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【判断题】
光纤通信技术在DCS中的应用越来越广泛。由于光纤具有体积小、信息容量小、信号衰减小、频带宽、抗干扰能力强、传输速度快、可靠性高等一系列优点，DCS高速通道所采用的双绞线和同轴电缆将逐渐被光纤电缆所代替，使得系统通信效能进一步提高。A.
正确
B.
错误
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【单选题】_______ which university to attend, the girl asked her teacher for advice.A.Not knowing###
A.
_______ which university to attend, the girl asked her teacher for advice. A.Not knowing
B.
Knowing not
C.
Not known
D.
Known not
【单选题】_______ which university to attend, the girl asked her teacher for advice.
A.
Not knowing
B.
Knowing not
C.
Not known
D.
Known not
【单选题】The little girl _____________ the policeman ____________ a help. [ ]
A.
asks, to
B.
ask, for
C.
asked, for
【单选题】When they went into the shop and asked to look at the engagement rings, the girl brought out a cheaper one, _______ she had arranged with James.
A.
the which was what
B.
what was that
C.
which was what
D.
that was that
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