At the same time, scientists should make their data available in public databases as soon as possible after collection. The far north is changing faster than anywhere else on Earth, with potentially vast impacts on climate as carbon­rich permafrost melts, and dark ground and water exposed by the retreating ice soak up more heat from the Sun. It is crucial that science keeps up.

　　语篇解读：随着北极冰层的日渐消融，北极的战略价值逐渐凸显，北极争端也随之加强。本中介绍北极科学考察方面的问题。

　　1．Which of the following is TRUE for the Arctic region?

　　A．Extreme climate conditions are rare.

　　B．Scientists find no safe path for the north.

　　C．The weather is getting warmer.

　　D．Mineral resources are widely exploited.

　　答案：C　细节理解题。根据第二段中的“Last winter, parts of the Canadian Arctic basked in recordbreaking warmth. In the town of Coral Harbour, at the mouth of Hudson Bay, temperatures rose above freezing for a few days in January for the first time ever.”可知，北极地区正逐渐变暖。

　　2．The increased ship traffic around the Arctic can lead to ______.

　　A．disagreement on the Arctic's development

　　B．territorial conflict

　　C．arguments on exploiting mineral resources

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