听句子，缩写原文。（）

A．Many animals and plants would die because they cannot survive the changing environment.

B．Many animals would be slaughtered, since they fail to adapt themselves to the existing outside world.

C．Most peoplewould feel sorry for the destiny of endangered species, if they become extinct on earth.

D．Most species would react fast enough to adapt themselves to the ever-changing conditions of nature.

在组织建设工程流水施工时，加快的成倍节拍流水施工的特点包括( )。

A．同一施工过程中个施工段的流水节拍不尽相等

B．相邻专业工作队之间的流水步距全部相等

C．各施工过程中所有施工段的流水节拍全部相等

D．各专业工作队在施工段上能够连续作业

E．专业工作队数大于施工过程数，从而使流水施工工期缩短