2019-2020学年高中英语 Unit 3 The world online Section Ⅰ

1Unit3Theworldonline网络，一个科技发展的产物，也是信息时代的标志。它的出现改变了人们传统的思想方法，在我们的生活中给予了我们极大的帮助，同时也受到越来越多的青少年的青睐。ThePositiveEffectsoftheInternetTheInternethascomeaverylongwayinthepast50years.Newinnovationssuchasintegratedsoftwareandhardwarehavechangedthewaythatpeopleviewandobtaininformationtoday.MillionsofpeopleworldwideareusingtheInternettoshareinformation,makenewassociationsandcommunicate.Individualsandbusinesses,fromstudentsandjournalists,toconsultants,programmersandcorporategiantsareallharnessingthepoweroftheInternet.Formanybusinesses,theInternetisbecominganintegral(必须的)partoftheiroperations.Perhaps,themostimportantfactsabouttheInternetarethatitcontainsawealthofinformation,whichcanbesentacrosstheworldalmostinstantly,andthatitcanunitepeopleinwildlydifferentlocationsasiftheywerenexttoeachother.Theinformationavailableisvastandvaried.TheInternetgivesconsumerstheabilitytoshopsmarter,tofindthebestproductsattherightprices.TheInternetbringspeopletogether.Peopleoflikemindsandinterestscanshareinformationwithoneanotherthroughelectronicmailandchatrooms.Mailing­listdiscussiongroupsandonlineconferencingallowustogathertogethertoworkonamultitudeofprojectsthatareinterestingorhelpfultous.Therearemanyschool­basednetworksthatlinklearnerstodiscuss,shareandexaminespecificsubjectssuchasenvironmentalconcerns,science,localandglobalissues,ortoenhancewrittencommunicationskillsinfirstorsecondlanguageproficiency(精通)activities.Onlineeducationintroducesunprecedentedoptionsforteaching,learning,andknowledgebuilding.Todayaccesstoamicrocomputer,2modem,telephoneline,andcommunicationprogramofferslearnersandteachersthepossibilityofinteractionsthattranscendedtheboundariesoftimeandspace.E­mailisenablingradicallynewformsofworldwidehumancollaboration.Thereforetherecouldbenoprejudices(成见)againstapersonwhoisusingtheInternet.SectionⅠWelcometotheunit&Reading—WarmingUp[基础词汇]1．statisticsn．(pl.)统计数字，统计数据，统计资料2．addressvt.探讨，解决，处理；向……说话；称呼(某人)3．falseadj.虚假的，伪造的；错误的；人造的4．withdrawvi.&vt.脱离(社会)，不与人交往；撤回；取(款)5．alarmvt.使担心，使害怕，使警觉n.警报(器)；惊慌；闹钟6．conferencen.(大型的正式)会议，研讨会7．explicitadj.直言的，坦率的；清楚明白的，易懂的[拓展词汇]8．abundantadj.大量的，充裕的→abundancen．丰富，充裕9．commandn．命令；控制；掌握vt.命令；指挥；控制→commandern．负责人；司令官，指挥官10．assumptionn．假定，假设→assumevt.假定，假设→assumedadj.假定的；假装的11．diverseadj.多种多样的，形形色色的→diversionn．转向；转移；偏离→diversifyvt.使多样化；使变化→diversifiedadj.多样化的；多种多样的12．correspondvi.通信；相一致，符合；相当于→correspondencen．来往信件；联系13．evaluatevt.评估，评价→evaluationn．评估，评价14．referencen．参考，查阅；提到，谈及；介绍信，介绍人→refervi.参考；提到；指的是15．accuracyn．准确性；精确度→accurateadj.正确无误的；准确的，精确的31．avarietyof各种各样的2．keepintouchwith...与……保持联系3．infavorof支持4．haveaneffecton对……有影响5．atsomeone’scommand受某人支配6．communicatewith...与……交流7．focuson集中注意力于8．bebasedon建立在……的基础上9．searchfor寻找，寻求10．dropout退学，辍学；退出，脱离11．turntosomebody/something向……求助1．which引导定语从句TherearetwomainpointswhichmustbeincludedwhenweanalysetheInternet.我们对因特网进行分析的时，必须包含两个要点。2．v.­ing形式作主语TheyclaimthatsurfingtheInternetisawasteoftime.他们声称上网浪费时间。3．与现在事实相反的虚拟语气WithouttheInternet，thesepeoplewouldhavefeweravenuestomeetpeople.如果没有因特网，这些人与别人交往的途径就会更少。4．that引导表语从句OnegreatstrengthoftheInternetisthatitprovidesinformation．因特网的一大好处就是它能提供信息。ⅠScanthetextandchoosethebestanswer.1．Whataspectdoesn’tthefirstspeakermention?A．Weatherforecasts.B．Academicresearch.C．Onlinemovie.D．Travelpackages.2．TheprimaryuseoftheInternetaccordingtoasurveydoneintheUSAis________．A．toadvanceknowledgeabouthobbiesB．toacquireknowledgefromtheinformationinlibrariesandmuseums4C．tocommunicatewithexpertsonallsortsoftopicsD．togatherinformation3．WhatisthemostimportantthinginbuildinganInternetfriendship?A．Commoninterests.B．Appearance.C．Age.D．Popularity.4．Accordingtothepassage“TheInternethasnegativeeffectsonourlives”，LiLeimightsupporttheideaof________．A．keepingawayfromtheInternetcaféB．banningstudentsfromusingtheInternetC．notsearchingforinformationontheInternetD．gettinginformationintraditionalways答案：1－4.CDADⅡReadthetextcarefullyandanswerthefollowingquestions.1．Whatisthefirstsourcepeopleturntowhentheyneedinformationaccordingtothefirstspeaker?________________________________________________________________________答案：TheInternet.2．WhydoesthefirstspeakerthinktheInternetisapositivetool?________________________________________________________________________答案：Becauseitisofgreatusetopeoplelookingforinformationandpeoplecanuseittobuildsocialbonds.3．WhatnegativeeffectsdoestheInternethaveonourlivesaccordingtothesecondspeaker?________________________________________________________________________答案：TheInternethastoomuchinformationthathasnotbeenevaluatedforaccuracyanditisaffectingpeople’sprivatelives.4．WhyisthehugeamountoffalseinformationontheInternettroublesome?________________________________________________________________________答案：Becausewecan’talwaystellwhethertheinformationistrueornot.ⅢAnalyzethefollowingdifficultsentencesinthetext.1．ThemaindrawbacksoftheInternetIwilladdresstodayarethatithastoomuchinformationthathasnotbeenevaluatedforaccuracy,andthatitistransformingthewaypeoplespendtheirtime.5本句是一个十分复杂的主从复合句。主语是ThemaindrawbacksoftheInternet;Iwilladdresstoday是_