2020_2021学年新教材高中英语话题三网络作业与检测含解析新人教版必修第二册

话题三　网络Ⅰ.阅读理解ASince the Internet came into homes，the daily life has never been the same again. But th

话题三网络 Ⅰ.阅读理解 A SincetheInternetcameintohomes，thedailylifehasneverbeenthesame again.Butthethingthatworriesmostofusisthatwecangetvirusesfromthe Internet.Butcanwecatchvirusesonourcellphones?Anewstudyinthe Science journalsaysyes，butthespreadofsuchmobilesoftwarethatcanbring harmtoourcellphoneswon'treachdangerouslevelsuntilmorecellphonesare onthesameoperatingsystem. Computersareeasilyattackedbyvirusesbecausetheysharedata，especially overtheInternet.Ofcourse,nowadays，morepeopleareusingtheircellphones moreandmorefrequently.Theyusethemforemailing，textmessagingand downloadingringtones,etc.,soitisevidentthatcellphonevirusesarea threataswell. Scientistsusednamelesscalldatafrommorethansixmillioncellphone userstohelpmodelapossibleoutbreak.Andtheyconcludedthatvirusesthat spreadfromphonetophonebyBluetootharenotmuchconcerned，becauseusers havetobeinclosephysicalrelationfortheirphonesto“see”oneanother. However,virusesthatspreadthroughmultimediamessagingservicescanmovemuch disguise faster，becausetheycancomein(伪装),suchasacooltunesentbya victims friend.Thegoodnewsisthattobeeffective，thesevirusesneedtheir (受害人)toallusethesameoperatingsystem，whichnotenoughofusdo.Thank goodness. 1．Whatisthepassagemainlyabout? A．Theoperatingsystemofcellphones. B．Thethreatofcellphoneviruses. C．Thewideuseofcellphones. D．Computerviruses. 2．When________，cellphonevirusescanbedangerous. A．allthecellphonesworkonthesameoperatingsystem B．Microsoftoperatingsystemforcellphonesiscreated C．userscanseeeachotheronthephones D．Bluetoothiswidelyused 3．WhatcanweinferaboutBluetoothaccordingtothescientists? A．Itcanincreasethechancesofcellphonevirusesgreatly. B．Itcanhelpustostopthespreadingofcellphoneviruses. C．Itwon'tpossiblycausetheoutbreakofcellphoneviruses. D．Itcanmakeusershaveclosephysicalrelationwithoneanother. B Ahomecomputernotonlyhelpschildrenmastertheoldwaysoflearning，but alsoopensuppossibilitiesthatsimplyaren'tavailableintraditional