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  PeoplelivingonpartsofthesouthcoastofEnglandfaceaseriousproblem.In1993theownersofalargehotelandofseveralhousesdiscoveredtotheirhorrorthattheirgardenshaddisappearedovernight.Theseahadeatenintot

  PeoplelivingonpartsofthesouthcoastofEnglandfaceaseriousproblem.In1993theownersofalargehotelandofseveralhousesdiscoveredtotheirhorrorthattheirgardenshaddisappearedovernight.Theseahadeatenintothesoftlimestone(石灰石)cliffsonwhichtheyhadbeenbuilt.Whileexpertswerestudyingtheproblemthehotelandseveralhousesdisappearedaltogetherslidingdownthecliffandintothesea.

  Erosion(侵蚀)ofthewhitecliffsalongthesouthcoastofEnglandhasalwaysbeenaproblembutithasbecomemoreseriousinrecentyears.Dozensofhomeshavehadtobeabandonedastheseahascreptfartherandfartherinland(向内陆).Expertshavestudiedtheareasandmostaffectedandhavedrawnupamapforlocalpeopleforecastingtheyearinwhichtheirhomeswillbeswallowedupbythehungrysea.

  Angryownershavecalledonthegovernmenttoerectseadefensestoprotecttheirhomes.Governmentsurveyorshavepointedoutthatinmostcasesthisisimpossible.Newseawallswouldcosthundredsofmillionsofpoundsandwouldmerelymakethewavesandcurrentsgofurtheralongthecoastshiftingtheproblemfromonareatoanother.Thedangerislikelytocontinuetheysayuntilthewavesreachaninlandareaofhardrockthatwillnotbeeatenaslimestoneis.MeanwhileifyouwanttobuyacheaphousewithanuncertainfutureapplytoahouseagentinoneofthethreatenedareasonthesouthcoastofEngland.Youcangetahouseforaknockdownpricebutitw=mayturnouttobeaknockdownhome.

  1.WhatisthecauseoftheproblemthatpeoplelivingonpartsofthesouthcoastofEnglandface?

  A.TherisingofthesealevelB.Theexperts’lackofknowledge.

  C.Thewashing-awayoflimestonecliffs. D.Thedisappearanceofhotelshousesandgardens.

  2.Theexperts’dutyontheproblemoferosioncan_____.

  A.warnpeoplewhosehomesareindanger. B.provideaneffectivewaytoslowitdown.

  C.helptopreventitfromworsening. D.leadtoitseventualsolution.

  3.Itisnotpracticaltobuildseadefensestoprotectagainsterosionbecause______.

  A.houseagentsalongthecoastdonotsupporttheidea.

  B.itistoocostlyandwillendangerneighboringareas.

1回答
2020-04-30 05:02
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黄龙杨

  1.D2.A3.D4.B

2020-04-30 05:06:34

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