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【单选题】
如果VPN网络需要运行动态协议并提供私网数据加密,通常采用什么手段实现()。A.
GRE
B.
GRE+IPSEC
C.
L2TP
D.
L2TP+IPSEC
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举一反三
【单选题】Why did Gail's mother disapprove their marriage?
A.
Because Mark's color is black.
B.
Because she was afraid of friends' talk.
C.
Because she didn't like Mark.
D.
Because she worried that Gail would marry Mark for the wrong reasons that she married her husband.
【单选题】听力原文：Why weren't you at the annual conference? (A) It's about the financial aid. (B) I thought it was next week. (C) Yeah, it was very informative. (40)
A.
B.
C.
【简答题】液力自动变速器中使用的离合器多数为多片湿式,主要由___、___、___和___等几部分组成。
【单选题】Why did Gail's mother disapprove of their marriage?
A.
Mark is black.
B.
Gail may be marrying Mark for the same wrong reasons that she married her father.
【简答题】土粒比重为2.68,孔隙比为1.0的土为疏松状态,发生流土的临界水力梯度是()
【简答题】对学术不端行为的认识误区。
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