【单选题】海盗离开船舶后,船舶在未离开海盗活动高危水域前,要按照( ),务必保持高度警惕,严加戒备防范,防止再次被劫持。
【判断题】The franchisee's lawyer offers to strike the arbitration clause in exchange for a reduction in the number of years set forth in the non-competition clause.
【多选题】如图所示,两列简谐横波分别沿 x 轴正方向和负方向传播,两波源 S 1 和 S 2 分别位于 x 轴上- 0.2m 和 1.2m 处,两列波的波速均为 v = 0.4m/s 、振幅均为 A = 2cm 。图示为 t = 0 时刻两列波的图像,此刻平衡位置处于 x 轴上 0.2m 和 0.8m 的 P 、 Q 两质点刚开始振动,质点 M 的平衡位置处于 x = 0.5m 。则下列判断正确的是( )
B.
t = 0.75s 时刻,质点 P 、 Q 都运动到 M 点
C.
t = 1s 时刻,质点 M 的位移为- 4cm
D.
在两列波叠加的过程中,质点 M 是振动的加强点,位移始终是- 4cm
【简答题】资本深化(Capital Deepening)
【简答题】Average Rainfall Write a program that uses nested loops to collect data and calculate the average rainfall over a period of years. The program should first ask for the number of years. The outer loop ...
【单选题】If the standard deviation of annual returns is 19.8 percent and the number of years of observation is 107, what is the standard error?
【简答题】Is there a limit to the number of years that a person can expect to live? Can changes in life-style add years to one’s life? Throughout history people have sought answers to these questions and others...