2.【解析】选B。细节理解题。从第一段的If a noisy neighbor is blasting music at all hours of the day and night, drowning out your phone conversations and interrupting your sleep, you can call the police. 看出A项是正确的; 从第三段的Low frequency noise has doubled off the California coast every decade since the nineteen sixties. 看出B项不正确, 是加利福尼亚而不是加拿大; 从第四段的They are threatened by noise pollution because it can prevent them from contacting each other and from locating their foods. 看出C项是正确的; 从第四段的Endangered humpback and right whales, which use fibrous baleen to strain food from the water, are the most at risk. 看出D项是正确的。

　　3.【解析】选A。推理判断题。根据文章最后一句They hope to get shipping lanes moved so that the noise pollution ships create will not overlap with areas most important to the whales. 可以看出, 鲸鱼的领地被轮船的航线占领了。

　　4. 【解析】选C。细节理解题。根据文章第五段的Other scientists measuring whale calls against background noise pollution have discovered that right whales have

　　lost about eighty percent of their normal communication areas. 可知露脊鲸在它们正常的交际中失去了大约80%的交流区域, 能利用的有20%。

　　5. 【解析】选D。推理判断题。从文章第四段的Whales use low frequency calls to communicate across thousands of miles of ocean. 看出, 鲸鱼是通过low frequency calls进行交流的。

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