PeoplelivingonpartofthesouthcoastofEnglandfaceaseriousproblem.In1993theownersofalargehotelandofseveralhousesdiscoveredtotheirhorrorthattheirgardenshaddisappearedovernight.Theseahadeatenintotheso

　　PeoplelivingonpartofthesouthcoastofEnglandfaceaseriousproblem.In1993theownersofalargehotelandofseveralhousesdiscoveredtotheirhorrorthattheirgardenshaddisappearedovernight.Theseahadeatenintothesoftlimestones(石灰岩)cliffsonwhichtheyhadbeenbuilt.Whileexpertswerestudyingtheproblemthehotelandseveralhousesdisappearedaltogetherslidingdownthecliffandintothesea.

　　Erosion(侵蚀)ofthewhitecliffsalongthesouthcoastofEnglandhasalwaysbeenaproblembutithasbecomemoreseriousinrecentyears.Dozensofhomeshavehadtoberejectedastheseahascreptfartherandfartherinland.Expertshavestudiedtheareasmostaffectedandhavedrawnupamapforlocalpeopleforecasting(预测)theyearinwhichtheirhomeswillbeswallowedupbythehungrysea.

　　AngryownershavecalledontheGovernmenttosetupseadefensestoprotecttheirhomes.Governmentsurveyorshavepointedoutthatinmostcasesthisisimpossible.Newseawallswouldcosthundredsofmillionsofpoundsandwouldmerelymakethewavesandcurrentsgofurtheralongthecoasttransferringtheproblemfromoneareatoanother.Thedangerislikelytocontinuetheysayuntilthewavesreachaninlandareaofhardrockwhichwillnotbeeatenaslimestoneis.Meanwhileifyouwanttobuyacheaphousewithanuncertainfutureapplytoahouseagent(代理商)inoneofthethreatenedareasonthesouthcoastofEngland.Youcangetahouseforaknockdownpricebutitmayturnouttobeaknockdownhome.

　　1.Whatisthecauseoftheproblemthatpeoplelivingonpartsofthesouthcoastface?

　　A.Therisingofthesealevel.

　　B.Thewashing-awayoflimestonecliffs.

　　C.Theexperts’lackofknowledge.

　　D.Thedisappearanceofhotelshousesandgardens.

　　2.TheerosionofthewhitecliffsinthesouthofEngland________________.

　　A.willsoonbecomeaproblemforpeoplelivingincentralEngland

　　B.hasnowbecomeathreattothelocalresidents(居民)

　　C.canbestoppedifpropermeasuresaretaken

　　D.isquicklychangingthemapofEngland

　　3.Theexperts’studyontheproblemoferosioncan________________.

　　A.warnpeoplewhosehomesareindanger

　　B.helptoitsfinalsolution

　　C.provideane