题目内容

硅酸盐水泥的标准稠度用水量一般在21%~28%之间。

A. 对
B. 错

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普通硅酸盐水泥强度等级分为42.5、42.5R、52.5、52.5R四个强度等级。

A. 对
B. 错

请将下列英文与其对应的中文意思相匹配。

Positive Energy, the chemical term,was first transplanted into the social science field by British writer Richard Wiseman in a book in2012.

A. 对
B. 错

Anything orderly and transparent, or anything that follows justice and rule of law can be described as positive energy.

A. 对
B. 错

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