攀登工具应在出库前检查状态良好，安全用具完好合格。
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劳动者享受年休假、探亲假、婚假、丧假等工资如何支付？
已知直齿圆柱齿轮的齿顶高ha=4mm，则其全齿高h等于（）mm。
A. 6
B. 8
C. 10
D. 12
Which three statements correctly describe the functions and use of constraints? （）
A. Constraints provide data independence.
B. Constraints make complex queries easy.
Constraints enforce rules at the view level.
D. Constraints enforce rules at the table level.
E. Constraints prevent the deletion of a table if there are dependencies.
F. Constraints prevent the deletion of an index if there are dependencies.
普米克都宝的成分为()可作为COPD患者长期吸入的药物为()可快速扩张支气管的药物是()
A. 沙丁胺醇
B. 沐舒坦
C. 异丙托溴胺
D. 布地奈德
E. 二丙酸倍氯米松
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