InrecentyearstheEarthhasbeengettingwarmer.Averagetemperatureshaverisen.Possiblythisisnaturalbutprobablywearecausingit．Modernpeopleusealotofelectricityanddrivealotofcars.Thisputscarbondioxideintotheairandhelpstomaketheplanetwarmer.Whenwehearthisnewswemaysmile.NoonelikeslongcoldwintersbutunluckilytherearemanybadpointsaboutawarmerEarth.

FirsttheiceatthePolesmeltsandbecomeswater.Theresultisthatthesealevelbecomeshigher.Lowislandswilldisappear.Citiesonthecoastwillbeindangerfromthesea.WillTokyoBangkokHongKongandShanghaibecomelikepartsofHolland–lowerthanthesea?Possiblywewillhavetobuildwallstokeepthewaterout.Typhoonswillbecomeevenmoredangerousandfrightening.

Sadlythesecondpointisthatstormswillbecomebigger.Super-typhoonswillbeborninthePacificanddogreatdamagetoEastAsia.ThesamewillhappentotheEasternUnitedStates.

Astheweatherchangessomeplacesthatnowhaverainwillbecomedry.Thefarmerswillnotbeabletogrowplants.Maybesomedryplaceswillbecomewet–wedon’tknowbutwewillsoonfindoutandthechangewillcausemanyproblems.Theremightbewarsbecauseofit.

1 WhatwillhappentolowislandswhentheEarthgetswarmerandwarmer?

A.Theywillmeltandbecomewater. B.Theywillbeunderthewater.

C.Theywillbecomehigher. D.Theywillkeepoutthewater.

2 Inthelastsentence“it”refersto________.

A.thechangeofweather B.thepoweroftheUnitedStates

C.theiceatthePoles D.theaveragetemperature

3 Whichofthefollowingsentencesisfalse?

A.ShanghaiwillpossiblybuildwallstopreventthewaterlikepartsofHolland.

B.Thefarmerswillnotbeabletogrowplantsbecauseofthedryweather.

C.Electricityputscarbondioxideintotheair.

D.ThewarmertheEarthisgettingthehighertheaveragetemperatureis.

4 Whichisthebesttitleofthispassage?

A.TheEarthIsGettingWarmer B.GlobalWarmingProblems

C.WeMadetheEarthWarmer