If a substance has a higher density, 2, 000kg/ m??, it will not float on water. A. say B. tell C. speak D. call 题目和参考答案——青夏教育精英家教网—

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If a substance has a higher density, ____ 2, 000kg/ m??, it will not float on water.

A. say B. tell C. speak D. call

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