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混凝土预制构件结构性能检测包括()检验

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人工砂 名词解释

石子按照同类、规格、适用等级的划分

The organizers thinks that the effect on Net use of the good worlds fair is ______.

A. hardly positive.
B. dubiously-oriented.
C. quite instantaneous.
D. far-reaching.

Temperamental, irritable kids have difficulty adapting to parental divorce because

A. they care too much about the life change.
B. the great stress of their families diminishes their ability.
C. they tend to lose temper easily and are sensitive to the life change.
D. they are faced with more parents" fights than the relaxed, easygoing children.

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