2019版高考英语一轮基础习选题unit4astronomythescienceofthestars含解析新人教版

2019版高考英语一轮基础习选题unit4astronomythescienceofthestars含解析新人教版

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时间:2019-04-21

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1、Unit4Astronomythescienceofthestars李仕才一、阅读理解。TheInternetplaysabigpartinhumanlife.Weuseitforworkandentertainment.WecanfindnewrecipesontheInternetoradviceonstayinghealthy.Wecanevenuseittolearnanewlanguage.WeusetheInternettoconnectwithfamilyandfriendsandstay

2、intouchwithissueswecareabout.Thelistgoesonandon.AsfarastheInternetbeingapartofourlives—well,thattrainhasleftthestation.Thatexpressionmeansthereisnogoingback.Ifyoupreferboating,youcansaythatshiphassailed.So,theremaybenogoingbacktoanInternet-freelife.Butca

3、nusingtheInternettoomuchbebadforourhealth?Itmightbe,sayresearchers.Studyresultsshowthatteenswhospendatleast14hoursaweekonlineweremorelikelytohavehighbloodpressure.Highbloodpressuremakesyourheartandbloodvesselsworktoohard.Overtime,thisextrastrainincreases

4、yourriskofaheartattackorstroke.Highbloodpressurecanalsocauseheartandkidneydisease.Itisalsocloselylinkedtosomeformsofdementia,abraindisease.Dementiaismarkedbymemorydisorders,personalitychanges,andareducedabilitytoreason.Let’sintroducesomethingaboutthestud

5、yofit.TheHenryFordHospitalinDetroit,Michigandidthestudy.Itinvolved335youngpeople,from14to17yearsold.Onehundredthirty-fouroftheteensweredescribedas“heavyInternetusers”.Researchersfoundthatoutofthese134teens,26hadhighbloodpressure.Theresearcherssaythestudy

6、isthefirsttoconnectheavywebuseandhighbloodpressure.OtherresearchhasconnectedthatheavyInternetusewithhealthproblemsincludinganxiety,depressionandobesity.TheleadresearcherofthestudyisAndreaCassidy-Bushrow.Inastatementshesaid,“UsingtheInternetispartofourdai

7、lylifebutitshouldn’tconsumeus.”Forthepurposeofthestudy,sheexplains,teensconsideredheavyInternetuserswereonlineon“average25hoursaweek.”MsCassidy-Bushrowaddsthatitisimportantforteenstotake“regularbreaksfromtheircomputersorsmartphones”andtodosome“kindofphys

8、icalactivity.”Shealsosuggeststhatparentslimittheirchildren’suseoftheInternettotwohoursaday,fivedaysaweek.【文章大意】互联网如此有用并且融入我们的生活,但过度使用它,会导致多种健康问题。1.Thefirsttwoparagraphsmeanthat________.A.thelistofthefunctionoftheInternetis

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