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局域网的有线传输介质主要有()、 同轴电缆 、 光纤 等;无线传输介质主要是激光、()、 红外电波 等
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举一反三
【简答题】Dick was a sailor on a big ship. It went to Japan and Australia, so Dick was often on the ship for several months at a time. When he woke up in the morning and looked out, he only saw the sea, or some...
【判断题】In the video, Tim says that when he went to school to get his teaching certificate. he was the only male in that class. All the other students were female, partly because that was for teachers of elem...
A.
正确
B.
错误
【简答题】读短文,回答问题。 Peter went to the library yesterday. He got up early and went to the library after breakfast. Usually Peter goes to the library by bus and that day he had a new idea.  He went by his new bik...
【判断题】中餐烹饪是社会文明发展的标志之一?
A.
正确
B.
错误
【简答题】阅读理解。 Tom is a little boy, and he is only seven years old. One day he went to the cinema. It was the first time for him to do that. He bought a ticket and then went in. But after two or three minutes ...
【单选题】She went to the hotel to see her friend, only_____ he had gone away. [     ]
A.
to tell
B.
to be told
C.
telling
D.
being told
【简答题】Jon Williams has never had a bank account before, But now he is married and has a new job. He and his wife, Sherry, want to start keeping their money in a bank. When he went to the bakn he was surpris...
【单选题】( )是人类生存繁衍和社会经济发展的基础,是社会文明发达的标志,是实现可持续发展的必要条件
A.
环境保护
B.
生态环境
C.
计划生育
D.
改革开放
【单选题】()是社会文明发展的标志。
A.
经济发展水平
B.
公民素质水平
C.
社会成员的健康程度
D.
公共设施完善程度
【简答题】读短文,回答问题。 Peter went to the library yesterday. He got up early and went to the library after breakfast. Usually Peter goes to the library by bus and that day he had a new idea. He went on his new bike...
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