【英语阅读题,帮忙看下是答案印错还是我错?PeoplelivingonpartofthesouthcoastofEnglandfaceaseriousproblem.theownersofalargehotelandofseveralhousesdiscovered,totheirhorror,thattheirgardenshaddisappearedove】

　　英语阅读题,帮忙看下是答案印错还是我错?

　　PeoplelivingonpartofthesouthcoastofEnglandfaceaseriousproblem.theownersofalargehotelandofseveralhousesdiscovered,totheirhorror,thattheirgardenshaddisappearedovernight.Theseahadeatenintothesoftlimestonecliffsonwhichtheyhadbeenbuilt.Whileexpertswerestudyingtheproblem,thehotelandseveralhousesdisappearedaltogether,slidingdownthecliffandintothesea.

　　Erosion(侵蚀)ofthewhitecliffsalongthesouthcoastofEnglandhasalwaysbeenaproblem,butithasbecomemoreseriousinrecentyears.Dozensofhomeshavehadtobeabandonedastheseahascreptfartherandfartherinland.Expertshavestudiedtheareasmostaffectedandhavedrawnupamapforlocalpeople,forecastingtheyearinwhichtheirhomeswillbeswallowedupbythehungrysea.

　　AngryownershavecalledontheGovernmenttoerectseadefensestoprotecttheirhomes.Governmentsurveyorshavepointedoutthatinmostcases,thisisimpossible.Newseawallswouldcosthundredsofmillionsofpoundsandwouldmerelymakethewavesandcurrentsgofurtheralongthecoast,shiftingtheproblemfromoneareatoanother.Thedangerislikelytocontinue,theysay,untilthewavesreachaninlandareaofhardrockwhichwillnotbeeatenaslimestoneis.Meanwhile,ifyouwanttobuyacheaphousewithanuncertainfuture,applytoahouseagentinoneofthethreatenedareasonthesouthcoastofEngland.Youcangetahouseforaknockdownpricebutitmayturnouttobeaknockdownhome.

　　61.WhatisthecauseoftheproblemthatpeoplelivingonpartsofthesouthcoastofEnglandface?

　　A.Therisingofthesealevel.B.Theexperts'lackofknowledge.

　　C.Thewashingawayoflimestonecliffs.D.Thedisappearanceofhotels,housesandgardens.

　　62.TheerosionofthewhitecliffsinthesouthofEngland________.

　　A.willsoonbecomeaproblemforpeoplelivingincentralEngland

　　B.hasnowbecomeathreattothelocalresidents

　　C.canbestoppedifpropermeasuresaretaken

　　D.isquicklychangingthemapofEngland

　　63.Theexpertsstudyontheproblemoferosioncan________.

　　A.warnpeoplewhosehomesareindangerB.provideaneffectivewaytoslowitdown

　　C.helptoit