4 a certain doubt among the students as to the necessity of the work. A There has had B They had C There existed D It existed 题目和参考答案——青夏教育精英家教网—

完形填空（每小题1分，共20分）

A high school history teacher once told us, “If you make one close friend in school, you will be most fortunate. A 21 friend is someone who stays with you for life”. 22 teaches that he was right. Good friendship is just not easily 23 .

It is possible that we simply do not stay in one place 24 enough for true

friendship to develop. However, there can be 25 disagreement on the need for each of us to think carefully about the kind of friendship we want.

To most of us, friendships are considered very important, 26 we need to

have it clear in our minds the kinds of friendship we want. Are they to be close or 27 at arm’s length? Do we want to 28 ourselves or do we want to walk on the surface? For some people, many friendships on the surface are 29 enough. And that’s all right. But at some 30 we need to make sure that our expectations are the same as our friends’ expectations. The sharing of personal experience including our tears as well as our dark 31 is the surest way to deepen friendships. But it must 32 slowly and carried on only if there are 33 of interest and action in return.

What are some of the 34 of our friendship? The greatest is to 35 too

much too soon. Deep relationships 36 time. Another “major difficulty” is the selfishness to think one “possesses” the other, including his time and attention. 37 , friendships require actions in return. In other words, you must 38 as much as you take. Finally there is a question of taking care of. Unless you spend 39 time together, talking on the phone, writing letters, doing things together, friendships will die 40 .

1. A. useful B. fair-weather C. school D. true

2. A. Knowledge B. Hardship C. Experience D. Schooling

3. A. formed B. understood C. realized D. produced

4.A. certain B. long C. patiently D. Fortunately

5. A. some B. any C. no D. great

6.A. and B. but C. or D. while

7. A. remained B. left C. stayed D. kept

8. A. share B. deepen C. strengthen D. hide

9. A. less B. not C. quite D. very

10.A. degree B. places C. point D. length

11. A. clothes B. dreams C. clouds D. Letters

12. A. be undertaking B. be undertaken C. have been undertaken D. have been undertaking

13. A. signs B. marks C. sciences D. sights

14. A. disadvantages B. differences C. requirements D. difficulties

15. A. command B. pull out Ｃ. expect D. develop

16. A. waste B. take C. kill D. spend

17. A. Surprisingly B. Differently C. Strangely D. Similarly

18. A. act B. possess C. give D. walk

19.A. considerate B. reasonable C. wonderful D. comfortable

20.A. away B. down C. out D. off

In general, it seems reasonable to suppose that we should prefer peace and quiet to noise. And yet most of us have had the experience of having to adjust to sleeping in the mountains or the countryside because it was initially “too quiet”, an experience that suggests that humans are capable of adapting to a wide range of noise levels. Research supports this view. For example, Glass and Singer (1972) exposed people to short bursts of very loud noise and then measured their ability to work out problems and their physiological reactions to the noise. The noise was quite disruptive at first, but after about four minutes the subjects were doing just as well on their tasks as control subjects who were not exposed to noise. Their physiological reactions also declined quickly to the same levels as those of the control subjects.

But there are limits to adaptation and loud noise becomes more troublesome if the person is required to concentrate on more than one task. For example, high noise levels affect the performance of subjects who were required to monitor three dials at a time, a task not unlike that of a plane pilot or an air-traffic controller. Similarly, noise did not affect a subject’s ability to track a moving line with a steering wheel, but it did affect the subject’s ability to repeat numbers while tracking (Finkelm and Glass 1970).

Probably the most significant finding from the research on noise is that its predictability is more important than how loud it is. We are much more able to “tune out” long-lasing background noise, even if it is quite loud, than to work under circumstances with unexpected disturbance of noise. In Glass and Singer’s study, in which subjects were exposed to bursts of noise as they worked on a task, some subjects heard loud bursts and others heard soft bursts. For some subjects, the bursts were spaced exactly one minute apart (predictable noise); others heard the some amount of noise overall, but the bursts occurred at random intervals (unpredictable noise). Subjects reported finding the predictable and unpredictable noise equally annoying, and all subjects performed at about the same level during the noise portion of the experiment. But the different noise conditions had quite different after-effects when the subjects were required to proofread written material under conditions of no noise. The study shows that the unpredictable noise produced more errors in the later proofreading task than predictable noise; and soft unpredictable noise actually produced slightly more errors on this task than the loud predictable noise.

Apparently, unpredictable noise produces more fatigue than predictable noise, but it takes a while for this fatigue to take its toll on performance.

1.When talking about people’s difficulty in sleeping in the mountains, what can be inferred in the passage?

A. They usually do not prefer peace and quiet to noise.

B. They may be exposed to short bursts of very strange sounds.

C. They prefer to hear a certain amount of noise while they sleep.

D. They may not have adapted to a higher noise level in the city.

2.What did Glass and Singer find in their noise experiment?

A. Problem-solving is much easier under quiet conditions.

B. Physiological reactions prevent the ability to work.

C. Bursts of noise hardly disturb problem-solving in the long term.

D. The physiological reactions of the control subjects declined quickly.

3.Researchers discovered that high noise levels are not likely to affect the __________.

A. successful performance of a single task

B. tasks of pilots or air traffic controllers

C. ability to repeat numbers while tracking moving lines

D. ability to monitor three dials at once

4. What does “take its toll on performance” in the passage probably mean?

A. Destroy the performance completely.

B. Have a negative effect on the performance.

C. Improve the performance greatly.

D. Have a positive influence on the performance.

DONATE YOUR OLD JEANS AND DO THE PLANET GOOD

What Will Be Done With All This Denim?

All the denim (牛仔布) will be donated to Cotton. From Blue to Green. This denim drive recycled jeans into UltraTouch^TMNatural Cotton Fiber Insulation, which is used to help build houses in places that have been damaged by hurricanes and other natural disasters. Your jeans will help keep clothes out of landfills, and build houses for families to live in! UltraTouch^TM is made of 85% recycled fibers and is an environmentally safe, natural cotton fiber insulation.

It’s a Fact: It takes about 500 pairs of old jeans to insulate one average-size US house.

Here’s How You Can Get Involved!

1. Get a parent’s permission and select as many denim jeans as you like. (Any denim clothing is OK.)

2. The denim must be used and can be any brand.

3. The denim can be any color or size but must have been worn by a human. (no doll clothes!)

4. Jeans must be received by June 30, 2011.

POST A JOB AD—IDEAL FOR CASUAL ADVERTISERS

REGISTER NOW AND POST A JOB AD

All job Advertisements are reviewed and uploaded usually within 24 hours.

Standard Job Advertisement

$65.00 + GST (Goods and Service Tax) = $ 71.50

Premium Job Advertisement

$80.00 + GST = $88.00

No additional costs for all the features below.

Standard Job Ad Features:

---Active for 30 days

---Include your company LOGO

---Update or Edit live ads online anytime

---Access state of your job ad

---Unlimited text to describe your vacancy

(able to insert HTML links—very useful if you want candidate to apply using your own online application on your corporate website)

---Able to copy and paste your active job ad from other job sites including logo and layout

Premium Job Ad Features:

---All the features of a standard Job Ad

---Displayed on top of the main job search page with highlighted colors also within the standard job ads in its highlighted format. For any questions contact us.

REGISTER NOW AND POST A JOB AD

1.The denim clothing that you intend to donate ____________.

A. can be either new or second-hand B. can be of any size or color

C. must be a certain famous brand D. can be worn by dolls and humans

2.Which of the following statements is TRUE according to the ad?

A. UltraTouch^TMmay be the name of a building material.

B. UltraTouch^TM can protect houses from natural disasters.

C. The deadline of the denim clothing donated is July 20, 2011.

D. The denim clothing is collected to provide clothes for the homeless.

3.Premium Job Ad is different from Standard Job Ad because it ____________.

A. doesn’t need paying additional money B. can be shown on top of the main job search page

C. is active for more than 30 days online D. can be inserted HTML links on your own website.

阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

A high school history teacher once told us, “If you make one close friend in school, you will be most fortunate. A 1friend is someone who stays with you for life”. 2teaches that he was right. Good friendship is just not easily 3.

It is possible that we simply do not stay in one place 4enough for true friendship to develop. However, there can be 5disagreement on the need for each of us to think carefully about the kind of friendship we want.

To most of us, friendships are considered very important, 6we need to have it clear in our minds the kinds of friendship we want. Are they to be close or 7at arm’s length? Do we want to 8ourselves or do we want to walk on the surface? For some people, many friendships on the surface are 9enough. And that’s all right. But at some 10we need to make sure that our expectations are the same as our friends’ expectations. The sharing of personal experience including our tears as well as our dark 11is the surest way to deepen friendships. But it must 12slowly and carried on only if there are 13of interest and action in return.

What are some of the 14of our friendship? The greatest is to 15too much too soon. Deep relationships 16time. Another “major difficulty” is the selfishness to think one “possesses” the other, including his time and attention. 17, friendships require actions in return. In other words, you must 18as much as you take. Finally there is a question of taking care of. Unless you spend 19time together, talking on the phone, writing letters, doing things together, friendships will die 20.

1.A. true B. fair-weather C. school D. useful

2.A. Knowledge B. Experience C. Hardship D. Schooling

3.A. understood B. formed C. realized D. produced

4.A. certain B. patiently C. long D. fortunately

5.A. some B. any C. great D. no

6.A. but B. and C. or D. while

7.A. remained B. left C. kept D. stayed

8.A. hide B. deepen C. strengthen D. share

9.A. quite B. not C. less D. very

10.A. degree B. point C. places D. length

11.A. clothes B. clouds C. dreams D. letters

12.A. be undertaking B. have been undertaking

C. have been undertaken D. be undertaken

13.A. marks B. signs C. sciences D. sights

14.A. disadvantages B. differences C. difficulties D. requirements

15.A. expect B. pull out Ｃ.command D. develop

16.A. waste B. spend C. kill D. take

17.A. Similarly B. Differently C. Strangely D. Surprisingly

18.A. give B. possess C. act D. walk

19.A. considerate B. wonderful C. reasonable D. comfortable

20.A. down B. away C. out D. off

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