ZXSM-150/600/2500系统中,EP1使用的微同轴E1连接线阻抗为()Ω。
A.75
B.120
C.50
D.102
参考答案:A
------She didn’t come to school yesterday, did she? ‘
-----______.Though she was not feeling very well.
A.No, she didn’t
B.Yes, she was
C.No, she wasn’t
D.Yes, she did
批办公文时,主批人签注完毕,其他审批人画圈,应视为( )。
A.同意B.基本同意C.阅过但无态度D.保留意见