题目内容

A serious study of physics is impossible________some knowledge of mathematics.
(2013·大纲全国，31)
A．againstB．before
C．beyondD．without
D

句意为：不掌握一定的数学知识是没有办法对物理学进行系统地研究的。without没有，缺乏，符合句意。
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