2019高考英语一轮基础步练unit22environmentalprotection（含解析）北师大版

《2019高考英语一轮基础步练unit22environmentalprotection（含解析）北师大版》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit22EnvironmentalProtection李仕才【阅读理解】  TheInternethasledtoahugeincreaseincredit-card(信用卡)fraud.Yourcardinformationcouldevenbeforsaleinanillegalwebsite(非法网站).   Websitesofferingcheapgoodsandservicesshouldberegardedwithcare.   On-lineshopperswhoentertheircredit-cardinformationmayneverreceivethegood

2、stheythoughttheybought.Thethievesthengoshoppingwithyourcardnumber—orselltheinformationovertheInternet.Computerhackers(黑客)havebrokendownsecurity(安全)systems,raisingquestionsaboutthesafetyofcardholderinformation.Severalmonthsago,25,000customersofCDUniverse,anon-linemusicretailer(零售商),werenotlucky.The

3、irnames,addressesandcredit-cardnumberswerepostedonawebsiteaftertheretailerrefusedtopayUS$157,828togetbacktheinformation.   Credit-cardfirmsarenowfightingagainston-linefraud.Mastercardisworkingonplansforweb—onlycreditcard,withalowercreditlimit.Thecardcouldbeusedonlyforshoppingon-line.However,therea

4、reafewsimplestepsyoucantaketokeepfrombeingcheated(欺骗).   Askaboutyourcredit-cardfirm’son-linerules:UnderBritishlaw,cardholdershavetopaythefirstUS$78ofanyfraudulent(欺骗性的)spending.   Andshoponlyatsecuresites;sendyourcredit-cardinformationonlyifthewebsiteoffersadvancedsecuresystem.Ifthesecurityisinpl

5、ace,aletterwillappearinthebottomright-handcornerofyourscreen.Thewebsiteaddressmayalsostarttheextra“s”standsforsecure.Ifindoubt,giveyourcredit-cardinformationoverthetelephone.   Keepyourpassword(密码)safe:Mostonlinesitesrequireausernameandpasswordbeforeplacinganorder.Treatyourpasswordswithcare.1.What

6、domostpeopleworryabouttheInternetaccordingtothispassage?A.Alotofstolencredit-cardsweresoldontheInternet.B.FraudontheInternet.C.Manywebsitesaredestroyed.D.ManyillegalwebsitesareontheInternet.2.Whatisthemeaningof“fraud”?A.Cheating.B.Sale.C.Payment.D.Safety.3.Howcanthethievesgettheinformationofthecre

7、ditcard?A.Thecustomersgivethemtheinformation.B.Thethievesstealtheinformationfromwebsites.C.Thecustomersselltheinformationtothem.D.Thethievesbuytheinformationfromcredit-cardfirms.4.Youareshoppingonasitestartingand