题目内容

现金流量有正有负，正现金流量代表在一定时期内的净收入。

A. 对
B. 错

查看答案

搜索结果不匹配？点我反馈

更多问题

一个功能对它的上位功能来说是手段，对它的下位功能来说又是目的。

A. 对
B. 错

1)______can help build us the bodies.

A. To swimming
B. Swam
C. Swimming
D. To swim

_______the midnight oil makes people lose their spirits at work.

A. Burned
Burning
C. To burn
D. Burns

_____ these problems may be more complicated than we think.

A. Solving
B. Solve
C. Be solved
D. Solved