The USA, New York-Whales and dolphins are facing increasing threats from climate change, according to a new report published by WWF and the Whale and Dolphin Conservation Society ． The report "W 题目和参考答案——青夏教育精英家教网—

题目内容

The USA, New York—Whales and dolphins are facing increasing threats from climate change, according to a new report published by WWF and the Whale and Dolphin Conservation Society （WDCS）．

The report "Whales in hot water?" draws attention to the growing impacts of climate change on whales．They range from changes in sea temperature and the freshening of the seawater because of the melting of ice and increased rainfalls, to a sea level rise, loss of icy polar habitats and the decline of krill populations in key areas．Krill, a tiny shrimp that is dependent on sea ice, is the main source of food for many of the great whales．

The speeding up of climate change adds greatly to trouble from other human activities, such as chemical and noise pollution, which kills some 1000 whales every day．

"Whales and dolphins have an ability to adapt to their changing environment," said Mark Simmonds, International Director of Science at WDCS．"But the climate is now changing at such a fast pace that it is unclear to what extent whales and dolphins will be able to adjust．"

Climate change impacts are currently greatest in the Arctic and the Antarctic．According to the report, cetaceans that rely on polar, icy waters for their home and food resources are likely to be greatly affected by the reduction of sea ice cover．

WDCS and WWF are urging governments to cut global production of C02 by at least 50 percent by the middle of this century．The latest report of the Intergovernmental Panel on Climate Change showed it was possible to stop global warming if the world's emissions start to decline before 2015．

1.Which of the following is the most important for whales and dolphins?

A．Rainfall

B．Krill

C．Sea ice cover

D．High sea level

2.From the passage, we can learn that whales mainly feed on _____．

A．dolphins

B．krill

C．sea horses

D．sharks

3.The underlined word "decline" in Paragraph 2 means _____．

A．increase

B．control

C．protection

D．fall

4.In what place is climate change greatest?

A．The Pacific Ocean	B．Asia．
C．Two polar areas．	D．Equator．

5.Which of the following is not right according to the passage?

A．Climate change will lead to the changes in sea temperature．

B．Climate change will result in the freshening of the sea water．

C．Climate change will have a bad effect on human activities and whales．

D．Human beings will forever have no ability to stop global warming．

【答案】

1.C

2.B

3.D

4.C

5.D

【解析】略

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读下面短文，从短文后面各题的A、B、C、D四个选项中，选出适合填入对应空白处的最佳选项，并在答题卡上将该项涂黑。

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读下面短文，从短文后面各题的A、B、C、D四个选项中，选出适合填入对应空白处的最佳选项，并在答题卡上将该项涂黑。
Every summer a great many students travel to other countries looking for work and adventure. Most of the    26        are in seasonal work, mainly connected with wourism and    27
The pay is usually poor, but most people work abroad for the     28    of travel. You can pick grapes on farms in France, entertain kids on American summer camps, and, of course, there are 29    jobs in hotels and restaurants.
But it is not easy now to find work. “    30   you speak the language of the country well, there will be very few openings,” says Althea Ellis, an adviser in     31       for students.
“If you work with a family in Italy, you’ll have to speak Italian. When you wash dishes in a restaurant in Pairs, the owner will expect you to speak   32    . British students only have a language     33     for jobs in the USA and Australia.”
    34     enjoys the experience. Sarah James was employed to help forty American children in Europe. The two teachers with the children had never been     35     .One child lost his passport; another became seriously ill and was      36      home; the whole group was thrown out of one hotel because of the      37      they made, and what’s worse, Sarah herself was robbed on her only    38    evening of the entire trip. “ I did visit a lot of new places,” she says,“ but it wasn’t worth it. The pay was     39     and it really was a 24-hour-a-day job. The kids never slept!”
“The troubles is, students expect to have a(n)     40    time of it.” Althea Ellis points out. “After all, they see it as a    41     .In practice,     42      ,you have to work hard. At the same time, all vacation work is casual (临时的) work. You’ll have a job when the hotel, the restaurant, or the campsite is busy. In the other words, you’ll work if it’s convenient for the company that     43    you. But you have      44    employment rights. As soon as the holiday season      45     ,they’ll get rid of you.”