Unit20NewFrontiers(35分钟)Ⅰ.阅读理解A(2017·重庆南开实验中学月考)Peoplearebeinglured(引诱)ontoFacebookwiththepromiseofafun,freeservicewithoutrealisingthey’repayingforitbygivinguplargeamountsofpersonalinformation.Facebookthenattemptstomakemoneybysellingtheirdatatoadvertisersthatwanttosendtargetedmessages.MostFacebookusersdon’trealisethisishappening.Eveniftheyknowwhatthecompanyisupto,theystillhavenoideawhatthey’repayingforFacebookbecausepeopledon’treallyknowwhattheirpersonaldataisworth.Thebiggestproblem,however,isthatthecompanykeepschangingtherules.Earlyon,youkeepeverythingprivate.ThatwasthegreatthingaboutFacebook—youcouldcreateyourownlittleprivatenetwork.Lastyear,thecompanychangeditsprivacyrulessothatmanythings—yourcity,yourphoto,yourfriends’names—wereset,bydefault(默认)tobesharedwitheveryoneontheInternet.AccordingtoFacebook’svice-presidentElliotSchrage,thecompanyissimplymakingchangestoimproveitsservice,andifpeopledon’tshareinformation,theyhavea“lesssatisfyingexperience”.SomecriticsthinkthisismoreaboutFacebooklookingtomakemoremoney.Itsoriginalbusinessmodel,whichinvolvedsellingadsandputtingthematthesideofthepage,totallyfailed.Whowantstolookatadswhenthey’reonlineconnectingwiththeirfriends?TheprivacyissuehasalreadylandedFacebookinhotwaterinWashington.InApril,Senator(议员)CharlesSchumercalledonFacebooktochangeitsprivacypolicy.HealsourgedtheFederalTradeCommissiontosetprinciplesforsocial-networkingsites.“Ithinkthesenatorrightlycommunicatedthatwehadnotbeenclearaboutwhatthenewproductswereandhowpeoplecouldchoosetousethemornottousethem,”Schrageadmits.IsuspectthatwhateverFacebookhasdonesofartoinvadeourprivacyisonlythebeginning,whichiswhyI’mconsideringdeactivating(撤销)myaccount.Facebookisahandysite,butI’mupsetbytheideathatmyinformationisinthehandsofpeopleIdon’tknow.That’stoohighapricetopay.1.WhatdowelearnaboutFacebookfromthefirstparagraph?A.Itisawebsitethatsendsmessagestotargetedusers.B.Itmakesmoneybyputtingonadvertisements.C.Itprofitsbysellingitsusers’personaldata.D.Itprovidesloadsofinformationtoitsusers.2.WhydoesFacebookmakechangestoitsrulesaccordingtoElliotSchrage?A.Toimproveitsusers’connectivity.B.TofollowtheFederalguidelines.C.Toofferbetterservicetoitsusers.D.Toexpanditsscopeofbusiness.3.WhatdoesSenatorCharlesSchumeradvocate?A.Workingoutregulationsforsocial-networkingsites.B.Banningthesharingofusers’personalinformation.C.Removingadsfromallsocial-networkingsites.D.Settingguidelinesforadvertisingonwebsites.4.WhydoestheauthorplantocancelhisFacebookaccount?A.Heisdissatisfiedwithitscurrentservice.B.Hedoesn’twanthispersonaldataabused.C.Hefindsmanyofitsseniorexecutivesuntrustworthy.D.Heisannoyedwithitsfrequentrulechanges.B(2018·江苏无锡期中)Anewappistryingtomakeitsimplertohelpyoureacttophotosandvideosthatyourfriendspostonline—it’susingAItocapture(捕捉)yourfacialexpressionsandautomaticallytranslatethemintoarangeofemojifaces.Polygram,whichisfreeandavailableonlyfortheiPhonefornow,isasocialappthatletsyousharethingslikephotos,videos,andmessages.UnlikeonFacebook,though,whereyouhaveasmallrangeofpre-setreactionstochoosefrombeyondclickingalittlethumbs-upicon,Polygramusesaneural(神经的)networkthatrunslocallyonthephonetofigureoutifyou’resmiling,bored,embarrassed,surprised,andmore.MarcinKmiec,oneofPolygram’sfounders,saystheapp’sAIworksbycapturingyourfacewiththefront...