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A、Attracting mates. B、Staking their territories. C、Hearing each other. D、Sleeping. D细节判断题 文章最后谈到嘈杂的社会环境也给动物带来了麻烦,如它们很难通过声音吸引配偶、警
A、Attracting mates. B、Staking their territories. C、Hearing each other. D、Sleeping. D细节判断题 文章最后谈到嘈杂的社会环境也给动物带来了麻烦,如它们很难通过声音吸引配偶、警
admin
2010-05-09
76
问题
The world has become a noisier place, say experts at the Library of Natural Sounds in Ithaca, New York. The library has the world’s largest collection of natural sound recordings---including the sound of birds, frogs, and mammals. The recordings are used for scientific study, field guides, and even some movie background sounds. Finding quiet areas for recording is becoming difficult, says Greg Budney, head of the library. Even in sparsely populated areas, animal sounds can be submerged by moving trucks, highway traffic, or aircraft. Obtaining a clean recording of an animal may take days or even years, and a habitat recording of all the species in an area is virtually impossible. Animals are having trouble heating each other in loud noises as well. A report from the British Ecological Society claims that, because of noise from nearby British roadways, some birds are having trouble attracting mates and staking out their territories.
选项
A、Attracting mates.
B、Staking their territories.
C、Hearing each other.
D、Sleeping.
答案
D
解析
细节判断题 文章最后谈到嘈杂的社会环境也给动物带来了麻烦,如它们很难通过声音吸引配偶、警示威胁者或听不到同伴的声音。
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0
大学英语六级
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