英语专业综合教程2unit13Focusonglobalwarming省公开课金奖全国赛课一等奖微课-豆柴文库

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Unit131.Whataresomeoftheenvironmentalproblemsintoday’sworld?2.Whatiscausingtheenvironmental
problems?3.Whatshouldwedotoprotect
ourenvironment?Environmentalprotectionorganizationsalargeinternationalpressuregroupthataimstoprotecttheenvironment.Itsmembersarewell-knowfortakingdirectactionandputtingtheirownlivesindangerinordertostoppeoplefromharmingtheenvironment.Forexample,theyoftengooutinsmallboatstostoppeoplefromkillingwhalesorthrowingpoisonousmaterialsintothesea.



aUSgovernmentorganizationthatestablishedrulesandstandardsforprotectingtheenvironment,e.g.againstpollution.MyThoughtsonEnvironmentalProtection1.Whatisthefunctionofozone?
A.protectusfromradiationfromthesun
B.useasdisinfects(消毒剂)
C.purifytheair
2.Theresearchwasbasedontheinformationgatheredby_____?
A.satellites
B.equipmentonEarth
C.Both
3.Thefindingsoftheresearchshowsthat_______.
A.lossofozoneslows
B.theozonelayerhasrecovered
C.ozoneisgainedintheatmosphere
4.WhichisNOTTRUEabouttheMontrealProtocol?
A.Itrestrictstheuseofanumberofchemicalswhichdestroyozone.
B.Itisaninternationaltreatyfrom1930s.
C.ItisworkingbyreducingC-F-Cpollution.scriptThatisaninternationaltreatyfromnineteen-eighty-seventorestoretheozonelayer.Thetreatyrestrictstheuseofanumberofchemicalsthatdestroyozone,likechlorofluorocarbons,orC-F-C's.
WideuseofC-F-C'sbeganinthenineteen-thirties.Theybecamepopularcoolantsindevicessuchasrefrigeratorsandairconditioners.C-F-C'sremainintheatmosphereforyears.
MisterNewchurchsaysthestudyprovidesevidencethattheMontrealProtocolisworkingbyreducingC-F-Cpollution.Butthestudyfoundtheozoneimprovementonlyintheupperstratosphere.Thescientistshavenotyetseenevidenceofsimilarchangesinthelowerstratosphere.Thatholdsmostoftheprotectiveozone.
Globalstudy
1.(Para1-2)makesupthe1stpartwhichservesastheintroductionofthewholepassage.Theauthormentionshowglobalwarming,whichusedtoatopicofacademicjournals,hasbecomeamatterofincreasingpublicconcern.Thisconcernisjustifiedbypublicfearsabouttheconsequencesofglobalwarming.DetailstudyLanguageworkper