2019高考英语一轮达标unit4astronomythescienceofthestars练题含解析新人教版必修

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1、Unit4Astronomythescienceofthestars李仕才一、阅读理解。阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。OneofthemaincreatorsoftheWorldWideWeb，SirTimBernersLeehaswarnedthatthefastgrowthoftheInternetisalsocreatingseriousproblems.HeespeciallywarnsoffalseinformationbeingeasilyspreadaroundtheInternet，“Agreatdangerist

2、hatitbecomesaplacewhereuntruthsstarttospreadmorethantruths，oritbecomesaplacewhichbecomesincreasinglyunfairinsomeway.”Inparticularhementionsthephenomenaofblogging.Bloggingenablesfriendsandcontactstoeasilyspreadinformation.Howeverhearguesthatpeoplemaytooeasilytrustinformationmentionedinabl

3、og.ThisinaccurateinformationcantheneasilybecomeanacceptedtruthontheInternet.HesuggeststhatthemostimportantdevelopmentoftheInternetwillbeincreatingwaysofallowingpeopletocheckthecorrectnessofinformationbyprovidingoriginalsources.SirTimadmitsthatthisisanimportantchallenge.It'sinterestington

4、otethatWikipedia(维基百科)hashadtotakestepstopreventfalseinformationfrombeingaddedtothebiographiesoflivingpeople.It'seasyforanybodytoedittheopensource.However，somepeoplehavepointedoutthatithasbeenusedtospreadfalsematerials.Inseekingtoraisestandards，Wikipediahassoughttostopthefalsematerials.A

5、tthesametimethereisagrowingviewthattheInternethashadagreateffectonthewaymillionsofpeoplework.ThelasttwoyearshaveseenabiggrowthintheuseoftheInternet.ThereappearsnoslowdowninthegrowthoftheInternetwithincreasingaccessinthedevelopingcountries.SirTimsaysanothermajorchallengewillbetoprovidefre

6、eInternetforeverybody.SirTimhasrecentlylaunchedanewjointinitiative(倡议)betweentheUniversityofSouthamptonandtheMassachusettsInstituteofTechnologytocreatethefirstdegreeinWebscience.Thetwoschoolshopetoraisethestandardsofwebcontent.1．WhatistheespeciallyseriousproblemthatSirTimrefersto?A．Thegr

7、owthoftheInternetistoofast.B．TheInternethasasideeffectonyoungchildren.C．TheInternetcompaniescompeteagainsteachotherinanunfairway.D．ThefalseinformationspreadsrapidlyontheInternet.2．Whatcausesthebiographiestohavefalseinformation?A．TheInternetusersrefusesotheruserstocorrectt