2. 外语
  3. It is estimated that about 10 million people go into coastal waters every year to get a closer look at whales. When the eco-

It is estimated that about 10 million people go into coastal waters every year to get a closer look at whales. When the eco-

admin2023-03-20  32
问题     It is estimated that about 10 million people go into coastal waters every year to get a closer look at whales.
    When the eco-tourists (生态旅游者) try to have a look at the【C1】________mammals rising above the water line, killer whales’ lives are greatly【C2】________, though they are the top of the food chain in the sea.
    "We now have more whale-watch boats than there are whales," said Kelley Balcomb-Bartok of an【C3】________in Washington State that works with scientists to protect whales.
    All this activity is causing people to show more【C4】________about the whales’ health and survival. Some scientists say noise from all the boat traffic may【C5】________a whale’s sonar (声纳，声波) ability as much as 95 percent The whales need sonar to find food.
    Three new studies【C6】________this month suggest the interference caused by the tourists is damaging the whales, whose population in the Puget Sound region has fallen from 98 to 80 in less than a【C7】________. Scientists say all the traffic also forces the whales to move around more, wasting energy needed for【C8】________food.
    "I would say that at times when there are a lot of boats and there is a lot of noise, they are【C9】________," said Tom McMillen, captain of the whale-watching boat Stellar Sea, which takes out three groups a day.
    Scientists say there are less food in the sea for the whales to eat, besides, the pollution in the sea is more serious; 【C10】________, the noise from the boats makes the life of the whales even worse.
    A)  threatened    E) concerns     I) huge       M) released
    B)  decade        F) cautious     J) decrease   N) thus
    C)  delicate      G) irritated    K) monument   O) organization
    D)  initially     H) hunting      L) cease
【C10】
选项
答案N
解析 此处应为副词，连接前后两个分句。从两个分句的内容及句末的even worse可以看出，后面的分句是对全文主旨的总结，词库中只有thus可以起到总结或表示结果的作用，因此为本题答案。
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大学英语四级

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