p;1)Carbondioxideisthemain_______intheatmosphere.
A.gasthatcanformacidrain
B.greenhousegas
C.gasthatwilldamagetheozonosphere
D.gasthatcanformcloudtorain
2)Deforestationwillresultintheincreaseof_______.
A.carbondioxideB.carbonoxide
C.sulfurdioxideD.CFC
3)Apartfromthenaturalfactorsthatdamagetheozonosphere,thehumanbeing’sbreak-downofozonemainlyrefersto_______.
A.thereleaseofcarbonoxideB.thereleaseofcarbondioxide
C.thereleaseofCFCD.thereleaseofnitrogenoxide
4)Intheatmosphere,ozonosphereliesinthe______.
A.troposphereB.stratosphereC.mesosphereD.hydrosphere
5)TheacidraininChinaismainlysulfatedacidrainbecause_____.
A.weburnwoodformainenergy
B.weburncoalformainenergy
C.wehavepowerstationpropelledbyfire
D.ourpowerstationpropelledbywater
2.choosethetworightanswersfromA,B,CandD.
1)Theartificialreasonsfortheincreaseofcarbondioxideintheatmosphereare_____.
A.burningoffossilfuels
B.constructionofpowerstation
C.deforestation
D.theseaispolluted
2)Thedirectreasonsforglobalwarmingtoraisethesealevelare______.
A.therewillbemorerivers
B.morerainfallandlessevaporation
C.oceanwaterexpandduetotheincreaseoftemperature
D.meltedpolaricemakesthesealevelrise
3)Thedamageoftheozonosphereresultin_______.
A.morepeoplewillhaveskincancer
B.rainstormsinthewholeworld
C.globaldrought
D.damageoftheecologicenvironmentandagriculture
4)Thegasesthatwillformacidrainare_______.
A.carbondioxideB.sulfurdioxide
C.nitrogenoxideD.carbonoxide
5)Theaffectsthatacidrainresultinare_______.
A.acidifythesoil
B.morepeoplegetskincancer
C.acidifywaterintheriversandcausefishtodie
D.decayinbuildingsandculturerelics
4.homework(课后练习)
Answerthefollowingquestionsaccordingtothetext:
Part1globalwarming:
6)Whatarethemainproblemsofatmosphericenvironmenttoday?
______________________________________________________________________________
7)Istheglobalwarmingonlyduetonaturalreasons?
_____________您现在访问的是中国学科吧旗下教案网http://www.jsfw8.com/jafs/
_________________________________________________________________
8)What’stheartificialreasonthatmakestheairtemperaturerise?
______________________________________________________________________________
9)Inwhatwayscanthehumanbeingsincreasecarbondioxideintheatmosphere?
______________________________________________________________________________
______________________________________________________________________________
10)Howdoesthesealevelrise?(therearetwoways,whatarethey?)
______________________________________________________________________________
11)Whatwillbeaffectedwhentherainfallandhumidityconditionsaroundtheworldchange?
12)Whatarethemeasurestoreducetheamountofreleasedcarbondioxide?
______________________________________________________________________________
______________________________________________________________________________
Part2thedamageandprotectionofozonosphere
13)What’stheartificialreasonforthereductionoftheamountofozoneinthestratosphere?
______________________________________________________________________________
14)Iftheamountofultravioletraysreachingtheearthsurfaceincreases,whataretheharmfulaffects?
__________________________________________________________________________________
15)Whatcanwedotoprotecttheozonosphere?
______________________________________________________________________________
______________________________________________________________________________
Part3thedamageandpreventionofacidrain
16)Whatisgenerallycalledacidrain?
______________________________________________________________________________
17)Howdoesacidraincomingintobeing?
___________________________________________________________________________
18)WhyisacidraininChinasulfated?
______________________________________________________________________________
19)InwhatpartofChinadotheareashavebeenchangedintoacidrainareas?
_____________________________________________________________________________
20)Whataretheharmfulaffectsofacidrain?
_____________________________________________________________________________
_____________________________________________________________________________
21)Howcanwepreventandcontrolacidrain?您现在访问的是中国学科吧旗下教案网http://www.jsfw8.com/jafs/