【多选题】某项经济业务的发生没有影响所有者权益,则可能导致( )
【单选题】关于plot作图描述正确的是
A.
若 要画的函数表达式中有关自变量的乘( *)、除(/)和次方(^)等操作时,需要的是点乘(.*)、点出(./)和点次方(.^).
D.
使用plot命令前,需要先定义变量,即syms x
【单选题】We consider ______ he should have left without telling anyone beforehand.
【单选题】According to the passage, what should a successful organization have?
A.
Large capital investments.
B.
The capability to change.
D.
A large production capacity.
【简答题】如图,在正方体ABCD-A 1 B 1 C 1 D 1 中,求证:平面A 1 BD ∥平面CB 1 D 1 .
【单选题】如图,在正方体ABCD-A 1 B 1 C 1 D 1 中,下列棱中与面CC 1 D 1 D垂直的棱是 [ ]
【单选题】Ten minutes earlier, ______ we could not have been a aught in the heavy rain.
【单选题】— Do you have _____ at home now, Stella? — No, we still have to get several pounds of fruit and some tea.
【单选题】如图:已知正方体ABCD-A1B1C1D1中,E为棱CC1的中点.如果一只蜜蜂在正方体ABC-A1B1C1D1内部任意飞,则它飞入三棱锥A1-BDE内部的概率为( )