普通感冒以卫表及鼻咽症状为主,一般
A.流行
B.传变
C.入里
D.不传变
E.传染
参考答案:D
I can't ______ a bike. I want to have a try. [ ]
A. take
B. ride
C. do
D. buy
下面关于OTM站点的光纤连接描述哪些是正确的?()
A.外部线缆ODF-LAC(LACT/LACG)-SOPA-ODU-SOTU-业务侧
B.ODF-SOPA-DCM-LAC(LACT/LACG)–SOBA-调度ODF
C.业务侧-SOTU-OMU-DCM-SOBA-外部线缆ODF
D.调度ODF-SOTUG-OMU-DCM-SOBA-外部线缆ODF