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【简答题】
I . 语境填词 1 . It means a friend has ________( 背叛,出卖 ) your trust or let you down. 2 . He felt ________( 内疚的 ) when he was told the man he had knocked down had died. 3 . Will you ________( 发誓 ) not to tell anyone? 4 . She would never ________( 原谅 ) him. 5 . Hold your knife and fork in this ________( 方式 ) . 6 . That was a ________( 恐怖的 ) sight. 7 . Don’t be so ________( 敏感的 ) ! I was only joking. 8 . There have been a few ________( 分歧 ) between the two parties.
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举一反三
【多选题】关于并发调度下面说法不正确的是
A.
一个并发调度是正确的如果它和某个串行调度结果相同
B.
一个并发调度是正确的如果它和某个串行调度结果不相同
C.
一个并发调度一定是正确的
D.
一个并发调度一定是不正确的
【简答题】Read the inspection report. Then, choose the correct answers. What is
the main idea of the article?A. The
damage that exists on the coaches. B. How the coaches became damaged. C. The types of passenge...
【简答题】先进行 操作后进行σ xy 可以表示为 。( )
【单选题】在F[x]中,有f(x)g(x)=h(x)成立，若将xy代替x可以得到什么?
A.
f(xy)g(xy)=h(xy)
B.
f(xy)g(xy)=h(xy)
C.
f(xy)+g(xy)=h(xy)
D.
[f(x)+g(x)]y=h(xy)
【单选题】Read the inspection report. Then, choose the correct answers. What is the purpose of this report?
A.
To give instructions for rail workers.
B.
To explain why a section of rail must be closed.
C.
To assess how successful several repairs were.
D.
To inform about the safety of an area of track.
【简答题】Read the inspection report. Then, mark the following statements as true (T) or false (F).
【单选题】下面关于冲突可串行化说法不正确的是
A.
冲突可串行化是可串行化调度
B.
冲突可串行化是不可串行化调度
C.
冲突可串行化是正确的调度
D.
冲突可串行化是与一个串行调度冲突等价的
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