2021高考英语大一轮复习考点规范练29Unit4Globalwarming新人教版选修6

1、考点规范练 29 Unit 4 Global warmingI .阅读理解（2019 北京）By the end of the century,if not sooner,the world' s oceans will be bluer andgreener thanks to a warming climate,according to a new study.At the heart of the phenomenon lie tiny marine microorganisms（海洋微生物 ）calledphytoplankton.Because of the way ligh

2、t reflects off the organisms,these phytoplankton create colourful patterns at the ocean surface.Ocean colour varies from green to blue,depending on the type and concentration of phytoplankton.Climate change will fuel the growth of phytoplankton in some areas,while reducing it in other spots,leading

3、to changes in the ocean ' s appearance .Phytoplankton live at the ocean surface,where they pull carbon dioxide（二氧化碳）into the ocean while giving off oxygen.When these organisms die,they bury carbon in the deep ocean,an important process that helps to regulate the global climate.But phytoplankton

4、are vulnerable to the ocean ' s warming trend .Warming changes key characteristics of the ocean and can affect phytoplankton growth,since they need not only sunlight and carbon dioxide to grow, but also nutrients.Stephanie Dutkiewicz,a scientist in MIT ' s Center for Global Change Science,bu

5、ilt a climate model that projects changes to the oceans throughout the century.In a world that warms up by 3 C ,it found that multiple changes to the colour of the oceans would occur.The model projects that currently blue areas with little phytoplankton could become even bluer.But in some waters,suc

6、h as those of the Arctic,a warming will make conditions riper for phytoplankton,and these areas will turn greener. " Not only arethe quantities of phytoplankton in the ocean changing,“ she said,“but the type ofphytoplankton is changing .”And why does that matter?Phytoplankton are the base of th

7、e food web.If certain kinds begin to disappear from the ocean,Dutkiewicz said,“it will change the type offish that will be able to survive." Those kinds of changes could affect the foodchain.Whatever colour changes the ocean experiences in the coming decades will probably be too gradual and unn

8、oticeable,but they could mean significant changes. "It ' ll be awhile before we can statistically show that the changes are happening because of climate change, " Dutkiewicz said, “ but the change in the colour of the ocean will be one of the early warning signals that we really have c

9、hanged our planet.”1 .What are the first two paragraphs mainly about?A.The various patterns at the ocean surface.B.The cause of the changes in ocean colour.C.The way light reflects off marine organisms.D.The efforts to fuel the growth of phytoplankton.2 .What does the underlined word avulnerable &qu

10、ot; in Paragraph 3 probably mean?A.Sensitive.B.Beneficial.C.Significant.D.Unnoticeable.3 .What can we learn from the passage?A.Phytoplankton play a declining role in the marine ecosystem.B. Dutkiewicz ' s model aims to project phytoplankton changes.C.Phytoplankton have been used to control globa

11、l climate.D.Oceans with more phytoplankton may appear greener.4.What is the main purpose of the passage?A.To assess the consequences of ocean colour changes.B.To analyse the composition of the ocean food chain.C.To explain the effects of climate change on oceans.D.To introduce a new method to study

12、phytoplankton. n.完形填空(2019 辽宁沈阳一模)Jayce Crowder began noticing when he was in kindergarten that he looked different from his classmates.They had two1 .He had one.“It started when one boy2 him, " says his mother,Cortney Lewis . "He' dreturn home with questions:why am I3 ?Why me?Why?Lewi

13、s 4 she didn ' t know what to do at that point.How could she 5 answersto her son ' s questions when she had never got those answers herself?One day,Lewis 6 a news story on the TV about a six-foot-three eighth grader from Washington,Iowa.Trashaun Willis,then 14,had become7 on the Internet aft

14、erposting videos of his slam dunks( 扣篮),and,like Jayce,most of his left arm was_8.Lewis called Jayce in.He was9 watching one dunk after another.At the time,it seemed that watching Trashaun would simply be a(n)10 momentfor Jayce.And had it stayed just that,Lewis would have been happy.But little did s

15、he 11 that a family friend had already12 the DesMoinesRegister ,asking thenewspaper to help set up a(n)13 with Trashaun to build up Jayce ' s 14 .The boys met at last and15 became good friends.They rode bikes around theschool ' s hallways,took photos,played hide -and-seek,and shot baskets.At

16、 one point,Trashaun did get serious with Jayce.He talked about their left arms.He told Jayce he was 16 .He told him not to let anyone17 theirconfidence.Since that meeting,Lewis has seen a(n)18 difference in her son.He hasrecently started wrestling and loves it.Lewis points to Trashaun ' s 19 . &

17、quot;Meetinghim," she said, “made Jayce 20 that there are others like him.”As for Trashaun,his relationship with Jayce made him look forward to helping morekids.1 .A.earsB.handsC.eyesD.feet2.A.pointed outB.listened toC.picked upD.laughed at3.A.normalB.shortC.differentD.weak4.A.admitsB.pretendsC

18、.suspectsD.ignores5.A.provideB.allowC.reflectD.instruct6.A.introducedB.madeC.foundD.advertised7.A.contentB.popularC.smartD.extraordinary8.A.risingB.failingC.coveredD.missing9.A.attractedB.frightenedC.movedD.bored10.A.personalB.inspiringC.typicalD.ordinary11 .A.payB.meanC.knowD.require12 AdemandedB.c

19、ontactedC.foundedD.aroused13.A.partyB.classC.organizationD.meeting14.A.confidenceB.strengthC.reputationD.personality15.A.constantlyB.unselfishlyC.nervouslyD.instantly16.A.flexibleB.strangeC.perfectD.charged17.A.inspectB.helpC.shakeD.increase18.A.obviousB.accurateC.decreasingD.harmful19.A.devotionB.i

20、nfluenceC.actionD.impression20.A.announceB.defendC.desireD.understandm.语篇填空(2017 全国 I )There has been a recent trend in the food service industry toward lower fatcontent and less salt.This trend,which was started by the medical community(医学界)1.a method of fighting heart disease,has had some unintend

21、ed side 2.(effect)such as overweight and heart disease the very thing the medical community was trying to fight.Fat and salt are very important parts of a diet.They are required 3. (process) the food that we eat,to recover from injury and for several other bodilyfunctions.When fat and salt 4. (remov

22、e) from food,the foodtastes as if it is missing something.As 5.result,people will eatmore food to try to make up for that something missing.Even 6. (bad),the amount of fast food that people eat goes up.Fast food 7.(be)full of fat and salt;by 8.(eat) more fast food people will get moresalt and fat th

23、an they need in their diet.Having enough fat and salt in your meals will reduce the urge to snack(吃点心、)between meals and will improve the taste of your food.However,be 9. (care) not to go to extremes.Like anything,it is possible to have too much of both,10.is not good for the health.W.短文改错In July 21

24、,I,together with some people,gathered at Youth Square at 5 a.m.Then we boarded a bus,where took us to Wuling Mountain,taking us two and a half hour.To tell the truth,Wuling Mountain is a really attractive spot,where the scene was beautiful enough.When first climbing mountain,I felt excited,and walke

25、d fast,only take some pictures now and then.There was a large number of tourists that day,making the path crowded.At noon,I had a simply lunch,for I took some food with me.We had returned at four o clock,laughing and talking .Tired but happy,we arrived home safely and sound.8考点规范练29( 选修 6 Unit4 )1 .

26、【解题导语】本文是说明文。文章介绍了全球气候变化对海洋颜色的影响。1.B 主旨大意题。根据文章前两段的内容可知 , 这两段主要介绍了海洋颜色发生变化的原因。所以选 B 项。2 .A 词义猜测题。根据画线词后的“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。3 .D 细节理解题。根据第四段的“ Butinsomewaters.,awarmingwillmakeconditionsr

27、iperforphytoplankton,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。4 .C 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。n.【解题导语】本文是一篇记叙文。JayceCrowder左臂残缺，受到同学嘲笑,在和同样左臂残缺的TrashaunWillis 见面并且成为好朋友后,JayceCrowder 意识到世界上还有和他一样的人, 进而对自己的未来充满了信心。1.B 根据下文“ mos

28、tofhisleftarmwas . ”及“ Hetalkedabouttheirleftarms . ”可知 ,JayceCrowder 上幼儿园时就开始注意到自己和别人不一样, 他们有两只手(hands) 而他只有一只。2 .D 根据上文“ . helookeddifferentfromhisclassmates.Hehadone . ”及下文的JayceCrowder 回到家时的反应可知 ,JayceCrowder 回到家的提问源于有一个男孩嘲笑 (laughedat) 他。3 .C 根据上文中的“ JayceCrowderbegannoticingwhenhewasinkinderga

29、rtenthathelookeddifferentfromhisclassmates . ”可知 , 此处表示 JayceCrowder 问妈妈为什么自己和其他人不同 (different) 。4 .A 根据下文“ Howcouldshe. answerstoherson squestionswhenshehadnevergotthoseanswersherself? ”可知 ,Lewis 承认 (admits) 她当时不知道如何回答儿子的问题。 pretend “假装” ;suspect “怀 疑” ;ignore “忽视”。5 .A 当自己还不知道答案时, 她如何能为儿子提出的问题提供 (

30、provide) 答案。 allow “允许” ;reflect “反映 , 沉思” ;instruct “指导”。6 .C 此处表示一天,Lewis 发现了 (found) 电视上的一个新闻故事。 introduce “介绍” ;make “制作” ;advertise “做广告”。7 .B 根据上文“Oneday,Lewis.anewsstoryontheTV. ”可知 ,TrashaunWillis 的事情已经成为新闻了 , 因此 TrashaunWillis 上传到网络上的扣篮视频使他在网上很受欢迎 (popular) 。8.D 根据空前 likeJayce 可知 , 和 Jayce

31、一样 ,TrashaunWillis 左臂的大部分也是缺失的(missing) 。 rise “上升” ;fail “失败” ;cover “覆盖”。9.A 根据空后watchingonedunkafteranother可知 ,Jayce 被 TrashaunWillis 的扣篮视频深深吸引 (attracted)。10.B 上文说到 Trashaun 身体有残疾却能够扣篮, 因此对 Jayce 来说 , 当时观看 Trashaun 的视频是一个鼓舞人心的 (inspiring) 时刻。11 .C 但是 Lewis 几乎不知道 (know), 她的一位朋友已经联系 (contact) 了 De

32、sMoinesRegister 。 pay “付钱” ;mean “打算 , 意味着” ;require “要求”。12.B 参见上题解析。demand "要求,命令"；contact "联系"found "建立"；arouse "唤起"。13 .D 根据下文中的 Theboysmetatlast 可知 ,Lewis 的朋友请求这家报纸帮忙给Jayce 和Trashaun 安排一次见面(meeting) 来树立 Jayce 的信心。14 .A 根据下文中的“Hetoldhimnottoletanyone.their

33、confidence. ”可知 , 这次见面的目的是树立 Jayce 的信心 (confidence) 。 strength “力量 , 长处” ;reputation “声 誉” ;personality “个性”。15 .D 根据空后的“ Theyrodebikesaroundthe school shallways,tookphotos,playedhide -and- seek,andshotbaskets . ”可知 , 这两个男孩见面了 , 并且立刻 (instantly) 成了好朋友。constantly “持续地” ;unselfishly “无私地” ;nervously “

34、紧张地”。16 .C 从前文可知 ,Trashaun 是个非常有自信的男孩。因此可以推断出 ,Trashaun 告诉 Jayce, 他也 是完美的 (perfect) 。 flexible “灵活的” ;strange “奇怪的” ;charged “充满 (某种情绪或想法)的 ; 紧张的”。17 .C 根据下文“Sincethatmeeting,Lewishasseena(n).differenceinherson.Hehasrecentlystartedwrestlingandlovesit . ”可知 , 此处指不要让任何人动摇(shake) 他们的信心。 inspect “检查” ;h

35、elp “帮助” ;increase “增加”。 18.A 此处表示自从那次见面后,Lewis 在儿子身上已经看到了明显的 (obvious) 变化。accurate “准确的” ;decreasing “减少的” ;harmful “有害的”。19.B 根据空后她说的话可知 ,Lewis 谈到 Trashaun 对她儿子的影响(influence) 。 devotion “奉献”;action “动作”;impression “印象”。20.D 与 Trashaun 的见面使 Jayce 明白 (understand) 世界上还有和他一样的人。 announce “宣 布”;defend “保卫”