He knew that the area’s rich plant life had been severely______by the huge herds of cows grazing the land.(2013年3月中国科学院考博试题)

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问题 He knew that the area’s rich plant life had been severely______by the huge herds of cows grazing the land.(2013年3月中国科学院考博试题)

选项 A、depleted
B、decomposed
C、corrupted
D、corroded

答案A

解析 A项“depleted”意为“耗尽……的资源,使枯竭”;B项“decomposed”意为“分解,使腐烂、使腐败”;C项“corrupted”意为“腐蚀,使堕落”;D项“corroded”意为“腐蚀,侵蚀”,句意说的是植被资源因放牧被耗尽了,因此选择A项。
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