题目内容

So long as men can breathe or eyes can see,So long live this, and this gives life to thee.What does "this" refer to?

A. eyes
B. summer
C. this poem
D. eye of heaven

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What is characteristic of sonnet?

A sonnet is a lyric.
B. It is of fourteen lines.
C. It is usually written in iambic pentameter.
D. It is restricted to a definite rhyme scheme

was the first to introduce the sonnet into English literature.

"Shall I Compare Thee to a Summer's day" is one of's best known sonnets.

虑两台主机A和主机B由一条带宽为R bps、长度为M米的链路互连,信号传播速率为V m/s。数据帖长度为L,假设主机A从t=0时刻开始向主机B发送分组。试求:1)传播延迟(时延)dp;2)传输延迟dt;3)若忽略结点处理延迟和排队延迟,则端到端延迟de是多少?4)若dp>dt,则t=dt时刻,分组的第一个比特在哪里?(注:1k=10^3,1M=10^6)

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