【优化课堂】2012高中英语课时作业 Unit4Global warming 新人教版选修6.doc

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1、Unit4　GlobalwarmingSectionⅠ　WarmingUp&Reading一、单词拼写1．She________(消耗)muchofhertimeinstudying.2．Snowingisanatural________(现象)inwinter.3．Thenewspaperdidnotmentiontheconcrete________(范围)ofthedamagecausedbythefire.4．He________(看一下)athiswatchandthenlookedupatthesky.5．Keepthecamera________(平稳的)whileyoutak

2、eapicture.6．Hetookabookat________(任意的)．7．Mostofour________(资料)isstoredoncomputers.8．TheEnglishpartyturnedouttobea________(灾难)．9．Ourofficefurnitureleadsthenew________(趋势)．10．He________(陈述)hisviewstomeatthemeetingyesterdayevening.二、介、副词填空与短语搭配1．come________发生；造成2．subscribe________同意；赞成；订购3．quantities

3、________大量的4．go________上升；增长；升起5．result________导致6．beopposed________反对7．________if即使8．keep________继续三、完成句子1．________________(毫无疑问)shewillkeepherword.2．He________________(易于)makespellingmistakes.3．He________________(同意了)hisparents'suggestions.4．Thishoteloffers________________(一系列的)servicesforitsgues

4、ts.5．Thekingdecidedto________________(集结)militaryforces.四、课文内容填空Whencomparedwithmostnaturalchanges,thatthetemperatureoftheearthroseaboutonedegreeFahrenheitduringthe20thcenturyisquiteshocking.Andit'shumanactivity(1)________hasmadetheglobalwarmingcome(2)________ratherthana(3)________butnatural(4)____

5、____．Allscientists(5)________totheviewthattheincreaseinthetemperatureisduetotheburningoffossilfuels.DrJaniceFosterexplainsthatpeopleaddhuge(6)________ofextracarbondioxidetotheatmosphere.Fromthesecond(7)________discoveredbyCharlesKeeling,allscientistsbelievethattheburningofmoreandmorefossilfuelshasr

6、esulted(8)________theincreaseincarbondioxide.Greenhousegasescontinuetobuildup.Somethinkthatthe(9)________wouldbeacatastrophe.Ontheotherhand,GeorgeHambley(10)________(statement)thatmorecarbondioxidewouldencourageagreaterrangeofanimalsandbringusabetterlife.五、阅读理解In1993,NewYorkStateorderedstorestochar

7、geadeposit(定金)onbeverage(饮料)containers.Withinayear,consumershadreturnedmillionsofcansandglassandplasticbottles.Plentyofcompanieswereeagertoacceptthemasrawmaterialsfornewproducts.Butbecausefewcouldfigureoutw