高考英语一轮复习Unit3Backtothepast牛津译林版必修3
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高考英语一轮复习Unit3Backtothepast牛津译林版必修3 1 / 8
Unit 3 Back to the past
一、阅读理解
Everyone knows that death is natural, but do you have any idea of the process of
dying? Modern scientists divide the process of dying into two stages — clinical or
temporary death and biological death. Clinical death occurs when the vital organs,
such as the heart or lungs, have stopped functioning, but have not suffered permanent
damage. The organism can still be saved. Biological death occurs when changes in the
organism lead to the “breaking up ” of vital cells and tissues. Death is then
unchangeable and final.
Scientists have been seeking a way to prolong the period of clinical death so that
the organism can remain alive before biological death occurs. The best method developed
so far involves cooling the organism, combined with narcotic (麻醉) sleep. By slowing
down the body ’s metabolism ( 新陈代谢 ), cooling delays the processes leading to
biological death.
To show how this works, scientists performed an experiment on a six-year-old female
monkey called Keta. The scientist put Keta to sleep with a narcotic. Then they
surrounded her body with ice-bags and began checking her body temperature. When it
had dropped to 28 degrees the scientists began taking blood out from an artery ( 动
脉). The monkey ’s blood pressure decreased and an hour l ater both the heart and
breathing stopped: clinical death set in. For twenty minutes Keta remained in this
state. Her temperature dropped to 22 degrees. At this point the scientists pumpedblood
into an artery in the direction of the heart and started artificial breathing. After
two minutes Keta’s heart became active once more. After fifteen minutes, spontaneous
( 自觉的 ) breathing began, and after four hours Keta opened her eyes and lifted her
head. After six hours, when the scientists tried to give her a penicillin ( 青霉素 )
injection, Keta seized the syringe ( 注射器 )and ran with it around the room. Her
behavior differed little from that of a healthy animal.
1.For a person who suffers from the clinical death _________.
A. he is still very much alive
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B. he cannot avoid final death
C. his most important organs are damaged forever
D. he still has the possibility of getting back to life
2.Scientists try to make the time of clinical death longer in order to _________.
A. cool the organism
B. delay the coming of biological death
C. slow down the body’s metabolism
D. bring vital cells and tissues back to active life
3.The text mainly talks about _________.
A. clinical death and biological death B.an experiment on a monkey
C. the meaning of death D. the process before death
4.From the underlined sentence in the last paragraph we can know that _________.
A. Keta was impolite B. Keta was healthy
C. Keta was ill D. Keta was crazy
【文章粗心】本文主要表达了为了延缓生理死亡的到来, 科学家尽量延伸临床死亡的时间。
1.D 【分析】细节理解题。 由文章第一段内容“ Clinical death occurs when the vital organs,
such as the heart or lungs, have stopped functioning, but have not suffered
permanent damage. The organism can still be saved ”可知,一个临床死亡的人还有
可能活过来,应选 D。
3.A 【分析】要旨粗心题。文章第一段提出了人类死亡的两个阶段:临床死亡和生理死亡;第
二段提出科学家们想方法延伸临床死亡; 第三段经过用猴子做实验来考证延伸临床死亡的
方法,故本文主要阐述了临床死亡和生理死亡,选 A 项。
4.B 【分析】推理判断题。联合文章最后一句“ Her behavior differed little from that of
a healthy animal. ”(她的行为无异于健康动物的行为) ,可推知划线部分句子说明 Keta
是健康的,应选 B 项。
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二、词汇练习。
1. 讲座 n
2. take over
3. pour
4. flee
5. 灾害 n
6. 破坏 v
7. 文化的 a
8. beneath
9. document
10. extreme
11. 典礼 n
12. stand in one ’ s way
13. vast 14. corrupt
15. erupt
16. commercial
17. march 18. ___________ a new flat
a fancy ____________
装潢
19. seek fame and _________
become very ___________
富饶
20. Don’ t _________ about being alone.
Don’ t tell me ___________ about this.
诉苦
21. be ___________ of protecting the environment
raise the _________of saving water
意识
3