高考英语 Unit4 总复习课件 新人教版选修6.ppt

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1、Ⅰ.重点单词1.v．消耗；耗尽；消费；吃完→n．消费者→n．消费2.v．同意；捐赠；订阅；签署(文件)→n．捐赠；订阅3.v．倾向；易于；照顾→n．趋势；趋向4.v．反对；反抗；与(某人)较量→adj.反对的；对立的consumeconsumerconsumptionsubscribesubscriptiontendtendencyopposeopposed5.adj.温和的；温柔的；淡的→adv.温柔地；温和地6.n．后果；结果；影响→adj.因……的结果而起的；随之发生的→adv.因而；所以7.v．陈述；说明→n．叙述；声明8.v．看一下；扫视→adj.倾斜的9.adj.平稳

2、的；持续的；稳固的→adv.平稳地；持续地；稳固地mildmildlyconsequenceconsequentconsequentlystatestatementglanceglancingsteadysteadily10.adj.平均的11.n．存在；生存→v．存在12.v．拥护；提倡；主张；n.拥护者13.n．承诺；信奉→v．承诺；保证14.n．弄脏；污染→v．弄脏；污染15.n．生长；增长→v．生长；增长averageexistenceexistadvocatecommitmentcommitpollutionpollutegrowthgrow16.adj.电的；与电有关

3、的→n．电；电流17.adj.随便的；漫不经心的；偶然的→adv.漫不经心地18.v．使恢复；使振作→n．恢复精力；焕发精神19.n．教育家；教育工作者→n．教育→v．教育electricalelectricitycasualcasuallyrefreshrefreshmenteducatoreducationeducate20.n．贡献→v．贡献21.n．显示；演出→v．呈现；赠送22.n．分歧；不一致→v．不同意contributioncontributepresentationpresentdisagreementdisagreeⅡ.重点短语1.come发生；造成2.to同

4、意；订购；赞成3.of大量的4.go上升；增长；升起5.result导致6.beto反对……7.if即使aboutsubscribequantityupinopposedeven8.keep继续9.onthe大体上；基本上10.onof代表……一方11.putup容忍；忍受12.asas只要13.andon等等onwholewholewithlongsoⅢ.重点句型1.Thegreenhouseeffectgivestheearth’ssurfacethetemperatureof15℃.温室效应使地球的表面平均温度为15摄氏度。2.Wedonothavetopollution.

5、我们不必去忍受污染。averageputupwithⅣ.语篇练习根据课文TheEarthisbecomingwarmer—butdoesitmatter？完成下列短文。Thereisnodoubt__1__theearthisbecomingwarmerbutthereisfiercedebateoverwhetheritishumanactivitythathascausedthisglobalwarmingorwhetheritisjustanaturalphenomenon.ManyscientistslikeDr.JaniceFosterbelievethatpeople

6、havecausedtheincreaseintheearth’stemperature__2__burningoffossilfuelslikecoal,naturalgasandoiltoproduceenergy__3__byproductsarecalled“greenhouse”gases,themostimportantone__4__(be)carbondioxide.Thesegasestrapheatfromthesunandthereforewarmtheearth，withoutwhichtheearth__5__(be)aboutthirtythreed

7、egreesCelsiuscoolerthanitis.Butincreasedamountofcarbondioxidemeansthat__6__heatenergyistrappedintheatmosphere，__7__(cause)theglobaltemperaturetogo__8__.On__9__otherhand，scientistslikeGeorgeHambleybelievethatanywarmingwillbemildwith__10__baden