When people first began to drill for oil, their 1 were not scientific . They just 2 round the country and asked themselves, “ 3 shall we drill a well?” Sometimes they chose the 4 because they found oil on the 5 . ut they chose the place for no 6 reason . They took a 7 .

  Drilling an oil well is 8 , and the work can be 9 . In the past there were often 10 . Sometimes the drilling suddenly 11 the rocks into an oil-trap. The great 12 inside the trap then caused an explosion (爆炸) . Oil and gas shot up the 13 and made great gushers (井噴) in the 14 . Sometimes there were great 15 , which people could see many 16 away.

  Today drilling is very scientific. Scientists and engineers plan all the work. They plan the 17 of wells. They choose their positions in the 18 . They also advise and 19 the men who drill the wells how to work better. 20 , there are very few accidents today.

1.

[  ]

A.materials
B.methods
C.experiments
D.tools

2.

[  ]

A.looked
B.travelled
C.searched
D.showed

3.

[  ]

A.How
B.Why
C.When
D.Where

4.

[  ]

A.position
B.well
C.condition
D.way

5.

[  ]

A.water
B.surface
C.ground
D.street

6.

[  ]

A.clear
B.special
C.well-known
D.correct

7.

[  ]

A.pride
B.place
C.plan
D.chance

8.

[  ]

A.interesting
B.tiresome
C.difficult
D.easy

9.

[  ]

A.dangerous
B.expensive
C.instructive
D.done

10.

[  ]

A.stories
B.scenes
C.events
D.a(chǎn)ccidents

11.

[  ]

A.broke through
B.sank down
C.got over
D.threw out

12.

[  ]

A.oil
B.gas
C.pressure
D.strength

13.

[  ]

A.channel
B.canal
C.path
D.hole

14.

[  ]

A.heaven
B.sky
C.a(chǎn)ir
D.space

15.

[  ]

A.drills
B.fires
C.machines
D.burning

16.

[  ]

A.years
B.inches
C.distances
D.miles

17.

[  ]

A.number
B.size
C.length
D.depth

18.

[  ]

A.field
B.valley
C.ocean
D.world

19.

[  ]

A.lead
B.order
C.guide
D.force

20.

[  ]

A.In fact
B.As a result
C.That is to say
D.On the whole
答案:B;B;D;A;C;B;D;C;A;D;A;C;D;C;B;D;A;A;C;B
解析:

1.解析:

這是一篇介紹鉆井采油的科普短文。第一句的意思是:“人們最早鉆井采油時(shí),所采用的方法并不科學(xué)!敝挥蠦項(xiàng)的methods有“辦法、方法”的意思。

2.解析:

由于search與around一般不搭配,可排除C項(xiàng)。而從look around(環(huán)顧,四下看看),travel around (到處走走),show around(帶領(lǐng)……參觀)三個(gè)詞組中挑選,B項(xiàng)屬最佳選項(xiàng)。

3.解析:

到處走走的目的是想知道油田在哪兒。故D項(xiàng)(Where)為正確答案。

4.解析:

position可理解為“鉆井的位置、方位”。鉆井要確定位置,這是最起碼的常識(shí)。

5.解析:

全句的意思是:“有時(shí)人們選擇了某個(gè)位置鉆井,并沒(méi)有什么特別的原因,只是在地面發(fā)現(xiàn)了油!

7.解析:

句中使用詞組“take a chance(冒險(xiǎn),投機(jī))”可以表示出作者的觀點(diǎn):以前的找油打井方法,是缺乏科學(xué)根據(jù)的,全憑碰運(yùn)氣,不可靠。故D項(xiàng)(chance)是必然選擇。

10.解析:

與前一句相銜接,進(jìn)一步說(shuō)明危險(xiǎn)的所在:“經(jīng)常發(fā)生事故。”accidents可以表示“意外的事故”。

11.解析:

四個(gè)選項(xiàng) broke through(穿透),sank down (沉下來(lái)),got over(越過(guò)),threw out(扔掉)中,A項(xiàng)符合文中的情景:有時(shí)鉆井突然穿透了巖層碰到了油層。

12.解析:

造成井噴的原因,應(yīng)該是油層中的pressure(壓力)過(guò)大。C項(xiàng)(pressure)是最佳選項(xiàng)。

14.解析:

詞組in the air(在空中),在平常與它對(duì)應(yīng)的詞是on the ground(在地面)。但是在本文中它可與前面句中的inside the oil-trap(在油層里)相對(duì)應(yīng)。

15.解析:

井噴會(huì)引起大火。B項(xiàng)(fires)是必然選擇。

16.解析:

句意為:“大火在很遠(yuǎn)處都能看到。”years 只能表示時(shí)間,不能表示距離:inches(英寸)單位太小,不足以表示“遠(yuǎn)處”;distance(距離),盡管可以與a連用,但是它一般不用復(fù)數(shù),選項(xiàng)的distances詞形有誤。所以A、B和C三項(xiàng)都可排除。填入D項(xiàng)(miles)后,句意成了:“大火在很多英里外都能看到!狈仙舷挛牡囊。

17.解析:

前面兩句的意思是:“現(xiàn)在鉆井已經(jīng)非?茖W(xué)?茖W(xué)家和工程師們計(jì)劃好所有的工作!痹诒揪渲,粗略一看,本題四個(gè)選項(xiàng)都可以。number(數(shù)量),size(大。,length(長(zhǎng)度)和depth(深度)都應(yīng)該是計(jì)劃的一部分。但是仔細(xì)比較,A項(xiàng)(number)最佳,因?yàn)殂@井

的數(shù)量計(jì)劃好了,才能避免更多的浪費(fèi)。

19.解析:

科學(xué)家與工程師同鉆井工人的關(guān)系應(yīng)該是指導(dǎo)與被指導(dǎo)的關(guān)系。選用C項(xiàng)(guide)合情合理。

20.解析:

四個(gè)詞組In fact(實(shí)際上),As a result(因此),That is to say(那就是說(shuō))和On the whole(總的看來(lái))都可以用作插入語(yǔ)填入句中。但是從前面敘述的內(nèi)容,可以看出今天,很少再發(fā)生事故,是由于科學(xué)指導(dǎo)的結(jié)果。最后一句與前文有明顯的因果關(guān)系,而使用B項(xiàng)(As a result)最能表示出這種關(guān)系。所以 B項(xiàng)最佳。


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