2021高考英语大一轮复习 考点规范练29 Unit 4 Global warming 新人教版选修6.docx

1、考点规范练29 Unit 4 Global warming.阅读理解(2019北京)By the end of the century,if not sooner,the worlds oceans will be bluer and greener 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) called phytoplankton.Because of the way light reflec

2、ts 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 to chang

3、es in the oceans 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 are vulnerable t

4、o the oceans 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 MITs Center for Global Change Science,built a climate model that projec

5、ts changes to the oceans throughout the century.In a world that warms up by 3,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,such as those of the Arctic,a warming

6、 will make conditions riper for phytoplankton,and these areas will turn greener.“Not only are the quantities of phytoplankton in the ocean changing,”she said,“but the type of phytoplankton is changing.”And why does that matter?Phytoplankton are the base of the food web.If certain kinds begin to disa

7、ppear from the ocean,Dutkiewicz said,“it will change the type of fish that will be able to survive.”Those kinds of changes could affect the food chain.Whatever colour changes the ocean experiences in the coming decades will probably be too gradual and unnoticeable,but they could mean significant cha

8、nges.“Itll be a while 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 changed our planet.”1.What are the first two paragraphs mainly abou

9、t?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“vulnerable” in Paragraph 3 probably mean?A.Sensitive.B.Beneficial.C.Significant.D.U

10、nnoticeable.3.What can we learn from the passage?A.Phytoplankton play a declining role in the marine ecosystem.B.Dutkiewiczs model aims to project phytoplankton changes.C.Phytoplankton have been used to control global climate.D.Oceans with more phytoplankton may appear greener.4.What is the main pur

11、pose 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 phytoplankton.完形填空(2019辽宁沈阳一模)Jayce Crowder began noticing when he was in kindergart

12、en that he looked different from his classmates.They had two 1.He had one.“It started when one boy 2 him,”says his mother,Cortney Lewis.“Hed return home with questions:why am I 3?Why me?Why?”Lewis 4 she didnt know what to do at that point.How could she 5 answers to her sons questions when she had ne

13、ver 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 become 7 on the Internet after posting videos of his slam dunks(扣篮),and,like Jayce,most of his left arm was 8.Lewis called Jayce in.He was 9 watc

14、hing one dunk after another.At the time,it seemed that watching Trashaun would simply be a(n) 10 moment for Jayce.And had it stayed just that,Lewis would have been happy.But little did she 11 that a family friend had already 12 the DesMoinesRegister,asking the newspaper to help set up a(n) 13 with T

15、rashaun to build up Jayces 14.The boys met at last and 15 became good friends.They rode bikes around the schools hallways,took photos,played hide-and-seek,and shot baskets.At 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

16、anyone 17 their confidence.Since that meeting,Lewis has seen a(n) 18 difference in her son.He has recently started wrestling and loves it.Lewis points to Trashauns 19.“Meeting him,”she said,“made Jayce 20 that there are others like him.”As for Trashaun,his relationship with Jayce made him look forwa

17、rd to helping more kids.1.A.earsB.handsC.eyesD.feet2.A.pointed outB.listened toC.picked upD.laughed at3.A.normalB.shortC.differentD.weak4.A.admitsB.pretendsC.suspectsD.ignores5.A.provideB.allowC.reflectD.instruct6.A.introducedB.madeC.foundD.advertised7.A.contentB.popularC.smartD.extraordinary8.A.ris

18、ingB.failingC.coveredD.missing9.A.attractedB.frightenedC.movedD.bored10.A.personalB.inspiringC.typicalD.ordinary11.A.payB.meanC.knowD.require12.A.demandedB.contactedC.foundedD.aroused13.A.partyB.classC.organizationD.meeting14.A.confidenceB.strengthC.reputationD.personality15.A.constantlyB.unselfishl

19、yC.nervouslyD.instantly16.A.flexibleB.strangeC.perfectD.charged17.A.inspectB.helpC.shakeD.increase18.A.obviousB.accurateC.decreasingD.harmful19.A.devotionB.influenceC.actionD.impression20.A.announceB.defendC.desireD.understand.语篇填空(2017全国)There has been a recent trend in the food service industry to

20、ward lower fat content 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 unintended side 2.(effect) such as overweight and heart diseasethe very thing the medical community was trying to fight.Fat and salt are very important pa

21、rts of a diet.They are required 3.(process) the food that we eat,to recover from injury and for several other bodily functions.When fat and salt 4.(remove) from food,the food tastes as if it is missing something.As 5. result,people will eat more food to try to make up for that something missing.Even

22、 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 more salt and fat than 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

23、 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.短文改错In July 21,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 ho

24、ur.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 walked 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,fo

25、r I took some food with me.We had returned at four oclock,laughing and talking.Tired but happy,we arrived home safely and sound.考点规范练29(选修6Unit4).【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“Warmingchangeskeycharacteristicsoftheoceanandcanaffectph

26、ytoplanktongrowth.”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.,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。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。.【解题导语】本文是一

27、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“mostofhisleftarmwas.”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,Ja

28、yceCrowder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“JayceCrowderbegannoticingwhenhewasinkindergartenthathelookeddifferentfromhisclassmates.”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.answerstohersonsquestionswhenshehadnevergotthoseanswersherself?”可知,Lewis承认(admits)她当时不知道如何回答儿子的问题。p

29、retend“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(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)。

30、8.D根据空前likeJayce可知,和Jayce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DesMoinesRegi

31、ster。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.theirconfidence.”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”;

32、personality“个性”。15.D根据空后的“Theyrodebikesaroundtheschoolshallways,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“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

33、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”;help“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

34、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”;desire“渴望”。.【解题导语】本文是一篇说明文,主要分析了低脂低盐的饮食方式的利弊以及这种饮食方式对人体的影响。1.as考查介词。as“作为”,是介词。此处意为“作为一种与心脏病做斗争的方法”。2.effects考查名词的数。effect“作用”,是可数名词。根据前面的some可知要用effects。sideeffects“副作用”。3.

35、toprocess考查非谓语动词。requiresb.todosth.“要求某人做某事”,所以填toprocess。4.areremoved考查被动语态。remove是及物动词,与fatandsalt有逻辑上的动宾关系,所以用被动语态。5.a考查固定搭配。asaresult“结果”,是固定搭配。6.worse考查比较级。根据前面的even可知,所填的词要用比较级。bad的比较级是worse。7.is考查主谓一致。fastfood是第三人称单数形式,句子是一般现在时,所以填is。8.eating考查非谓语动词。by是介词,后接动词时要用动词-ing形式。9.careful考查形容词。be是连系动

36、词,后面要接形容词做表语。care的形容词形式是careful。10.which考查定语从句。题空处引导非限制性定语从句,且在从句中做主语,所以填which。.InOnJuly21,I,togetherwithsomepeople,gatheredatYouthSquareat5a.m.Thenweboardedabus,wherewhichtookustoWulingMountain,takingustwoandahalfhourhours.Totellthetruth,WulingMountainisareallyattractivespot,wherethescenewasisbeaut

37、ifulenough.Whenfirstclimbingthemountain,Ifeltexcited,andwalkedfast,onlytaketakingsomepicturesnowandthen.Therewaswerealargenumberoftouriststhatday,makingthepathcrowded.Atnoon,Ihadasimplysimplelunch,forItooksomefoodwithme.Wehadreturnedatfouroclock,laughingandtalking.Tiredbuthappy,wearrivedhomesafelysafeandsound.