A-A+
Spiders hold their planetary seat with assura
问题详情
Spiders "hold their planetary seat with assurance" because they are ______.
A．more numerous than any other species
B．able to adapt to hostile environments
C．masters of the earth"s surface
D．all of the above
参考答案
正确答案：B
解析：第二段中作者一直在解释“他们是如何在几千尺高的悬崖上生存，怎样对付寒冷和温差”等等。意在说明它们能够“hold their planetary seat with assurance”是因为“他们能够适应各种艰苦的环境。”
