如果命令指定的文件名不存在，则将新建此文件。A.touch

The visitors are requested ________ the exhibits in the Art Gallery. A: not to touch B: to not touch C: don’t touch D: will not to touch

He _________ us while he was on vacation. A: keep touch with B: keeps in touch with C: kept in touch with D: kept touch with

They promised ______ each other when they went to work. A: get in touch with B: getting in touch with C: to get in touch with D: to get touch with

_____ my computer whileI’m away. A: Not touch B: Don’t touch C: Not to touch

Now that my mother has a telephone, it`s much easier to___ her. A: get in touch with B: gets in touch C: get in touch D: get touch with

【单选题】3) Since we graduated from college, we have been ________ for years. A. in touch with B. out of touch C. keeping touch with D. losing touch with

Despite the terrible weather, the pilot of the helicopter managed to________safely on thedeck of the aircraft carrier. A: touch up B: touch down C: touch on

不要碰触那些液体。 A: Do not let the fluid touch you. B: Do not allow the fluid to touch you. C: Do not enable the fluid to touch you. D: Do not permit the fluid to touch you.

A．touch/var/state/dhcp/dhcpd.leases B．address/var/state/dhcp/dhcpd.leases C．nat/var/state/dhcp/dhcpd.leases D．resolve/var/state/dhcp/dhcpd.leases