2. 外语
  3. A. little B. unanswered C. detect D. inevitably E. deep F. drop G. useless H. eventually I. effective J. address K. catc

A. little B. unanswered C. detect D. inevitably E. deep F. drop G. useless H. eventually I. effective J. address K. catc

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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."
【C5】
选项
答案F
解析 空格前的不定式符号to提示此处要填入动词原形。从上文的the mammals seek to escape the roar，可知噪音对鲸鱼有害，而空格后的its testing of underwater sound equipment“水声设备的测试”是制造噪音的，因此推断环保人士会请求海军放弃这一做法，词库中的drop“放弃”符合要求。
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