Basic chemical knowledge is a necessary _______ for research in any natural science.
Basic chemical knowledge is a necessary _______ for research in any natural science.
A、flat
B、foundation
C、base
D、platform
【正确答案】:B
【题目解析】:flat 公寓;foundation 地基,基础;base 根基;platform 平台句意:基础化学知识是任何自然科学研究的必要基础。因此答案选B
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