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【多选题】
osi/rm数据链路层的主要功能有()A.
建立逻辑连接
B.
硬件寻址
C.
建立物理连接
D.
差错校验
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举一反三
【单选题】听力原文：M: Well, that was delicious! Thanks very much indeed... I didn't know, you were such a good cook, Brenda. W: Thank you, Richard. M: If you like, I could do the washing-up. W: No, don't bother. I ...
A.
He offered to get the ashtray.
B.
He offered to make coffee.
C.
He offered to do washing-up.
D.
He offered to drive the woman to the phone.
【单选题】听力原文：M: Well, that was delicious! Thanks very much indeed... I didn' t know you were such a good cook, Brenda. W: Thank you, Richard. M: If you like, I could do the washing-up. W: No, don't bother, I ...
A.
He offered to get the ashtray.
B.
He offered to make coffee.'
C.
He offered to drive the woman to the phone.
D.
He offered to do washing up.
【简答题】Thanks very much for your story. The plot is very touched. Now listen to me carefully. It’s very funny. One day, a young man was going from house to house on the street so he wanted to introduce him t...
【单选题】《中华人民共和国治安管理处罚法》规定，治安管理处罚的种类分为：（1）警告；（2）罚款；（3）行政拘留；（4）吊销公安机关发放的许可证。对于行政拘留我国规定最长不得超过（ ）。
A.
24小时
B.
三天
C.
15天
D.
20天
【单选题】根据《中华人民共和国治安管理处罚法》规定，治安管理处罚的种类分为：（1）警告；（2）罚款；（3）行政拘留；（4）吊销公安机关发放的许可证。对于行政拘留处罚合并执行的，最长不得超过（ ）。
A.
24小时
B.
3日
C.
15日
D.
20日
【简答题】治安管理处罚的种类分为( )1警告 2罚款 3行政拘留 4吊销公安机关发放的许可证A. ①②③ B. ②③④ C. ①②④ D. ①②③④
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