

細節(jié)理解題。依照第二段中的

“Thefirstgroupofpeopleunderstoodthatthecomputer1/9人教版同步練習必修2Unit3Computerswouldsavetheinformation.Thesecondgroupunderstoodthatthecomputerwouldnotsaveit.Later，thesecondgrouprememberedtheinformationbetter.”可知第二組對信息的記憶更好，應選D。2．Intransactivememory，people.A．knowhowtoaccesshugeamountsofinformationlaterB．learnhowtoorganizesmallamountsofinformationC．organizehugequantitiesofinformationlikeacomputerD．bearhugequantitiesofinformationinmind答案A分析細節(jié)理解題。依照第三段中的“Surprisingly，peoplelaterrememberthefolderlocation(位置)betterthanthefacts.WhenpeopleusetheInternet，theydonotremembertheinformation.Rather，theyrememberhowtofindit.”可知人們會記住怎樣找到信息而不是信息自己，應選A。3．WhatistheeffectoftheInternetaccordingtoSparrow’sresearch?A．Wearebecomingmoreintelligent.B．Weareusingmemorydifferently.C．Wehavepoorermemoriesthanbefore.D．Weneedabetterwaytoaccessinformation.答案B分析細節(jié)理解題。依照最后一段中的“Thisdoesn’tmeanwearebecomingeithermoreorlessintelligent，butthereisnodoubtthatthewayweusememoryischanging.”可知我們使用記憶力的方式改變了，應選B。BWindows8，apartfromWindows95，isthebiggestsurpriseandtheonlyversionofMicrosoft’soperatingsystemthathasbeenchangedfromthecore(中心)whencomparedtoitsformerone.However，arecentstudyhasshownthatunder20%ofbusinessownerswouldbewillingto2/9人教版同步練習必修2Unit3ComputersupgradetothenewversionofWindows.Thereasonforthisremainstobediscussedanddebated，andwewilltrytothrowlightonthisresearchbyprovidingyouwithsomeofthemostcommonadvantagesanddisadvantagesofWindows8.Generallyspeaking，thereareagreatnumberofplus_sidesrelatedtoupgradingfromWindows7toWindows8.Speed—Thisisthebiggestadvantagetomention.BoottimehasbeenreportedtobeuptoninetimesshorterthanthatwithWindows7.Newpasswords—Insteadoftypingyourpasswords，Windows8willletyouusegesturesonyourfavoritephotostoenteryourpassword.Thisisnotonlypracticalbutalsoextremelycool!Windows8experience—Apartfromcomputers，Windows8willbeusedonalldevices，includingsmartphones，tabletPCsandsoon.Also，owingtothefactthatithasbeenspecificallydesignedwithtouchscreenusersinmind，Windows8，besidesusingkeyboardandmouse，willofferawholenewuserexperience.However，therearestillsomedisadvantages.ThefirstonethathastobementionedisthatthereisnoStartMenufromWindows.Yes，thereisnoStartbuttoninthelowerleftcorner，andthismightbearealpuzzleofmanyWindowsusers.Also，manyusershavehadaproblemtogetusedtothenewinterface(界面)introducedbyWindows8.ThebiggestproblemthatisworthnoticingisthatWindows8wasoriginallydesignedfortouchscreenusers，andthismayhaveabadeffectondesktopuserswhohavegottenusedtodoingeverythingwiththehelpoftheirkeyboardandmouse.4．Whatdoes“plussides”inParagraph2probablyreferto?A．Mathsymbols.B．Newrules.C．Strengths.D．Messages.答案C分析詞義猜想題。從plus這個詞的本意和下文中提到的“Speed，Newpasswords，Windows8experience”和“However，therearestillsomedisadvantages.”可知選C。5．AccordingtothetextthegreatestadvantageofWindows8isits.A．highspeedB．complexpasswords3/9人教版同步練習必修2Unit3ComputersC．uniqueexperienceD．newinterface答案A分析細節(jié)理解題。從“Speed”部分中的“Thisisthebiggestadvantagetomention.”可知選。6．FromthetextwecanlearnthatWindows8.A．nolongerrequiresapasswordB．canbeusedonmorethancomputersC．willbepopularwithdesktopusersD．wasupgradedfromwindows95答案B分析細節(jié)理解題。從“Windows8experience”部分中的“Apartfromcomputers，Windows8willbeusedonalldevices”可知選B。7．ManyWindows8usersfacetheproblemthat.A．StartMenuishiddeninthelowerleftcornerB．theydon’tgetaccustomedtothenewinterfaceC．keyboardandmousecan’tbeusedanylongerD．theyhavetousefingerprintsinsteadofbutton答案B分析細節(jié)理解題。由文章最后一段中的“Also，manyusershavehadaproblemtogetusedtothenewinterface(界面)introducedbyWindows8.”可知B正確。Ⅱ.完形填空LaurenSingerhasproducedalmostnowasteinthepasttwoyears.Itprovesthatawaste-

free

8ispossible.LaurenstudiedenvironmentalscienceatNYU，anditwasduringherstudentyearsthatshebeganworkingtowardsazero-waste9.Today，shehaslearnedto10allofherowneveryday4/9人教版同步練習必修2Unit3Computerseco-friendlyproducts，suchastoothpaste，shampoo，kitchencleanerandthelike.Shealso11herowneco-friendlycompany，“TheSimpleCo”，throughwhichsheplansto12herhomemadeproducts.Laurenregularlywritesabouther13ofazero-wastelifeonherblog.She14thatthepasttwoyearshaven’tbeen15.“Istoppedbuying16productsandbegan17myownbagsandjarstofillwithproductsatthe18.”sheexplained，“Istoppedbuying19clothesandshoppedonlysecondhand.Isaidnotoplasticorpaperbagsatstores”．Althoughthejourneyhasbeen20，herzero-wastelifehasbeenwellworththe21.Shesaysthatshenow22alotofmoneysimplybecausesheis23whenshegoesshoppinganddoesnotbuythingsblindly.Shealsoeatshealthyfoodbecauseshe24freshorganic(有機的)fruitsandvegetablesinsteadofpackagedfoods.Thegirlhasbecomea(n)conductingmoreandmore

25tomany.She’sgiving26inschoolsandcollegesandalso27aboutherzero-wastelifestyleonTVandtheradioworldwide.8．A.dealB．lifestyleC．systemD．activity答案B分析依照下文看，勞倫過的是環(huán)保的生活方式，而且證明這種環(huán)保的生活方式是可能的。9．A.jobB．gameC．goalD．competition答案C分析從大學時勞倫就開始了零污染的目標(goal)。job工作；game游戲，比賽；competition競爭，均不吻合上下文語境。10．A.collectB．makeC．avoidD．mend答案B分析從下文的homemade可知，勞倫的那些環(huán)境友好型的產品都是自己制造的。11．A.expandedB．decorated5/9人教版同步練習必修2Unit3ComputersC．renewedD．founded答案D分析她還成立了(found)自己的環(huán)境友好型的企業(yè)。12．A.sellB．checkC．classifyD．improve答案A分析她打算經過這個企業(yè)銷售(sell)自己制造的產品。13．A.productsB．difficultiesC．experiencesD．ambitions答案C分析依照下文看，勞倫介紹的是自己的零污染的環(huán)保生活經歷(experience)。14．A.admitsB．complainsC．arguesD．regrets答案A分析她認同(admit)，過去的兩年自己的環(huán)保生活方式不簡單。15．A.differentB．fairC．successfulD．easy答案D分析依照下文的表達可知，她的零污染的生活方式確實不簡單(easy)。16．A.packagedB．particularC．freshD．recycled答案A分析依照下文自己帶包去商場購物看，勞倫購物時不買帶包裝的(packaged)產品。6/9人教版同步練習必修2Unit3Computers17．A.emptyingB．purchasingC．possessingD．bringing答案D分析而是自己帶(bring)購物用的袋子。18．A.houseB．restaurantC．supermarketD．office答案C分析購物應去商場(supermarket)。19．A.prettyB．newC．expensiveD．beautiful答案B分析由下文的“shoppedonlysecondhand”可知勞倫不買新(new)衣服。20．A.longB．popularC．hardD．dangerous答案C分析依照上下文看，這樣做是困難的(hard)。21．A.effortB．rewardC．respectD．praise答案A分析可是這樣做也是值得的，bewellworththeeffort意為“作出的努力是特別值得的”。22．A.lacksB．lendsC．borrowsD．saves答案D7/9人教版同步練習必修2Unit3Computers分析購物時有備而來而不是盲目購物自然會省(save)很多錢。23．A.hurriedB．preparedC．excitedD．frightened答案B分析beprepared做好準備，準備好，吻合語境。24．A.storesB．choosesC．harvestsD．serves答案B分析她吃的健康是因為她選擇(choose)有機水果和蔬菜而不是加工食品。25．panionB．managerC．honourD．inspiration答案D分析依照下文勞倫到各個學校做演講，在廣播電視上做采訪看