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英语练功房

Challenge both your English & minds

 
 
 

日志

 
 

0611  

2012-06-11 09:52:50|  分类: Lectures |  标签: |举报 |字号 订阅

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Space is a dangerous place. not only because of meteors(流星) but also because of rays from the sun and other stars.The atmosphere again acts 1 our protective blanket on 2 .Light gets through, and this is essential 3 plants to make the food which we 4 .Heat, 5 , makes our environments tolerable and some ultraviolet rays(紫外线的) penetrate the 6 .Cosmic(宇宙的) rays of various kinds come 7 the air from outer space but 8 quantities of radiation from the sun are screened off. 9 men leave the atmosphere they are 10 to this radiation, 11 their spacesuits or the walls of their spacecraft, if they are inside, 12 prevent a lot of radiation damage.Radiation is the greatest known danger to explorers in 13 .Doses of radiation are measured in 14 called"rems (雷目)".We all 15 radiation here on earth from the sun from cosmic rays and from radioactive minerals.The"16 "dose of radiation that we receive each year is about two millirems; it 17 according to where you live, and this is a very rough estimate.Scientists have reason to think 18 a man can 19 far more radiation 20 without being damaged the figure of 60 rems has been agreed.  

 

1.A.for B.with C.on D.as
2.A.stars B.sun C.earth D.space
3.A.with B.from C.under   D.for
4.A.use B.live C.eat D.get
5.A.again B.also C.besides D.too
6.A.environment B.space C.atmosphere D.earth
7.A.across B.to C.from D.through
8.A.valid B.enormous C.various D.proper
9.A.As soon as B.As well as C.As much as D.As possible as
10.A.shown B.exposed C.faced D.covered
11.A.but B.because C.so D.so  that
12.A.get B.make C.have D.do
13.A.earth B.atmosphere C.space D.environment
14.A.pieces B.units C.parts D.elements
15.A.receive B.accept C.bring D.catch
16.A.conventional B.common C.general    D.normal
17.A.shifts B.converts C.modifies D.varies
18.A.what B.which C.that D.why
19.A.put up with B.keep up with C.come up with  D.catch up with
20.A.from B.than C.as D.away

 

 

 
答案与解析:
1.D
act as“充当、起……作用act for“代表、代理act on“按照。本句意为大气层起到保护伞的作用。  
2.C
见上题分析。  
3.D
be essential for“
……来说是首要的、基础的,固定搭配。  
4.C
只有eat与先行词food和定语从句which we…搭配。  
5.D
本句意为:热不仅使我们的生产环境温度适宜,而且紫外线也能穿透大气。also一般紧跟动词;besides一般用在句前;too可用在句中,用逗号隔开。  
6.C
根据上题所讲,penetrate这个动词后面应接atmosphere“大气这个名词。  
7.D
这里的come through相当于penetrate,穿透。come across“偶遇come to“来到come from“来自。本句意为:各类来自外部空间的宇宙射线穿透大气层……,故选come through.  
8.B
Valid
有效的;various各种各样的;proper合适的。在四个选项中只有enormous表示大量的意思。  
9.A
as soon as“
只要as well as“……之外as much as“……一样多as possible as“尽可能的。  
10.B
be exposed to“
暴露于show“展示face“面对。  
11.A
本句前半句的意思是:人们一离开大气层就会接触射线;后半句意思是:他们的太空服和太空船会阻止射线造成的损害。前后应该是转折关系,故用but  
12.D
Do +
动词原型的结构表示强调谓语动词。  
13.C
radiationexplorers可推测,应选space(太空)。本句意为射线是探险者在太空遇见的已知的最大危险。  
14.B
unit“
单位、单元element“元素part“部分piece“碎片本句意为:射线的多少可以以雷目这个测量单位测量。  
15.A
receive
表示客观收到;accept表示主观接受。我们受到的辐射并非主观接受。  
16.D
conventional“
传统的common“共同的、普通的general“一般的、总体的normal“正常的。本句意为:我们每年接受的正常辐射量……,故选normal.
17.D

shift“
移动convert“转换modify“修改vary“变化。根据句意,所处地点不同,所受辐射量也不一样……,故选varies.  
18.C
本句应填入引导宾语从句的代词,而从句不缺少主语和宾语,因而不选择whatwhich,又加之主句是陈述语气,故选择that.  
19.A
put up with“
忍受,固定搭配。keep up withcatch up with意为跟上,come up with意为提出。  
20.B
more
radiation)后应加than.

 

 

    As the plane circled over the airporteveryone sensed that something was wrong.The plane was moving unsteadily through the air, and 1 the passengers had fastened their seat belts, they were suddenly 2 forward.At that moment, the air-hostess 3 .She looked very pale, but was quite 4 .Speaking quickly but almost in a whisper, she 5 everyone that the pilot had 6 and asked if any of the passengers knew anything about machines or at 7 how to drive a car.After a moments 8 , a man got up and followed the hostesssintosthe pilot's cabin.Moving the pilot 9 , the man took his seat and listened carefully to the 10 instructions that were being sent by radio from the airport 11 .The plane was now dangerously close 12 the ground, but to everyone's 13 , it soon began to climb.The man had to 14 the airport several times insgroupsto become 15 with the controls of the plane. 16 the danger had not yet passed.The terrible 17 came when he had to land.Following 18 , the man guided the plane toward the airfield.It shook violently 19 it touched the ground and then moved rapidly 20 the runway and after a long run it stopped safely.   


 

1.A.although B.while C.therefore D.then
2.A.shifted B.thrown C.put D.moved
3.A.showed B.presented C.exposed D.appeared
4.A.well B.still C.calm D.quiet
5.A.inquired B.insured C.informed D.instructed
6.A.fallen B.failed C.faded D.fainted
7.A.best B.least C.length D.first
8.A.hesitation B.surprise C.doubt D.delay
9.A.back B.aside C.about D.off
10.A.patient B.anxious C.urgent D.nervous
11.A.beneath B.under C.down D.below
12.A.to B.by C.near D.on
13.A.horror B.trust C.pleasure D.relief
14.A.surround B.circle C.observe D.view
15.A.intimate B.familiar C.understood D.close
16.A.Then B.Therefore C.But D.Moreover
17.A.moment B.movement C.idea D.affair
18.A.impression B.information
C.inspections D.instructions
19.A.as B.unless C.while D.so
20.A.around B.over C.along D.above

 

 

答案与解析:
1.A
本句意为尽管乘客们都已经系好安全带,他们还是被突然向前抛去。Although尽管,引导让步状语从句,符合句意。while……时候;therefore因此;then接着、然后。  
2.B
根据上题注释,这里选择throw扔、抛,最为合适。shift转移;move移动。  
3.D
show
展示、表明;present呈现、陈述,及物动词;expose暴露。appear出现,符合句意。  
4.C
well
健康的;still静止的;calm镇静的;quiet安静的。前句说她看上去脸色苍白,后半句进行转折,calm最符合句意。  
5.C
inform
通知、告诉,符合句意。inquire询问;insure保险、投保,常与aginst连用;instruct指示、指令。  
6.D
fallen
摔倒、跌落;fail失败;fade衰弱(视力、听觉、记忆);faint昏迷、晕倒。D项最符合句意。  
7.B
at best
最多、至多;at least至少;at length详细地;at first开始、最先。at least最符合句意。  
8.A
hesitation
犹豫;surprise吃惊;doubt疑问;delay延迟。hesitation最符合句意。  
9.B
本句意为把飞行员挪到一边。aside意为一边、旁边,符合句意。back向后;about到处;move off指车辆启程。  
10.C
本句意为:这个人坐到飞行员的座位上,认真听发自下面机场通过无线电发出的紧急指令。patient耐心的;anxious焦急的;nervous紧张的,都不符合句意。只urgent合适。  
11.D
beneath
under为介词,后面必需接名词。down向下地,副词。below在下方地,副词,符合句意。  
12.A
close
与介词to连用,意为近的。其他介词不与close搭配。  
13.D
horror
恐惧;trust信任;pleasure愉快;relief(痛苦、忧虑)解除。to one
s relief意为让某人松了一口气,最符合句意。  
14.B
surround
包围;circle盘旋;observe观察;view认为。此处选择circle,最符合句意。  
15.B
be familiar with
为固定搭配,意为熟悉,排除其他选项。  
16.C
本句意为危险还没过去,与前句形成转折关系。选项中then表顺承,therefore表结果,but表转折,moreover表递进。  
17.A
根据句意推断,空格处所填词应与when he had做同位语,故moment符合句意。movement运动,idea想法,affair事件。  
18.D
following…
这个分词的逻辑主语应为the man,本句意思应为,这个人遵照指令,驾驶飞机朝机场飞去。impression意为印象,information消息,inspections视察,instructions指令。  
19.A
as
……的时候,符合句意。unless除非。while……时候,它引导的从句动作时间比as引导从句动作的时间要长。So因此,表结果,不符合句意。  
20.C

本句意为:飞机沿着跑道滑行了很长一段距离后,安全地停下来了。move along是沿着……移动的意思。around……周围,over……之上,above……上方。只有along符合句意。

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