完形填空:阅读下面短文.从每小题所给的四个选项中.选出一个最佳答案. For many Americans, Internet access is not ju

完形填空：阅读下面短文，从每小题所给的四个选项中，选出一个最佳答案。

For many Americans, Internet access is not just a workplace distraction but a key part of their jobs． About 37 percent of all full-time 1 in America now 2 Internet access at their jobs． They're using 3 primarily for work related research and e-mail, 4 a recent report by the Pew Internet and American Life Project, 5 ten years ago the Internet was 6 in the work-place, while now it has mushroomed to be a significant 7 ．

A poll (民意测验) of workers 8 that about．two thirds of those with access to Web on the job 9 at least once a day． Nearly three-quarters of workers with access said the Internet has- 10 their ability to do jobs．

What's more, most workers 11 specific tasks when they're on Web． More than half of those surveyed said they 12 an hour or less online in a given day． About half of the workers surf for 13 on any given day, usually playing games, checking sports scores or 14 products．

A third of these 15 workers are older than 45, a group that accounts for just 14 percent of the Internet's total 16 ． And 31 percent of workers with 17 have college degrees, and they tend to have 18 overall experience on the Web than the 19 population． About four 20 ten such workers say they have been online for three or more years．

1．

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A．workersB．teachersC．peasantsD．bosses

2．

[]

A．takeB．haveC．giveD．put

3．

[]

A．thatB．oneC．themD．it

4．

[]

A．because ofB．owing toC．according toD．resulting in

5．

[]

A．andB．orC．butD．so

6．

[]

A．nowhereB．somewhereC．anywhereD．everywhere

7．

[]

A．energyB．powerC．strengthD．force

8．

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A．writesB．showsC．speaksD．asks

9．

[]

A．go to workB．go onlineC．go to studyD．go away

10．

[]

A．improvedB．weakenedC．controlledD．created

11．

[]

A．give upB．keep upC．lead toD．stick to

12．

[]

A．wasteB．costC．spendD．pay

13．

[]

A．funB．workC．surveyD．free

14．

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A．visitingB．makingC．examiningD．buying

15．

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A．youngB．newC．part-timeD．full-time

16．

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A．productionB．populationC．inventionD．distraction

17．

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A．accessB．knowledgeC．abilityD．experience

18．

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A．muchB．manyC．moreD．most

19．

[]

A．oldB．specificC．generalD．usual

20．

[]

A．inB．ofC．aboutD．within

试题答案

答案：A;B;D;C;C;A;D;B;B;A;D;C;A;D;D;B;A;C;C;A