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完形填空

  The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class.In the past 15 years,   1   have reported well over 100   2   that could have been caused by electromagnetic interference.The   3   of this interference remains unconfirmed,   4   increasingly, experts are pointing the blame at portable electronic devices such as portable computers, radios and cassette players and mobile telephones.

  RTCA, an organization which   5   the aviation industry, has recommended that   6   airlines ban such electronic devices from being used   7   “critical” stages of flight,   8   take-off and landing.Some experts have gone further,   9   for a total ban during all flights.Currently, rules on using these devices are   10   up to individual airlines.And although some airlines prohibit passengers from   11   such equipment during take-off and landing, most are reluctant to enforce a total ban.Many passengers want to work during flights.

  The   12   is predicting how electromagnetic fields   13   affect an aircraft’s computers.Experts   14   that portable devices emit radiation, which affects those wavelengths which   15   use for navigation and communication.But, they have not been able to   16   these effects in a laboratory, they have no   17   of knowing whether the interference might be   18   or not.

  The fact that aircraft may be vulnerable(易受攻击)to interference   19   the risk that terrorist may use radio system in order to   20   navigation equipment.

(1)

[  ]

A.

drivers

B.

conductors

C.

engineers

D.

pilots

(2)

[  ]

A.

actions

B.

events

C.

incidents

D.

matters

(3)

[  ]

A.

reason

B.

effect

C.

source

D.

story

(4)

[  ]

A.

and

B.

for

C.

but

D.

so

(5)

[  ]

A.

ensures

B.

persuades

C.

advises

D.

warns

(6)

[  ]

A.

some

B.

all

C.

several

D.

no

(7)

[  ]

A.

for

B.

with

C.

by

D.

during

(8)

[  ]

A.

particularly

B.

specially

C.

unfortunately

D.

possibly

(9)

[  ]

A.

calling

B.

looking

C.

waiting

D.

asking

(10)

[  ]

A.

put

B.

left

C.

given

D.

sent

(11)

[  ]

A.

carrying

B.

taking

C.

using

D.

fixing

(12)

[  ]

A.

possibility

B.

difficulty

C.

necessity

D.

idea

(13)

[  ]

A.

must

B.

should

C.

need

D.

might

(14)

[  ]

A.

know

B.

tell

C.

guess

D.

think

(15)

[  ]

A.

aircraft

B.

trains

C.

ships

D.

cars

(16)

[  ]

A.

restudy

B.

retell

C.

reproduce

D.

renew

(17)

[  ]

A.

key

B.

way

C.

step

D.

trick

(18)

[  ]

A.

dangerous

B.

strong

C.

helpful

D.

useful

(19)

[  ]

A.

faces

B.

runs

C.

raises

D.

take

(20)

[  ]

A.

damage

B.

guide

C.

lead

D.

repair

答案:1.D;2.C;3.C;4.C;5.C;6.B;7.D;8.A;9.A;10.B;11.C;12.B;13.D;14.A;15.A;16.C;17.B;18.A;19.C;20.A;
解析:

(1)

文章第一句已表示:当今面对航空公司最大的安全威胁不是持枪的恐怖分子,而是手提电脑。所以飞机上的这种事情最了解的应是飞行员,而不是A、B、C项的那些人。

(2)

此处指飞机上发生的这类事情,incident指较小的事件,插曲,小故事。action是“(采取的)行动”之意;event是大事件;matter指问题、事情、或麻烦事等,均不合适。

(3)

根据下句话得知“手提电脑,移动电话”等这些电子装置应是“干扰源”,而不是受干扰的结果,受干扰的应当是飞机。

(4)

“没有确认”(unconfirmed)与“在增加”(increasing)中间应是转折关系,不是递进、因果关系,所以不选A、B、D项。

(5)

因为下文用了recommend(劝告)一词,所以这个组织应该是向航空工业提建议的一个组织,这样才前后一致。

(6)

因为这种电磁的(electromagnetic)干扰对飞机航空的安全造成最大的威胁,所以应该是所有的飞机都要有这样的禁令。

(7)

此处指飞机在飞行期间的一些对技术设备要求严格、要求高的时期,一定要严禁使用此类装置。

(8)

据上面解释,特别是起飞时。

(9)

有些专家要求更高,要求正在飞行期间要禁用。call for“需要,要求”;ask for“要,索取”。

(10)

表示目前使用这些设置的规矩都留了下来,由那些individual airlines自己决定,因为下文有表达:许多乘客还是想去飞机上办公。

(11)

这种装置可以携带,不能使用,一旦使用产生电磁效应干扰,所以选C项。

(12)

推断出电磁效应是如何影响飞机的计算机,这在目前是件难事,如果不难,科学家能解决,就不必有禁令了,所以选difficulty。

(13)

表示“可能”因为拿不准,语气轻。

(14)

这些手提装置已广为人们所用,所以科学家的空谈是“知道”,而不是“猜”或“认为”,tell后缺少sb.。

(15)

该文讲的都是航空,选A项(飞机,飞行器)。

(16)

该句主语为they,指的是那些有电磁效应的装置,因此不选A、B项,选C项表意为“再现”;而renew表意为“更新,重新开始”。

(17)

因为这些装置在实验室里那些干扰还未能再现,所以科学家们就没有办法得知这种干扰是否危险。

(18)

是否危险。

(19)

飞机容易受干扰攻击的这一事实增加了恐怖分子冒险利用无线电系统破坏航空设备的可能性。

(20)

恐怖分子只会冒险破坏,而不会去修理、引导等。


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Earthquake

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[  ]
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完形填空

阅读下面短文,从短文后所给各题的四个选项(ABCD)中选出能填入空白处的最佳选项。

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完形填空

阅读下面短文,从短文后所给各题的四个选项(ABCD)中选出能填入空白处的最佳选项。

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1.A.like                               B.being

C.as                                D.with

2.A.tired                               B.bored

C.pleased                           D.angry

3.A.men                              B.games

C.music                             D.master

4.A.some                              B.much

C.a little                             D.no

5.A.passed                             B.spent

C.entered                           D.wasted

6.A.exciting                           B.moving

C.interesting                         D.living

7.A.marry to                            B.accept

C.receive                           D.find

8.A.friends                            B.work

C.a home                           D.children

9.A.another                            B.some

C.the other                           D.other

10.A.wrote                            B.put

C.gave                             D.posted

11.A.single                             B.married

C.only                             D.lonely

12.A.Most                             B.Few

C.All                                D.Some

13.A.worrying                              B.encouraging

C.boring                               D.surprising

14.A.before                           B.later

C.more                                 D.ago

15.A.from                             B.since

C.after                               D.until

16.A.expect                           B.suppose

C.know                             D.feel

17.A.one                             B.it

C.them                                 D.him

18.A.pay to                            B.pay off

C.pay for                           D.pay back

19.A.ordinary                           B.handsome

C.special                            D.lovely

20.A.feeling                           B.sense

C.way                             D.kind

 

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