高二英语阅读理解(科普环保)模拟试题及解析.doc

高二英语阅读理解(科普环保)模拟试题及解析

一、高中英语阅读理解科普环保类
1．犇犇阅读下列短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。
Ateamofinternationalscientistsisduetosetofffortheworld'sbiggesticeberginamissionaimingtoanswerfundamentalquestionsabouttheimpactofclimatechangeinthepolarregions.Thescientists,ledbytheBritishAntarcticSurvey(BAS),aretryingtoreachanewlyrevealedecosystemthathadbeenhiddenfor120,000yearsbelowtheLarsenCiceshelf.
Lastyear,partoftheLarsenCiceshelfcalved(崩解)away,formingahugeiceberg-A68—whichisfourtimesbiggerthanLondon,andrevealinglifebeneathforthefirsttime.Nowscientistssayitisaraceagainsttimetoexplorethesenewecosystemsbeforetheyaretransformedtothelight.MarinebiologistDrKatrinLinsefromtheBASisleadingthemission.
"ThecalvingofA68providesuswithauniqueopportunitytostudymarinelifeasitrespondstoahugeenvironmentchange,"shesaid."Itisimportantthatwegettherequicklybeforetheunderseaenvironmentchangesassunlightentersthewater."
ProfessorDavidVaughan,sciencedirectorattheBAs,said,"Weneedtobebold(大胆的)onthisone.LarsenCisalongwaysouthandthere'slotsofseaiceinthearea,butthisisimportantscience,sowewilltryourbesttogettheteamwheretheyneedtobe.HesaidclimatechangehadalreadyaffectedtheseaaroundAntarcticaandiswarmingsomecoastalwaters."Futurewarmingmaymakesomehabitatswarm.Wherethesehabitatssupportuniquespeciesthatareadaptedtolovethecoldandnotthewarm,thosespeciesaregoingtoeithermoveordie."
ThereisgrowingconcernaboutthepossibleimpactofclimatechangeintheAntarctic.Earlierthismonth,areportrevealedthatmeltingicesheetsinGreenlandandAntarcticaarespeedingupthealreadyfastpaceofthesealevelrise.Theresearch,publishedbytheNationalAcademiesofScience,EngineeringandMedicine,said,"Atthecurrentrate,theworld'soceanwillbe,onaverage,atleast60cmhigherbytheendofthecentury."However,itfoundthattheprocessisaccelerating,andmorethanthreequartersoftheaccelerationsince1993isduetomeltingicesheetsinGreenlandandAntarctica,thestudyshows.
（1）Whyarethescientistseagertogototheiceberg?
A.Tostudyhowtheicebergwasformed.
B.Tostudyanewlydiscoveredecosystem.
C.Toexplorean