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【判断题】
西汉流行的“骚体赋”是汉赋和《楚辞》的结合体。()A.
正确
B.
错误
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举一反三
【单选题】--- Where is my passport? I remember _______ it here. --- You shouldn't have left it here. Remember _______ it with you all the time.
A.
to put；to take
B.
putting；taking
C.
putting；to take
【简答题】课后题1-28: 假定要在网络上传送1.5MB的文件。设分组长度为1Kb,往返时间RTT=80ms。传送数据之前还需要建立TCP连接的时间,这时间2×RTT=160ms。试计算在以下几种情况下接受完该文件的最后一个比特所需的时间。 (1)数据发送速率为10Mbit/s,数据分组可以连续发送。 (2)数据发送速率为10Mbit/s,但是发送完一个分组后要等一个RTT时间才能再发送下一个分组。 (3)...
【简答题】A: The cashier gave me too much change. What should I have ________(do)?B: You should have __________ (say) something. You shouldn't have ___________ (take) the money.
【单选题】Where is my passport? I remember _______ it here. You shouldn't have left it here. Remember _______ it with you all the time.
A.
to put;to take
B.
putting;taking
C.
putting;to take
D.
to put;taking
【单选题】听力原文：M: Just look at my car! I only bought it last week. You shouldn't have been going so fast. W: Well, I am sorry, but it was not my fault. There's a 'stop' sign, you must have missed it. You should...
A.
The woman was driving too fast.
B.
The woman was not careful enough.
C.
The man's car was out of control.
D.
The man didn't stop because he didn't see the sign.
【简答题】假定要在网络上传送1.5MB的文件。设分组长度为1KB,往返时间RTT=80ms。传送数据之前还需要建立TCP连接的时间,这时间是2*RTT=160ms。试计算在以下几种情况下接收方收完该文件的最后一个比特所需的时间。 (1)数据发送速率为10Mbit/s,数据分组可以连续发送。 (2)数据奉送速率为10Mbit/s,但每发送完一个分组后要等待一个RTT时间才能再发送下一个分组。 (3)数据发送速...
【单选题】(2012·陕西)—The trip shouldn't take more than an hour. —________.It is at least two hours.
A.
I guess so
B.
That's it
C.
You must be joking
D.
It depends
【简答题】图纸的规格有 ( )种,分别是( )
【单选题】—The trip shouldn't take more than an hour. —___.Tt is at least two hours. [ ]
A.
I guess so
B.
That's it
C.
You must be joking
D.
It depeds
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