【简答题】When we want to buy something from other countries,We should make( )first.
【判断题】如果在图像中创建了选区,则"色彩范围"命令只分析选区内的图像。
【单选题】国际道路运输中,集装箱运费计收的方式有( )
【简答题】假设随机变量X服从参数为2的指数分布,试证明:Y=1-e -2X 存区间(0,1)上服从均匀分布。
【判断题】集装箱的最高运费标准是按运费吨计收。( )
【单选题】In formal discussion, we sometimes make a concession when ______.
A.
we try to make a conclusion
B.
we try to give reasons
C.
we try to reply somebody who disagrees with us
D.
we try to show our agreement with somebody
【判断题】集装箱拼箱货运费计收以每运费吨为标准,还要区分货物种类。