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【单选题】
如果一台路由器发生了拥塞,那么它应该向数据报的源主机发送的ICMP报A.
源站抑制报文
B.
超时抑制报文
C.
路由控制报文
D.
重定向报文
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反馈参考答案：
举一反三
【简答题】“三网融合”中的“三网”是指互联网、________、广播电视网。
【简答题】The Home Rule Bill was finally passed in __________, but the process was overtaken by the ___________ __________ __________.
【单选题】听力原文：M: How do Jane and Bill like their new home? W: It's really comfortable, but they're tired of having to hear the jets go over their house at all hours. Q: What is located close to Jane and Bill's...
A.
An airport.
B.
A bus station.
C.
A super highway.
D.
A train station.
【单选题】图示结构中,AB为刚性梁,1、2两杆的材料相同,长度如图所示,横截面面积分别为A 1 和A 2 。若在载荷P作用下,使AB横梁平行下移,则两杆横截面面积为( )。
A.
2A 1 = A 2
B.
A 1 =2A 2
C.
A 1 = 4A 2
D.
3A 1 = A 2
【单选题】听力原文：W: In Judy's case, why is she discharged? M: Because as a general rule, a bill of exchange must be duly presented for payment. Judy must have failed to observe the very strict rules about it. Q: ...
A.
Because she lost her bill.
B.
Because her bill didn't mature.
C.
Because she forgot the rules.
D.
Because her bill was not duly presented.
【单选题】The Home Rule Bill was suspended because of
A.
guerrila and terrorists activities
B.
the Second World War
C.
political campaigns
D.
the First World War
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