2018秋高中英语 Unit 4 Global warming同步练习 新人教版选修6

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1、Unit4Globalwarming话题诵读日积月累[导语]　你知道全球变暖会给人类的生活和环境带来哪些变化吗？ShortandLongTermEffectsofGlobalWarming·ClimatechangeGlobalwarmingiscausingthetemperatureoftheearthtoriseslowly，causingmassiveglobalchangestoournaturalenvironment.·RisingsealevelGlobalwarmingisrapidlymeltingglac

2、iersaroundtheglobe，causingarisingsealevelandpossiblycoastalfloodingandotherweatherproblemsinthefuture.·EcosystemchangesGlobalwarmingischangingcertainecosystemsthroughoutduetotemperaturefluctuations.Animalsandplantsarebeingforcedtoadapttothis，and，asaresult，aredyingof

3、f.·BreakdownoftheozonelayerGlobalwarmingiscreatingholesintheozonelayer，primarilyfromhumanuseofproductsthatemitpoisonouschemicals.TheozonelayerabsorbsUVradiationfromthesun.Theholesarecausingamountsofpoisonouschemicalspresentinourbreathingairtoincreaseatarapidrate.[词海

4、拾贝]1．glaciern．冰川2．ecosystemn．生态系统3．fluctuationn．波动4．ozonen．臭氧5．emitvt.发出，放射[问题思考]1．Whateffectsisglobalwarmingcausing?_______________________________________________________2．Isitserioustohaveholesintheozonelayer?______________________________________________________

5、_答案：1.Climatechange，risingsealevel，ecosystemchangesandbreakdownoftheozonelayer.2．Yes，itis.自主预习步步提高词汇识记Ⅰ.将单词与其正确释义连线1．consume　　　　　A．图表；曲线图2．graphB．现象3．phenomenonC．燃料4．fuelD．平均的5．trendE．趋势；倾向6．mildF．温和的；温柔的7．consequenceG．环境；情况8．circumstanceH．贡献9．averageI．消费；消耗10．contr

6、ibutionJ．结果答案：1－I　2－A　3－B　4－C　5－E　6－F　7－J　8－G　9－D　10－HⅡ.根据所给汉语提示写出单词1．____________n．洪水；水灾2．____________vt.反对；反抗3．____________adj.平稳的；持续的4．____________adj.分布广的；普遍的5．____________vt.拥护；提倡，主张6．____________n．污染；弄脏答案：1.flood　2.oppose　3.steady　4.widespread　5.advocate　6.pol

7、lutionⅢ.根据英语释义写出单词1．________：aquicklook2．________：anamountoranumberofsth3．________：topaymoneyregularlytosupportacharity4．________：toexpresssomethinginspeechorwriting，especiallyinadefiniteorformalway5．________：happeningorchosenwithoutanydefiniteplan，aimorpattern6．___

8、_____：totakeaparticulardirection7．________：asuddeneventresultingingreatlossandmisfortune8．________：thelimitsbetweenwhichsthvaries；asetofpr