问题描述：
新概念3第九课课后理解第三题cats can survive greatly falls mainly because__
A.the further they fall,the less likely they are to injure themselves.
C.a falling cat relaxes its legs and so increases its air-resistence
答案给的A,为什么C不对呢?
A.the further they fall,the less likely they are to injure themselves.
C.a falling cat relaxes its legs and so increases its air-resistence
答案给的A,为什么C不对呢?
问题解答：
我来补答展开全文阅读