In many countries, some scientists are already research in order to produce a cloned human baby.A．putting up withB．coming up withC．putting forwardD．pushing ahead with 题目和参考答案——青夏教育精英家教网—

题目内容

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

试题分析：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。

练习册系列答案

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A．to help；being	B．to helping；to be
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