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【单选题】
下列传输介质中,哪种传输介质的典型传输速率最高A.
双绞线
B.
同轴电缆
C.
光缆
D.
无线介质
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举一反三
【单选题】in writing a lecture speech on AIDS prevention , she has no time to attend to her sick mother .
A.
Occupied
B.
Occupying
C.
To be absorbed
D.
Absorbing
【简答题】A．She hasn't seen her sister for years. B．She has no time to enjoy the scene of the mountain. C．She is eager to go back to Colorado for the scene. D．She is so busy that she has no time to climb the mo...
【单选题】Why hasn't their mother bought the tickets?
A.
She has no time to buy them.
B.
The ticket is expensive.
C.
She has no money.
【单选题】听力题
A.
She has no time to help the man prepare refreshments.
B.
She reminds the man to plan the refreshments reasonably. .
C.
She wants to do the refreshments all by herself,
D.
She wants the man to plan enough refreshments for 3 clubs.
【单选题】What is the womans main problem?
A.
She lives so far away.
B.
She has no time to visit her parents.
C.
Her parents won't be back.
D.
She needs to work but also see her parents.
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