PeriodThreeLearningaboutLanguage&UsingLanguageⅠ.写出下列单词的汉语意思(共10小题；每题2分，满分20分)1．widespreadadj.分布广的；普遍的2．economicaladj.经济的；节约的3．outeradj.外部的；外面的4．commitmentn．承诺；交托；信奉5．electricaladj.电的；与电有关的6．appliancen．用具；工具；器具7．motorn．发动机8．circumstancen．环境；情况9．presentationn．显示；演出10．disagreementn．分歧；不一致Ⅱ.写出下列汉语对应的英语单词(共10小题；每题3分，满分30分)11．tendencyn．倾向；趋势12．averageadj.平均的13．existencen．生存；存在→existv．存在14．advocatevt.拥护；提倡；主张15．pollutionn．污染；弄脏→pollutevt.污染16．growthn．增长；生长→growvi.生长；增长17．casualadj.随便的；漫不经心的；偶然的→casuallyadv.随便地；偶然地18．refreshvt.使恢复；使振作19．educatorn．教育工作者；教育家→educatev．教育→educationn．教育20．contributionn．贡献→contributev．贡献Ⅲ.写出下列短语(共10小题；每题2分，满分20分)21．大体上；基本上onthewhole22．代表……一方；作为……的代言人onbehalfof23．承担义务haveacommitment24．改善环境improvetheenvironment25．有影响makeadifference26．忍受；容忍putupwith27．只要as/solongas28．等等andsoon29．可回收材料recycledmaterials30．节约能源beeconomicalwithenergyⅣ.完成句子(共5小题；每题6分，满分30分)31．However，Istillthinkpeopleshouldadvocateimprovementsinthewayweuseenergytoday.然而我仍认为人们应该支持改善当今能源消耗的方式。32．AsI’mnotsurewheretostartwithmyproject，Iwouldappreciateanysuggestionsyoumayhave.由于我不清楚我该从哪里着手开始我的研究，如能得到你们的建议我将十分感激。33．Thegrowthofthegreenhousegas，carbondioxideintheairactuallycomesasaresultofmanythingswedoeveryday.空气中的温室气体二氧化碳的增长的确是来自我们许多的日常活动。34．ItisOKtoleaveanelectricalapplianceonsolongasyouareusingit—ifnot，turnitoff!只要你在使用电器设备，你可以让它开着——如果不用，就把它关掉！35．Ittakesalotofenergytomakethingsfromnewmaterials，so，ifyoucan，buythingsmadefromrecycledmaterials.用新材料来做这些东西要花费大量的能源，因此，如有可能，就买那些用回收材料制成的物品吧。Ⅰ.True(T)orFalse(F)1．Theauthor(OuyangGuang)thinksthatindividualshavelittleeffectonenvironmentalproblems.(F)2．Infact，everyone’scontributionmakesadifferenceinprotectingourearth.(T)3．ItisOKtoleaveanelectricalapplianceonifyouaren’tusingit.(F)Ⅱ.Readtheletterscarefullyandchoosethebestanswer.1．WhichisNOTthereasonwhyOuyangGuangwritestheletter?A．Heisdoingaprojectonglobalwarming.B．Hefeelsindividualscanaffecthugeenvironmentalproblems.C．Heisn’tsurewheretostartwithhisproject.D．HewantstogetsomesuggestionsfromEarthCare.答案B2．WhichisNOTtrueaccordingtothesecondletter?A．Together，individualscanmakeadifferencetoenvironmentalproblems.B．Individualsmustputupwithpollution.C．Manyactivitiesindividualsdocanproducecarbondioxide.D．Individualscansaveenergytoslowdownglobalwarming.答案B3．WhichisNOTEarthCare’ssuggestion?A．Turnelectricalappliancesoffifyouarenotusingthem.B．Putonmoreclothesinsteadofturninguptheheat.C．Buythingsmadeofrawmaterials.D．Walkorrideabikeifyoucan.答案C4．Whoisthewriterofthefirstletter?A．Aneditor.B．OuyangGuang.C．EarthCare.D．BandC.答案B5．What’sthemainideaofthetwoletters?A．Someorganizationsshoulddosomethingaboutglobalwarming.B．Suggestionsonwhattodoaboutglobalwarming.C．Individualsneedn’tdoanythingaboutglobalwarming.D．Governmentsshouldtakemeasuresaboutglobalwarming.答案B重点词汇Thegreenhouseeffe...
