2019版一轮英语（人教版）（话题部分）练习：选修七 Unit 5 Travelling abroad

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1、Ⅰ.阅读理解AHowoftenhaveyoureadastorythatafriendorfamilymemberhassentyou？Verylikelyyouwouldhaveskippedthenewshaditnotbeenpointedouttoyou.TraditionallynewspapersandfamousTVchannelshavebeenoursourceofauthenticnews.Butthesedayswiththepopularityofsocialmedia，sh

2、aringstoriesisincreasinglybecomingafavoritesourceofnews.Infact，researchsuggeststhatmorethanhalfthepeoplegettheirnewstodayfromsocialmediasuchasFacebook，TwitterandGoogle.Socialmediasitesoftenaggregatecontentsforustoseebasedontrendingtopics—storiesthathav

3、ebeenviewedbymanyothersaswellasbasedonourownpastsearchesandanalysisofourlikesanddislikes.Ifyouhavelikedkittensinthepast，youmayhavenoticedthatyouareseeingmorenews，blogsandanalysisaboutkittensallofasudden.Whileadvocatesoffreespeechdonotwanttocontrolanyvo

4、ice，itiscertainlyharmfulwhenitisdifficulttoseparatetruthfromfiction.Imaginetheinfluenceoffake(虚假的)newswhenitbeginstoaffectourownlives.Trustingapieceofnews，patientscouldveryeasilyfallforwrongdiagnosis;elderscouldgivemoneytocheatsandreputationofperfectly

5、uprightcitizenscouldbeeasilyruined.Whataboutwhenweresearchforaschoolprojectandbaseouranalysisonfalseinformationornews?MarkZukerberghasfinallyacknowledgedtheissue.Amongseveralprojectsthatthecompanyisconsidering，Facebookistryingtotakepowerfulmeasurestocr

6、ackdownonfalsenews.Thiswouldincludewarninglabelsonfakecontents.Fakenewsalsomakesalotofprofitsfromadvertising.GoogleandFacebookhavesaidtheywilllimitadvertisingprofitsontheirnetworkfromsuchsites.Thebottomline—don'tbelieveeverywordofwhatyouread.Domorerese

7、archfrommultiple(多样的)sourcestoensurethatthenewsisindeedtruebeforeyousharewithothers.[语篇解读]　本文为一篇说明文。现在社交媒体充斥着大量虚假信息，这些信息的传播对人们的生活危害很大。为了治理这种现象，一些社交媒体已经采取了一些措施。1．Whatdoestheunderlinedword“aggregate”inParagraph3probablymean?A．Analyze.　　　　　　B．Cancel.C．Gat

8、her.D．Rewrite.解析：词义猜测题。根据第三段最后一句可推知：社交媒体经常根据用户的浏览、搜索信息为用户收集信息，由此可见aggregate意为：gather(收集)。analyze“分析”；cancel“取消”；rewrite“改写”。答案：C2．WhatcanweinferfromParagraph4?A．Peopletendtobelievethenewsonsocialmedia.B．Falsenewsisfashionableonsocialmed