In many countries, some scientists are a

问题选择题

In many countries, some scientists are already _______ research in order to produce a cloned human baby.

A．putting up with

B．coming up with

C．putting forward

D．pushing ahead with

答案

答案：D

题目分析：考查短语辨析。A忍受；B提出，想出；C提出；D推动；句意：在很多国家里，为了生产克隆婴儿，一些科学家已经在推进研究工作了。根据句意说明D正确。

点评：本题的几个短语都是平时常见的，需要加强识记，要在上下文语境中理解其意义。