人教版高考英语一轮总复习精品课件 选择性必修第三册 Unit 3 ENVIRONMENTAL PROTECTION (3).ppt

Ⅳ.话题微写作【写作素材】1.随着环境污染日益严重,我们真的需要采取措施来解决它。(with复合结构)2.许多原因造成城市的空气质量变得越来越差。(dozensof,resultin)3.几乎没有疑问人们一旦吸入这些气体,身体健康就会受到伤害,可能会导致肺癌等一系列疾病。(there’slittledoubt,contributeto)4.为了改善这种状况,作为学生,我们最好步行或乘坐公共交通工具,而不是私家车,对保护环境负责。(takeresponsibilityfor)【连句成篇】将以上句子连成一篇语言流畅、用词准确、逻辑严密的短文。Withtheenvironmentalpollutionincreasing,wereallyneedtotakeactiontodealwithit.Dozensofcausesresultintheairqualityincitiesbecomingworseandworse.Thereislittledoubtthatpeople’shealthwillbeharmedoncetheytakeinthesegases,whichmaycontributetoaseriesofdiseaseslikelungcancer.Toimprovethesituation,asstudents,we’dbetterwalkortakepublictransportationratherthanprivatecarsandtakeresponsibilityforenvironmentalprotection.本课结束43.Whatdoestheunderlinedword“vulnerable”inParagraph3probablymean?A.Sensitive.B.Beneficial.C.Significant.D.Unnoticeable.答案A解析词义猜测题。根据下一句“Warmingchangeskeycharacteristicsoftheoceanandcanaffectphytoplanktongrowth”可知,浮游生物容易受到气候变暖的影响,vulnerable的含义与sensitive最为接近。所以选A项。44.Whatcanwelearnfromthepassage?A.Phytoplanktonplayadecliningroleinthemarineecosystem.B.Dutkiewicz’smodelaimstoprojectphytoplanktonchanges.C.Phytoplanktonhavebeenusedtocontrolglobalclimate.D.Oceanswithmorephytoplanktonmayappeargreener.答案D解析细节理解题。根据第四段第四句“Butinsomewaters...,awarmingwillmakeconditionsriperforphytoplankton,andtheseareaswillturngreener.”可知在某些海域,气候变暖给浮游生物提供更成熟的条件,而这些水域将会变得更绿。所以选D项。45.Whatisthemainpurposeofthepassage?A.Toassesstheconsequencesofoceancolourchanges.B.Toanalysethecompositionoftheoceanfoodchain.C.Toexplaintheeffectsofclimatechangeonoceans.D.Tointroduceanewmethodtostudyphytoplankton.答案C解析写作意图题。通读文章的第一段以及最后一段的内容可知,作者写这篇文章的主要目的就是解释气候变化对海洋的影响。所以选C项。语言能力1.掌握构词知识词根派生词性及词义例句?concentration?Oceancolourvariesfromgreentoblue,dependingonthetypeandconcentrationofphytoplan