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问题 单项选择题

对于钢筋混凝土用砂，其氯离子含量不得大于（）。

A.0.02%

B.0.06%

C.0.08%

D.0.07%

答案

参考答案：B

判断题

热工信号是用来提醒运行人员的。
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单项选择题

The nurse is caring for a 40-year-old client. Which behavior by the client indicates adult cognitive development

A. Has perceptions based on reality.
B. Assumes responsibility for actions.
C. Generates new levels of awareness.
D. Has maximum ability to solve problems and learn new skills.
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