while jennifer was at home taking an online exam 阅读理解答案与解析

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1、WhileJenniferwasathometakinganonlineexam阅读理解答案与解析　　WhileJenniferwasathometakinganonlineexamforherbusinesslawclass,amonitor(监控器)afewhundredmilesawaywaswatchinghereverymove.　　UsingawebcameraequippedinJennifer’sLosAngelesapartment,themonitorinPhoenixtrackedhowfrequentlyhereyesmo

2、vedformthecomputerscreenandlistenedforthesecretsoundsofapossiblehelperintheroom.HerInternetaccesswaslocked—remotely—topreventInternetsearches,andhertypingstylewasanalyzedtomakesureshewaswhoshesaidshewas:Didsheenterherstudentnumberatthesamespeedasshehadinthepast?Orwassheslowin

3、gdown?　　Inthebattleagainstcheating,thisisthecuttingedgeandakeytoencouragehonestyintheboomingfieldofonlineeducation.Thetechnologygivestrusttotheentiresystem,totheinstitutionandtoonlineeducationingeneral.Onlywithsolidmeasuresagainstcheating,expertssay,canInternetuniversitiessho

4、wthattheirexamsanddiplomasarevalid—thatstudentshaven’tjustsearchedtheInternettogettherightanswers.　　Althoughonlineclasseshaveexistedformorethanadecade,theconcernovercheatinghasbecomesharperinthelastyearwiththegrowthof“openonlinecourses.”Privatecolleges,publicuniversitiesandco

5、rporationsarejumpingintotheonlineeducationfield,spendingmillionsofdollarstoattractpotentialstudents,whilealsotakingstepstohelpguaranteehonestyatadistance.　　Asidefromthewebcameras,anumberofotherhigh-tichmethodsarebecomingincreasinglypopular.Amongthemareprogramsthatcheckstudent

6、s’identitiesusingpersonalinformation,suchasthetelephonenumbertheyonceused.　　Otherprogramscanproduceuniqueexambydrawingonarangelistofquestionsandcanrecognizepossiblecheatersbyanalyzingwhetherdifficulttestquestionsareansweredatthesamespeedaseasyones.Asinmanyuniversityclasses,te

7、rmpapersarescannedagainstsomelargeInternetdatabanksforcheating.　　41.WhywasJenniferwatchedinanonlineexam?　　A.Tocorrecthertypingmistakes.　　B.Tofindhersecretsintheroom.　　C.Topreventherformslowingdown.　　D.Tokeepherfromdishonestbehaviors.　　42.Theunderlinedexpression“cuttingedge”in

8、Paragraph3isclosestinmeaningto______.　　A.advancedtechniqueB.sharpeni