2019-2020年高考英语二轮复习 阅读理解精炼（2）

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1、2019-2020年高考英语二轮复习阅读理解精炼（2）阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项。Housesfalldown.Treesfallover.Largeholesformintheground.CouldAlaskabesinking?　That’swhatsomevillagersinAlaskahavebeenaskingthemselvesrecentlyandscientiststhinktheyknowwhy.WarmertemperaturesmaybecausingAlaska’sfrozengroundtothaw(解冻).Abo

2、ut85percentofAlaska’slandsurfacehaspermafrost(永久冻结带).Permafrostsupportsthegroundaboveit—includingtrees,houses,androads.Butwhyisthepermafrostthawing?Somescientistssaythathuman-causedpollutionisleadingtoglobalwarming.AndmostscientistsagreethatAlaskahasbeengettingwarmer.Theysaythatthewarmertemperaturei

3、scausingpermafrosttothawinsomeareas.Thethawingpermafrostcancauseproblemsforpeople,plants,andanimals.Thecollapsing(倒塌)isaprobleminthevillagesinAlaskawhicharebuiltonpermafrost,andsomeofthemmayhavetomovetosaferground,wherethereisnopermafrost.TheAlaskantownofGlennallensawitsoldpostofficecollapse.And,acc

4、ordingtoJamesWalters,apermafrostexpertattheUniversityofNorthernIowa,house-movingpanieshavebeenverybusy.“Meltingpermafrostcanalsodestroytreesandforests,”Walterssaid.“Whenholesinthegroundform,treesfallintothemanddie.Thiscouldturnaforestintoaswamp(沼泽),andanimalswhichneedtheforestswillhavetomoveelsewher

5、e.”“Themeltingcouldcausesevereproblems.”Walterssays,“Thiscouldtakehundredsofyears,butintheendAlaskawilllookquitedifferentfromwhatitlookslikenow.”1.Whichofthefollowingcanbeusedasthebesttitleofthepassage?A.Alaska—AFrozenLandB.IsAlaskaSinking?C.PollutionandGlobalWarmingD.AlaskaIsPolluted2.Themainreason

6、whypermafrostisthawingisthat______.　A.thetemperatureinAlaskaisrisingB.peopleinAlaskadon’ttakecareofpermafrostC.toomanyhousesarebuiltonpermafrostD.peopleinAlaskapollutedpermafrost3.ThefollowingaretheresultsofmeltingpermafrostEXCEPT______.　A.holesforminthegroundB.aforestwillbeturnedintoaswampC.someani

7、malshavetogoelsewhereD.morewaterwillbeneededbypeopleandanimals4.WhichofthefollowingisNOTtrueaccordingtothepassage?A.Whenpermafrostmelts,houseswillfalldown.B.House-movingpaniesarebusybecausetheirhouses