更多"[单选题]—-Who's that speaking? / Who' "的相关试题:
[判断题] T,S接线器的组合形式有很多,常采用的为T-S-T交换网络和S-T-S交换网络。( )
A.正确
B.错误
[单选题]-Who 's ?
This is Tom.
A. speaks
B. spoken
C. speaking
D. saying
[简答题]Who's going to answer the telephone?
[简答题]Who's going to answer the door?
[单选题]- It’s a good idea. But who’s going to _______ the plan?
- I think John and Peter will.
A. carry out
B. get through
C. take in
D. set aside
[简答题]Many students who have problems won't go for advice or help.
[简答题] I don't know who broke the window.
[单选题]-That' s a beautiful cat. I wonder who it belongs to. ______
A. It belongs to the Browns
B. That cat is my father.
C. Mind your business
D. I can't say anything more
[单选题] T,S接线器的组合形式有很多,常采用的为T-S-T交换网络和( )交换网络。
A.T-S-S
B.S-S-T
C.S-T-S
D.T-T-S
[单选题] T,S接线器的组合形式有很多,常采用的为( )交换网络和S-T-S交换网络。
A.T-S-T
B.S-S-T
C.S-T-T
D.T-T-S
[判断题]常见的用户交换机的交换网络为T-S-T结构。
A.正确
B.错误
[简答题]Let's sit over here until it's time for you to board.
[单选题]数学表达式S(t)=[A0+f(t)]cos(ωct+θc)其中f(t)为调制信号，它属于()调制。
A.相位
B.幅度
C.频率、
D.角度
[单选题]I am not used to speaking _______ public.
A. in
B. at
C. on
D. to
[单选题]已知S02水溶液在三种温度t1、 T2、t3下的亨利系数分别为E1=0. 0035atm、E2=0.0llatm、E3=0.00625atm,则( )。
A.t1
B.t3>t2
C.t1>t2
D.t3
