2. 外语
  3. Within the foreseeable future there may be a major______of species, involving from one-third to two-thirds of all the species no

Within the foreseeable future there may be a major______of species, involving from one-third to two-thirds of all the species no

admin2015-12-09  31
问题 Within the foreseeable future there may be a major______of species, involving from one-third to two-thirds of all the species now in existence.
选项 A、exhaustion
B、exhibition
C、extension
D、extinction
答案D
解析 这是一道词汇题，考点是形相近的名词意思的辨析。
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成人本科学位英语

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