周围性面神经麻痹多见于
A．20～40岁男性
B．20～40岁女性
C．50～60岁男性
D．50～60岁女性
E．70岁以上老年人
参考答案：A
将一个物体以10m/s的速度从5m的高度水平抛出，落地时它的速度方向与地面的夹角是多少（不计空气阻力，取g=10m/s）？
According to the Global Investment Performance Standards (), which of the following statements is most accurat.e about composites used for performance presentation of a investment management firm（）
A. Composites must include one or more portfolios managed to a similar investment strategy, objective or mandate.
B. Composites must include all discretionary and non-discretionary portfolios managed to a similar investment strategy, objective or mandate.
C. Composites must include all fee-paying and non-fee paying portfolios managed to a similar investment strategy, objective or mandate.
), which of the following statements is most accurat.e about composites used for performance presentation of a investment management firm（）