【单选题】平面任意力系向某一定点 O 简化,若主矢 ,主矩 ,则此力系简化的最后结果, 。
【简答题】一国利率水平相对于其他国家提高,会导致该国货币远期贬值。( )
【判断题】握手时不能戴手套,但女士戴薄手套是许可的。
【多选题】一国利率水平相对于其他国家提高,会导致该国货币:
【简答题】溶剂提取法中的冷提方法包括_____、_____。
【单选题】The minister kept the American waiting because ______.
A.
the minister didn't think it was wrong to keep people waiting
B.
the appointed time did not suit the minister
C.
the minister intended to Insult the American
D.
the minister forgot the appointment time
【单选题】选择当前操作的数据库EDUC,正确的是()
【单选题】闸墩混凝土的浇筑,当落差大于( )时,为防止流态混凝土下落产生离析,应在仓内设置溜管,可每隔2-3m设置一组。