When _____, the man said he went home at
题型：选择题
问题：
When _____, the man said he went home at 2:00 a.m., _____ and only _____ his house broken into.
A．asked; tired; to find
B．asking; tired; finding
C．asked; tiredly; to find
D．asking; tired; finding
题型：选择题
m/s的速度垂直磁场射入到大小为B=0.1T的匀强磁场中，它受到的洛伦磁力大小为_______ N,受到的洛伦磁力方向_______ （向上或向下）。（电子的电量为
）