Disastrous explosions have been caused by accumulations of oil or oil vapour in air lines not drainedAccording to the above sentence, which of the following statements is true?（）
1、Three access ports have been installed
Three access ports have been installed and configured to a small office.What term defines the wireless topology?（）A IBSSB BSSC ESSD SSID
2、Have you been taking much（）?
Have you been taking much（）?AdrugBpillCtabletDmedicine
3、Those good traditions have been passed
Those good traditions have been passed ______ the younger generation.A on toB to onC cross toD to
4、Users have been complaining that thei
Users have been complaining that their Frame Relay connection to the corporate site is very slow. The network administrator suspects that the l...
5、Having been served supper，（）.
Having been served supper，（）.Athey continued bargaining.Bbargaining is continuedCthe bargain was continuedDit is time to continue bargaining
Having been working in logistics for 3 years， he is more than（） he used to be.AproudBbraveCconfident