【Thereisadefinitepossibilitythattheclimateoftheworldmaybechanging.Somescientistsimaginethatthiscouldevenmeanthebeginningofanothericeage.Theeffectsofsuchachangeinclimateonthehumanpopulationoftheworldwouldbesta】
Thereisadefinitepossibilitythattheclimateoftheworldmaybechanging.Somescientistsimaginethatthiscouldevenmeanthebeginningofanothericeage.Theeffectsofsuchachangeinclimateonthehumanpopulationoftheworldwouldbestartling(惊人的).
Recentresearchsuggeststhatthegeneralwarmingtendofthepasthundredyearsorsomaybecomingtoanend.Duringthepasttenyears,meteorologiststellustheaveragetemperatureoftheearthhasdroppedaboutonedegreeFahrenheit.Thisdoesnotseemlikemuch,butitcouldhaveeffectsonwindandrainpatternswhichinfluencetheoverallweatherpicture.Ifthesepatternschangealot,itcouldmeanthatcertainregionsoftheworldmaycontinuetohavelongdroughtswhileotherswillpossiblysufferfromwidespreadflooding.
Whatregulates(调节)theclimateisnotexactlyknown.Meteorologistsbelievethatcloudsmaybeanimportantfactorinregulatingtheamountofsolar(太阳的)heatheldbytheearth,whichinturndetermineshetemperatureoftheplanet.Anotherpossibilityisthatman’sindustrialandagriculturalmethodsmaybeaffectingthenaturalweatherpatterns.However,theweatherisnotunderstoodwellenoughforscientiststosayforcertainwhatishappeningtotheclimateandwhatsideeffectsthiswillactuallyhaveontheword’spopulation
1.Accordingtothetext,theclimateoftheworldseemsto______.
A.begettingcolder
B.begettingwarmer
C.remainthesameinthepasttenyears
D.havegoodeffectsontheworld’spopulation
2.Accordingtowhatyouhaveread,Whichofthefollowingisturn?
A.Man’sactivitieshavenoeffectontheclimate.
B.Anothericeagewillcomesoon.
C.Peopledon’tcareaboutthechangingclimate.
D.Scientistsarenotyetsureaboutthereasonforthechangingclimate.
3.Ameteorologistisapersonwho______.
A.readsweatherforecastsonradioortelevision
B.thinkstherewillbeanothericeage
C.studiesandknowsabouttheweather
D.believestherewillbewidespreadflooding
4.Whichofthefollowingmaybefactorsthataffectthenaturalweatherpatterns?
A.Clouds
B.Theamountofheattheearthrec