【谁帮我做下大学英语精读一作业二阅读理解2第二部分：阅读理解-查字典问答网

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　　【谁帮我做下大学英语精读一作业二阅读理解2第二部分：阅读理解（共10小题；每小题3分,满分30分）Passage2ScientistsintheUnitedStateshavedevelopedamethodthatmayhelptopredictearthquakesearlier.Theysay】

　　谁帮我做下大学英语精读一作业二阅读理解2

　　第二部分：阅读理解（共10小题；每小题3分,满分30分）

　　Passage2

　　ScientistsintheUnitedStateshavedevelopedamethodthatmayhelptopredictearthquakesearlier.Theysayitcouldgivepeoplewholiveindeadlyearthquakeareasenoughwarningtoleavebeforeanearthquakehits.

　　Currently,themostmodernsystemsforpredictingearthquakesfindthemonlyashorttimebeforetheevent.Likemoststrongearthquakes,theonethathitsouthwesternChinainMaywasnotidentifiedearlyenoughforpeopletofleethearea.Thatearthquakekilledsixty-ninethousandpeople.

　　ButscientistswhostudyearthquakesarereportingthatnewtechnologycouldmeasureverysmallchangesintheEarth'ssurface.TheirreportwaspublishedthismonthinNaturemagazine.FenglinNiuisaseismologist（地震学家）withRiceUniversityinHouston,Texas.HeandhisteamperformedexperimentsalongCalifornia'sSanAndreasFault（断层）,anareafamousforitsmanyearthquakes.

　　Theteamplacedhighlysensitiveelectricaldevicesaboutonekilometerbelowgroundintwodifferentplaces.ThedeviceswereabletomeasureevensmallchangesinairpressureontheEarth'ssurface.Thescientistssaysuchchangesarecausedwhenrockspushtogether,forcingairoutofsmallcracksintherock.Whenthishappens,seismic（地震的）wavestravelfasterthanusualthroughtherock.（203words

　　1.ThemethoddevelopedbysomescientistsintheUnitedStatescanbeusedto_______.

　　Apreventearthquakes

　　Bwarnpeople

　　Cpredictanearthquake

　　Dfightagainstanearthquake

　　2.WhydidtheearthquakewhichhitsouthwesternChinainMaycausesomanydeaths?

　　ATheearthquakewasverystrong.

　　BTheearthquakewasnotidentifiedearlyenough.

　　CChinadidnotusetheAmericanmethod.

　　DBothAandB.

　　3.WhatisCalifornia'sSanAndreasFaultfamousfor?

　　AEarthquakes