高中英语外研版 (2019)选择性必修 第三册Unit 4 A glimpse of the future复习练习题

这是一份高中英语外研版 (2019)选择性必修 第三册Unit 4 A glimpse of the future复习练习题，共7页。试卷主要包含了 A等内容，欢迎下载使用。
（2020天津重点学校高三3月联考）
When yu want t thrw smething ut as “junk”，better take a secnd thught as it may be f great value. In fact，scientists made the same mistake with DNA years ag，and nw they are trying t get it right.
We ften say that DNA is a kind f acid that cntains ur genes. But the truth is that genes nly make up 1 t 2 percent f ur DNA，which caused scientists t believe that the rest f it is useless Nevertheless，instead f ding nthing，junk DNA turned ut t be playing an imprtant part in ur bdy. If genes are like light bulbs，then junk DNA acts as switches.
They cntrl which genes are used in a cell and hw active they are. Fr example，they can determine whether a cell becmes a lung cell r a neurn（神经元）.
The study，published in the jurnal Nature n September 5，started in 2003，and 442 scientists frm30 labs arund the wrld were invlved. accrding t Reuters. It is cnsidered the biggest breakthrugh in genmics（基因组学）in a decade because it might help scientists find the cause f certain diseases.
It has lng been knwn that many cmplicated disease, such as ca re caused by tiny changes DNA. But nw scientists realize that mst f the changes ccur nt in the genes themselves, but in the “junk” part f the DNA. They are able t keep track f hw and why the switches change and then figure ut new treatments and drugs.
“Our frmer understanding f DNA was like getting a picture f Earth frm space,” Eric Lander frm the brad Institute. us. tld The New Yrk Times. “Yu knw the planet is there but yu cannt see exactly what it's like n the surface.”
“But nw with the new study result yu can fllw the rads and see the traffic circulatin. That’s exactly the same way we will use this data in cancer research.” explained Mark Rubin frm Weill Crnell Medical Cllege in New Yrk.
1. Which f the fllwing wuld be the best title fr the passage?
A. DNA-The Cause f Cancer
B. What Is DNA?
C. A New Discvery fr “Junk DNA”
D. A Misunderstanding f Genes
2. What des the underlined phrase “get it right” in the first paragraph refer t?
A. Discvering new types f DNA.
B. Recgnizing the imprtance f junk DNA.
C. Understanding the rle genes play in DNA.
D. Telling useful DNA frm useless ne.
3. Which f the fllwing statements might Mark Rubin agree with?
A. The finding f ur genes is enugh t fight against cancer.
B. The battle against cancer will be wn within tw years.
C. The finding f junk DNA thrws light n hw we might cure cancer.
D. The new treatments and drugs will change junk DNA quickly.
Ⅱ.七选五
（2020辽宁丹东高二上期末）
Eyesight is the sense that yu rely upn the mst Since we live in a wrld that requires yur eyes t rutinely stare at the small type and images n cell phnes cmputer screens, and televisins, it is imprtant fr yu t imprve and prtect yur eyesight. 1
Eyes are just like any ther part f the bdy. 2 Similar t ther rgans，a diet high in fruits and vegetables and lw in sugar and fatty fds will g a lng way in maintaining healthy eyes.
3 Plan t exercise yur eyes when yu wake up，befre ging t bed，r when yur eyes are tired. Make sure yur hands are clean s that yu d nt hurt ur eyes and yur mind is relaxed befre starting.
Since yu use yur eyes at every waking mment，give them lts f rest and relaxatin by taking breaks thrughut the day and getting enugh sleep every night t fully rest，repair，and recver yur visin. 4 In the shrt term，it can cause eye strain（眼疲劳）.In the lng term，it can lead t damage t the ptic nerve（视神经），which can cause pain and damage yur visin.
Besides，mst jbs nwadays invlve sme degree f cmputer usage，meaning almst everyne will be spending time in frnt f a cmputer. 5 T avid this，yu'll have t prperly try t limit yur screen time by rutinely taking breaks and exercising yur eyes.
A. They need nutritin t functin well.
B. Clse yur eyes when exercising yur eyes.
C. A lack f sleep will weaken yur visin health.
D. Yu can enjy yur visin fr the rest f yur life.
E. Unfrtunately, this can result in eye strain r injury.
F. There are many ways t keep yur eyesight healthy and sharp.
G. Exercising yur eyes daily will help yu maintain healthy eyes.
Ⅲ.完形填空
（2019山东淄博高二下期末）
When I was a by I dreamed f my future. I was ging t be a cwby. Then I dreamed f being a firefighter and 1 peple frm burning buildings. I Just culdn’t 2 t grw up and be an adult. After I went t cllege and thse dreams 3 .I thught I wuld be a scientist then I switched t being a teacher. When I 4 and had children.my dreams f the future changed again nw it wasn’t a 5 career that I dreamed f but a time when I culd be settled and 6 .
That dream. f curse didn’t 7 . In fact nne f thse dreams ever came t life. It tk me many years as well t 8 that living in a dreamy future was living in a 9 and that each mment I spent there was taking a mment away frm the 10 NOW. I saw that there culd be n perfect prblem-free future because prblems are part f 11 .
It is nly in the Nw that we can truly live. Our dreams fr the future are just that: 12 . Whether they cme true r nt isn’t as 13 as hw we live each day here. A hug shared tday can never be 14 . An act f kindness nt given nw is lst frever. A mment f lve missed can never be 15 again. Each secnd f the Nw is precius and priceless. Dn't waste any ne f them.
1. A. liberating B. carryingC. rescuing D. supprting
2. A. wait B. stp C. stay D. rest
3.A. remained B. matched C. brke D. changed
4.A. retired B. married C. succeeded D. divrced
5.A. certain B. firm C. prmising D. prfessinal
6.A. silent B. gentle C. secure D. uncertain
7.A. lseB. happen C. prduceD. destry
8.A. recgnize B. appreciate C. cncludeD. realize
9. A. hpeB. fantasy C. fableD. sight
10.A. precius B. favrite C. cmmn D. ppular
11.A. activities B. mvementC. life D. business
12.A. realities B. dreams C. purpses D. treasure
13.A. famus B. serius C. impressive D. imprtant
14.A. replaced B. fllwed C. recvered D. reviewed
15.A. picked up B. brken up C. made up D. put up
参考答案：
Ⅰ.阅读理解
语篇解读：本文是一篇说明文，主要介绍了垃圾DNA其实有很大的价值，在我们的身体中扮演着重要的角色。
1.C主旨大意题。本文介绍了垃圾DNA其实在我们的身体中扮演着重要的角色，这是医学上一个新的发现，因此最好的题目为C项。
2.B推理判断题。画线处所在句是说多年前科学家关于DNA也犯了同样的错误，但是现在正在纠正。由第二段中的 genes nly make up I t 2 percent f ur DNA，which caused scientists t believe that the rest f it is useless及第三段内容可知科学家犯的错误是低估了垃圾DNA的作用，现在正在纠正这个错误，也就是在重新确认垃圾DNA的重要性。B项符合题意，故答案为B。
3.C推理判断题。根据最后一段中 Mark Rubin解释的内容That's exactly the same way we will use this data in cancer research可知，通过垃圾DNA找出的数据将运用到癌症的研究中，故答案为C。
Ⅱ.七选五
语篇解读：本文是一篇说明文。视力在我们的生活中扮演着重要的角色，所以改善和保护自己的视力是很重要的。文章介绍了可以保持你的视力健康和敏钪的方法。
1.F 根据本空前 it is imprtant fr yu t imprve and prtect yur eyesight以及下文介绍的保护视力健康和敏锐的方法可推断，F项 There are many ways t keep yur eyesight healthy and sharp符合语境故选F。
2.A 根据本空后一句 Similar t ther rgans，a diet high in fruits and vegetables and lw in sugar and fatty fds will g a lng way in maintaining healthy eyes.推断，此处讲述眼睛需要营养，A项 They need nutritin t functin well..符合语境，故选A。
3.G 根据本空后一句 Plan t exercise yur eyes when yu wake up，befre ging t bed，r when yur eyes are tired.可知，此处讲述要锻炼你的眼睛，G项 Exercising yur eyes daily will help yu maintain healthy eyes.符合语境，故选G。
4.C 根据本空前主要讲需要足够的睡眠及本空后主要讲缺乏睡眠会导致的视力问题可推断，C项 A lack f sleep will weaken yur visin health符合语境，故选C。
5.E 根据本空前一句 Besides，mst jbs nwadays invlve sme degree f cmputer usage，meaning almst everyne will be spending time in frnt f a cmputer..可知，E项Unfrtunately，this can result in eye strain r injury.符合语境，this指代上文提到的使用计算机，故选E。
Ⅲ.完形填空
语篇解读：这是一篇夹叙夹议文。作者小时候有很多梦想，并且随着年龄增长，梦想也发生着变化。作者很多年后才意识到当下的生活才最重要，不能浪费当下宝贵的分一秒。
1.C考查动词辨析。句意：然后我梦想变成消防员，从着火的大楼里营救人们。liberate解放；carry运送；rescue营救；supprt支持。根据常识，消防员是灭火救人的。故选C。
2.A考查动词辨析。句意：我迫不及待地长大变成成年人wat等待；stp停止；stay停留；rest休息。culdn't wait t d sth.迫不及待地做某事，是一个固定搭配，故选A。
3.D考查动词辨析。句意：进入大学后，那些梦想改变了。remain保持；match相配；break打破；change改变。设空处与下文的“changed again”呼应。故选D。
4.B考查动词辨析。句意：在我结婚有了孩子后，我对未来的梦想又变了。retire退休；marry结婚；succeed成功；divrce离婚。故选B。
5.A考查形容词辨析。句意：现在它不是我梦想的某种职业了，而是我能安定下来，感觉安全的时光。certain某种；firm坚定的，牢固的；prmising有希望的；prfessinal专业的，职业的。我们可以看到作者之前的梦想是某种职业，现在的梦想是一段美好时光。故选A。
6.C考查形容词辨析。句意同上。silent沉默的；gentle温和的；secure安全的，稳妥的；uncertain不确定的。故选C。
7.B考查动词辨析。句意：当然，那个梦想没有发生。lse浪费，遗失；happen发生；prduce生产；destry毁坏。设空处与下句呼应，故选B。
8.D考查动词辨析。句意：我也花了很多年才意识到生活在梦想的未来就是生活在幻想之中，我幻想的每一个瞬间就是从宝贵的现在夺走一瞬间。recgnize认出；appreciate欣赏感激；cnclude推断出，断定；realize意识到。故选D。
9.B考查名词辨析。句意同上。hpe希望；fantasy幻想；fable寓言；sight景象。由于下文讲的是要珍惜现在，不要活在梦想之中，所以这里说梦想其实就是幻想，不真实的。故选B。
10.A考查形容词辨析。句意同上。precius宝贵的；favrite最喜爱的；cmmn共同的，普通的；ppular流行的。设空处与下文中的 Each secnd f the Nw is precius呼应，故选A。
11.C考查名词辨析。句意：我认为没有完美无忧的未来，因为问题就是生活的一部分。activity活动；mvement运动，活动；life生活，生命；business商业。故选C。
12.B考查名词辨析。句意：我们对未来的梦想仅仅是梦想。reality现实；dream梦想；purpse目的；treasure宝物。这里强调梦想就是梦想，不是现实生活。故选B。
13.D考查形容词辨析。句意：无论它们实现与否都不如当下我们如何过好每一天重要。famus著名的；serius严肃的；impressive给人印象深刻的；Imprtant重要的。设空处与下文的 precius呼应。故选D。
14.A考查动词辨析。句意：今天分享的拥抱决不会被取代。replace取代，替换；fllw跟着；recver恢复；review复习。今天过去就不会回来，所以说今天分享的拥抱不会被取代。故选A。
15.C考查动词短语辨析。句意：错过的一刻的爱决不会再次补上。pick up捡起；break up破碎，分解；make up补上；put up张贴。故选C。