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The world is changing _____.

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If society is to exist as a unity, its members must have ____ values.

In many aspects, I regarded her as my ____ indeed.

岩芯采取率是指钻孔中直接获得的岩芯长度与钻探总进尺的比值,用百分数表示。( )

A. 对
B. 错

岩体基本质量由岩石坚硬程度和岩体完整程度两个因素确定。( )

A. 对
B. 错