2. 外语
  3. A. little B. unanswered C. detect D. inevitably E. deep F. drop G. useless H.

A. little B. unanswered C. detect D. inevitably E. deep F. drop G. useless H.

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问题     A. little        B. unanswered        C. detect        D. inevitably        E. deep
    F. drop          G. useless           H. eventually    I. effective         J. address
    K. catch         L. adds              M. improve       N. sufficient        O. limited
    In September, more than a dozen whales beached themselves in the Canary Islands. Rescuers tried to water down the whales and keep them cool. But all of them【C1】________ died.
    Nearby, NATO naval forces were testing echo sounding devices meant to【C2】________ an enemy’s submarines, and public knowledge of the deaths ultimately came to strengthen suspicions of a link between whale distress and loud ocean noises.
    The theory is that the mammals seek to escape the roar of the【C3】________. rush toward the surface and in some cases end up going ashore.
    For decades, environmentalists have worked to reduce the undersea noise—usually with【C4】________ success, given the growing industrialization and militarization of the oceans. They have filed suits and waged letter-writing campaigns, including a recent petition that asks the United States Navy to【C5】________ its testing of underwater sound equipment.
    The discovery by biologists in Hawaii that whales can decrease the sensitivity of their hearing to protect their ears from loud noise【C6】________ another dimension to the debate. Michael Jasny, a senior policy analyst, called the research fascinating and said he hoped it would prove【C7】________ in protecting whale hearing from these threats.
    But he characterized the finding as a work in progress that posed many【C8】________ questions.
    "A lot more work needs to be done," he said. "Could it be replicated in the wild? It’s a huge question." Even if whales could learn to decrease the sensitivity of their hearing, Mr. Jasny said, that would【C9】________ only a relatively small part of the oceanic noise problem. "It’s important to understand that it’s【C10】________." he said of the proposed method. "It won’t be a silver bullet."
【C10】
选项
答案O
解析 此处填入形容词作表语。下文的silver bullet字面意思是“银色子弹”，在文中指“良方”。空格处应与silver bullet语义相反，故填入limited“有限的”。useless“无用的”过于绝对，可排除。
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