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。
3.A 短文的第五和第六段回答了这个问题。第五段告诉我们,由于强风的原因,大面积海 面仅有薄冰覆盖或没有冰层覆盖。第六段告诉我们,晴朗的天空使太阳直接照射海面,导致 高温。所以 A 是正确选择。B 的内容没有在文中提到。C 的表述内容是间接原因,是刮强风 的结果。D 选项中,light clouds 的确是 ice melt 的原因,但 fight winds 是错误的理解。
4.D 答案可在倒数第三段第一句话中找到。from both above and below 的意思是:无论 从海水上面还是底下,也就是说,无论是海水还是海面上的空气。所以 A 和 B 都回答了问题 : 高温不但可能使水温增高,也使气温增高。
5.C 本文描述了科学家对北冰洋冰覆盖量的研究,研究结果是 Arctic is stuck in a warming trend from which it may never recover.。第四段最后一句说:This continuing trend has scientists concerned,短文最后一句也 告诉我们,科学家对这种趋势十分忧虑。所以,C 是本题的答案
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