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【单选题】
以下关于流媒体技术的说法中，错误的是 。A.
流媒体可用于在线直播等方面
B.
媒体文件全部下载完成才可以播放
C.
实现流媒体需要合适的缓存
D.
流媒体格式包括asf、rm、ra等
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反馈参考答案：
举一反三
【单选题】Please choose the best answer to the sentence given. 1. What brings you here?
A.
Nice to meet you.
B.
How do you do?
C.
I'm here on business.
D.
I'm fine.
【简答题】阅读理解。 Please look at the Flight Timetable and choose the right answers. (departure=leaving) 1. You'll go to Australia. You can only take _____ when you reach Beijing Airport at eleven forty. A .CA923 ...
【简答题】Please choose the right description about the Language of Four.
【判断题】A zener diode is a specially doped diode that operates the same as a regular diode in the forward-biased condition (it allows large current to flow).
A.
正确
B.
错误
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