Part A
Directions: You will hear 10 short dialogues. For each dialogue, there is one question and four possible answers. Choose the correct answer ― A, B, C or D, and mark it in your test booklet. You will have 15 seconds to answer the question and you will hear each dialogue ONLY ONCE.
听力原文:W: Excuse me, sir. Visiting hours are over now. You must leave, so your wife can get some rest.
M: Pardon me, nurse. I didn' t hear the bell or I would have left earlier.
Where did this conversation take place?
A.The man was visiting his wife in the hospital.
B.The couple were watching a movie.
C.They were riding in a car.
D.The woman and man were in a store.
第2题
不适用于局域网的拓扑结构是______。
A.星形拓扑
B.网状形拓扑
C.总线形拓扑
D.环形拓扑
第4题
计算机交换分机CBX是________局域网的典型实例。
A.环形拓扑
B.星形拓扑
C.总线形拓扑
D.树形拓扑
第8题
在拓扑结构上,快速以太网采用()。
A.总线形拓扑结构
B.环形拓扑结构
C.星形拓扑结构
D.树形拓扑结构
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