题目内容

碱性焊条不烘干也可使用。（）

A. 正确
B. 错误

查看答案

搜索结果不匹配？点我反馈

更多问题

已知某工作的持续时间为4天，最早开始时间为7天，总时差2天，则该工作的最迟完成的时间为（）。

A. 4
B. 9
C. 11
D. 13

查看答案

On an Aironet card， LED 0 and LED 1 are blinking alternately. What does this indicate？（）

A. The Aironet card is in power save mode.
B. The Aironet card is looking for a network association.
C. The Aironet card is joined to a network， but there is no network activity.
D. The Aironet card is joined to a network， and there is network activity.

查看答案