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阅读下面短文, 掌握其大意, 然后从1 ̄20各题所给的四个选项中, 选出一个 最佳答案。
The soldiers had just moved to the desert, and as they had never been in such a 1 before, they had a lot to 2.
As there were 3 trees or buildings in the desert, it was, of course, very 4 to hide their trucks from enemy 5. The soldiers were 6 given training in camouflage, which means 7 of covering something 8 the enemy cannot see where it is. They were shown how to paint their trucks in irregular patterns (图案) with pale green, 9, and brown paints.
The driver who had the 10 truck went to a lot of trouble to camouflage it. He spent several 11 painting it. When it was finished, he looked 12 at his work and then went off to have his 13.
But when he came back to the truck 14 he had had his meal, he was surprised and 15 to see that his camouflage work was completely spoilt (毁坏) by the truck's shadow (影子), which was growing longer and longer as the afternoon advanced.
Soon an officer arrived, and he too saw the shadow, of course. "Well," he shouted to the 16 driver, "What are you going to do about it? If an enemy plane comes over, the 17 will at once 18 that there is a truck there."
"I know, 19," answered the soldier.
"Well, don't just 20 there doing nothing!" said the officer. "What shall I do?" asked the driver.
"Get your spade (铲子) and throw some sand over the shadow, of course!" answered the officer.
(1) A. country B. town C. day D. place
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(2) A. study B. learn C. discover D. talk about
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(3) A. some B. no C. more D. many
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(4) A. hard B. easy C. dangerous D. valuable
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(5) A. soldiers B. spaceships C. planes D. trucks
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(6) A. otherwise B. therefore C. after all D. at last
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(7) A. knowledge B. experiments C. experience D. ways
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(8) A. so that B. as if C. so far D. because
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(9) A. white B. red C. yellow D. blue
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(10) A. biggest B. smallest C. best D. worst
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(11) A. minutes B. hours C. days D. weeks
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(12) A. carefully B. attentively
C. disappointedly D. proudly
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(13) A. breakfast B. lunch C. supper D. lessons
(14) A. after B. before C. as soon as D. in order that
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(15) A. happily B. worried C. excited D. terrified
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(16) A. clever B. brave C. poor D. rich
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(17) A. engineer B. driver C. captain D. pilot
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(18) A. know B. hear C. remember D. cry out
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(19) A. man B. gentleman C. sir D. my boy
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(20) A. stand B. sit C. talk about D. lie
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查看习题详情和答案>> A few months ago, it wasn't unusual for 47-year-old Carla Toebe to spend 15 hours per day online. She'd wake up early, turn on her laptop and chat on Internet dating sites and instant-messaging programs – leaving her bed for only brief breaks. Her household bills piled up, along with the dishes and dirty laundry, but it took constant complaints from her four daughters before she realized she had a problem.
"I was starting to feel like my whole world was falling apart – kind of slipping into a depression," said Carla. "I knew that if I didn't get off the dating sites, I'd just keep going," detaching (使脱离) herself further from the outside world.
Toebe's conclusion: She felt like she was "addicted" to the Internet. She's not alone.
Concern about excessive Internet use isn't new. As far back as 1995, articles in medical journals and the establishment of a Pennsylvania treatment center for overusers aroused interest in the subject. But as reliance on the Web grows, there are signs that the question is getting more serious attention: Last month, a study published in CNS Spectrums claimed to be the first large-scale look at Internet overuse. The American Psychiatric Association may also consider listing Internet addiction in the next edition. And scores of online discussion boards have popped up, on which people discuss negative experiences tied to too much time on the Web.
The new CNS Spectrums study was based on results of a nationwide telephone survey of more than 2,500 adults. Like the latest survey, this one was conducted by Stanford University researchers. About 6% of respondents reported that "their relationships suffered because of excessive Internet use." About 9% attempted to conceal "nonessential Internet use," and nearly 4% reported feeling " still occupied by the Internet when offline."
"The Internet problem is still in its early stage," said Maressa Orzack, a Harvard University professor. No single online activity is to blame for excessive use, he said. "They're online in chat rooms, checking e-mail, or writing blogs. The problem is not limited to porn (色情) or gambling websites.”
“Excessive Internet use should be defined not by the number of hours spent online but in terms of losses.”said Maressa Orzack. "If it's a loss where you're not getting to work, and family relationships are breaking down as a result, then it's too much."
Since the early 1990s, several clinics have been established in the U. S. to treat heavy Internet users. They include the Center for Internet Addiction Recovery and the Center for Internet Behavior.
The website for Orzack's center lists the following among the psychological symptoms of computer addiction:
● Having a sense of happin
ess or excitement while at the computer.
● Longing for more and more time at the computer.
● Neglect of family and friends.
● Feeling empty, depremssed or irritable when not at the computer.
● Lying to employers and family about activities.
● Inability to stop the activity.
● Problems with school or job.
Physical symptoms listed include dry eyes, backaches, skipping meals, poor personal hygiene (卫生) and sleep disturbances.
“People who struggle with Internet overuse maybe depressed or have other mood disorders.” Orzack said. When she discusses Internet habits with her patients, they often report that being online offers a "sense of belonging, and escape, excitement and fun," she said. “Some people say relief…because they find themselves so relaxed.”
Some parts of the Internet seem to draw people in more than others. Internet gamers spend countless hours competing in games against people from all over the world. One such game, called World of Warcraft, is cited on many sites by posters complaining of a "gaming addiction."
Andrew Heidrich, an education network administrator from Sacramento, plays World of Warcraft for about two to four hours every other night, but that's nothing compared with the 40 to 60 hours a week he spent playing online games when he was in college. He cut back only after a full-scale family intervention (干预), in which relatives told him he'd gained weight.
“There's this whole culture of competition that sucks people in with online gaming, ”said Heidrich, now a father of two. People do it at the expense of everything that was a constant in their lives." Heidrich now visits websites that discuss gaming addiction regularly “to remind myself to keep my love for online games in check”.
Toebe also regularly visits a site where posters discuss Internet overuse. In August, when she first realized she had a problem, she posted a message on a Yahoo Internet addiction group with the subject line:“I have an Internet Addiction.”
“I'm self-employed and need the Internet for my work, but I'm failing to accomplish my work, to take care of my home, to give attention to my children,”she wrote in a message sent to the group. “I have no money or insurance to get professional help; I can't even pay my loan and face losing everything.”
Since then, Toebe said, she has kept her promise to herself to cut back on her Internet use. "I have a boyfriend now, and I'm not interested in online dating," she said by phone last week. "It's a lot better now."
【小题1】 What eventually made Carla Toebe realize she was spending too much time on the Internet?
| A.Her daughter's repeated complaints. |
| B.Tiredness resulting from lack of sleep. |
| C.The poorly managed state of her house. |
| D.The high financial costs adding up. |
| A.A study claimed to be the first large-scale look at Internet overuse. |
| B.The American Psychiatric Association plans to list Internet addiction in its edition. |
| C.There are heated discussions about negative experiences over internet overuse. |
| D.There is a growing concern towards internet addiction. |
| A.it seriously affected family relationships |
| B.one visited porn websites frequently |
| C.too much time was spent in chat rooms |
| D.people got involved in online gambling |
the Internet may feel ______.
| A.discouraged | B.pressured | C.depressed | D.puzzled |
| A.improve his online gaming skills |
| B.control his desire for online gaming |
| C.show how good he is at online gaming |
| D.exchange online gaming experience |
| A.Humorous | B.Ironic | C.Objective | D.Casual |
完形填空
Can you imagine what life would be like if there were not 1 ?You could not call 2 your friends on the phone and talk to them.If fire 3 out in your house you could not 4 the fire department.If somebody were 5 ,you could not call a 6 .
In our daily life we need to communicate with 7 .We do this 8 by speaking to other people and listening to 9 they have to say to us,and when we are 10 to them we can do this very 11 .However,our 12 will not travel very far even when we 13 ,and it is thanks to the 14 of the telephone that we are 15 able to communicate with each other Cleary 16 we were in the 17 boat.
The man who 18 this possible was Alexander Graham.a Scotsman.born in Edin-burgh in 1847. Bell,a teacher of visible speech who later moved to Canada. 19 all his spare time experimenting. 20 enthusiastic(热情的)was he in his research for a means for sending speech by electricity that he left little time for his day-to-day work and at one time was almost penniless.
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