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At minus 130℃, a living cell can be ______ for a thousand years.

A. spared      B. protected     C. preserved     D. developed

 

C

 

词义辨析题。句意:在零下130℃,一个活细胞可以被保存上千年。spare表示“节省,不舍得,抽出(时间等)”;protect表示“保护”;preserve表示“保存”;develop表示“发展”。

 

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Most workers attend so-called happy hours to bond with colleagues, although 15 percent go to hear the latest office gossip and 13 percent go because they feel necessary, said the survey conducted for CareerBuilder.com, an online job site. As to what happens when the after-work drinks flow, 16 percent reported bad-mouthing a colleague, 10 percent shared a secret about a colleague and 8 percent said they drank too much and acted unprofessionally. Five percent said they had shared a secret about the company, and 4 percent confessed to singing karaoke. While 21 percent of those who attended said happy hours were good for networking, 85 percent said attending had not helped them get closer to someone higher up or get a better position. An equal number of men and women said they attended happy hours with co-workers, with younger workers aged 25 to 34 most likely and workers over 55 least likely to attend. Overall, 21 percent of workers attend happy hours with co-workers and; of those nearly a quarter go at least once a month.

The survey was conducted online by Harris Interactive on behalf of CareerBuilder.com among 6,987 full-time employees between February 11 and March 13. Harris Interactive said the results had a sampling error of plus or minus 1.2 percentage points.

56. Harris Interactive made the survey to find out ________.

A. how U.S. workers spend their after-work time

B. what U.S. workers do at after-work drinks

C. the relationships between U.S. workers

D. who are most likely to attend after-work drinks

57. ________ of workers who attend after-work drinks speak ill of a colleague.

A. 4 percent                        B. 8 percent                        C. 16 percent                    D. 10 percent    

58. According to the passage, most of those surveyed believed attending after-work drinks ________.

A. benefited them a lot                                                  B. could provide information

C. only made them relaxed                                           D. was of no help to them

59. We can learn from the text that _________.

A. workers over 55 don’t like to attend happy hours at all

B. about 75% of workers go more than once a month

C. 10.5% of male workers attend happy hours with co-workers

D. about 700 workers surveyed shared a secret about a co-worker

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A. all the workers oppose after-work drinks

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Britain’s seed bank, the only one in the world aiming to collect all of the planet’s wild plant species, has reached its goal of banking 10 percent by 2010.
The Millennium Seed Bank Project, run by Kew Gardens—one of the oldest botanical gardens—will officially deposit the 24,200th species on Thursday, a pink, wild banana from China.
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C.To protect wild plants from extinction.D.To help scientists study wild plants.
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C.Britain’s seed bank.D.Kew Gardens’ next goal.
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C.Britain’s seed bank.
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A. workers over 55 don’t like to attend happy hours at all
B. about 75% of  workers go more than once a month  
C. 10.5% of male workers attend happy hours with co-workers
D. about 700 workers surveyed shared a secret about a co-worker
60. After the survey, it can be inferred that                    .
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Britain’s seed bank, the only one in the world aiming to collect all of the planet’s wild plant species, has reached its goal of banking 10 percent by 2010.

The Millennium Seed Bank Project, run by Kew Gardens—one of the oldest botanical gardens—will officially deposit the 24,200th species on Thursday, a pink, wild banana from China.

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The wild banana seed is under threat of extinction(灭绝) in southwest China from agricultural development. It is a vital food source for Asian elephants and important for growing bananas for human consumption.

Stored at minus-20 degrees centigrade, so they can last for thousands of years, the seeds await the day that scientists hope never comes—when the species no longer exist in the wild.

It is a race against time, Smith said, because in the last decade alone, 20 plants held in the bank have already been wiped out in the wild. He estimates that between a third and a quarter will become extinct this century.

"It is urgent and it is happening now. An area, the size of England, is cleared of primary vegetation(植被)every year." Smith said.

Because most of the world's food and medicines come from nature, protecting wild plant species is quite important, scientists say. There are already many other seed banks safeguarding food crops, which only account for 0.6 percent of plant diversity.

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1.What’s the final purpose of the Britain’s seed bank?

  A. To collect enough money for the project.  B. To safeguard food crops.

  C. To protect wild plants from extinction.        D. To help scientists study wild plants.

2.The wild banana seed in China is in danger because of _______.

  A. the expanding of farming work           B. the climate change in this area

  C. the large number of Asian elephants       D. human’s large consumption

3. We can learn from the passage that _______.

  A. the seeds in the bank can be used now and then all over the world

  B. India and Brazil haven’t joined in the Seed Bank Project at present

  C. there is only one seed bank in the world at present

  D. the wild plants in places like India and China will never die out

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  A. The extinction of plant species.           B. The Millennium Seed Bank Project. 

C. Britain’s seed bank.                      D. Kew Gardens’ next goal.

5.Which of the following information isn’t mentioned in the passage?

  A. The global partnership of collecting wild plant species.

  B. The temperature condition of the conservative wild plant species.

  C. The government’s financial support for the seed bank project.

D. Scientists’ concern on the extinct wild plant species.

 

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