一Do you mind if I_______the TV a bit?—Yes, I do, because I?m busy with my homework now.
A. turn on
B. turn up
C. turn down
D. turn off
涉密计算机和存储介质不得接入(),原则上不得送外检修。
A. 互联网
B. 局域网
C. 公安网
D. 其他网
_____to use crutches for six months severely limited Mr、Lockers ability to work in the shipping facility.
A. Has
B. Have
C. Having
D. Has had
确实存在犯罪行为而无故意伪造的现场是()现场。
A. 真实
B. 伪装
C. 遗
D. 掩盖