2. What is the ice cover in the Arctic by the end of 2007 summer?
A) 4.2 million square kilometers. B) 11.4 million square kilometers. C) 1.13 million square kilometers. D) 38 million square kilometers.
3. What are the reasons for the ice melt according to the scientists?
A) Strong winds and clear skies. B) Long summer and short winter.
C) Open water and thin ice. D) Light clouds and light winds.
4. Why is the ice melting from both above and below?
A) Because extra heat warms the air.
B) Because extra heat warms the water.
C) Because the temperature above the water is higher. D) Both A and B.
5. What can be a possible title for the passage?
A) What are scientists looking for in the Arctic Ocean? B) What are scientists doing in the Arctic Ocean?
C) Why are scientists worrying about the Arctic Ocean? D) Why are scientists interested in the Arctic Ocean?
答案与题解:
1.D build 是个多义词,四个选项都是该词的潜在词义。但在第二段的第一句中,build 与后半句中 shrink一词相对,意思是 become bigger 之义。Extend 是增 长的意思,不适合用在此处。
2.A 答案可在第四段的第二句中找到。该句的意思是:2007 年夏末,冰的覆盖面积已经 缩小至 420 万平方公里。
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