2. 外语
  3. A、that cover areas which are too small B、that cost too much on management C、whose vegetation is not well maintained D、whose prot

A、that cover areas which are too small B、that cost too much on management C、whose vegetation is not well maintained D、whose prot

admin2021-09-17  7
问题
选项 A、that cover areas which are too small
B、that cost too much on management
C、whose vegetation is not well maintained
D、whose protected vegetation is not diverse
答案D
解析 解题关键在于读懂第1段最后一句。Fuller认为，只要更换掉1％的低效国家公园就能够增加受保护植被的种类数量(the number of vegetation types being protected)。由此可推断，那些低效的国家公园里的植被类型并不多。因此，本题应选D。
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大学英语六级

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