题目内容（请给出正确答案）

[单选题]

She won’t leave （) her friends come back.

A.since

B.until

C.when

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更多“She won’t leave （) her friends…”相关的问题

第1题

If you work hard______, you won’t have to sit up all night before the exam.

A.with some help

B.willingly

C.at other times

D.by yourself

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第2题

I won't pay $ 200 for this article, it's not worth （).A．all that muchB．that all muchC．that

I won't pay $ 200 for this article, it's not worth ().

A．all that much

B．that all much

C．that much all

D．much all that

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第3题

She couldn't bear （) fun of like that.A．makingB．being makingC．being madeD．made

She couldn't bear () fun of like that.

A．making

B．being making

C．being made

D．made

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第4题

The old woman is （) tired （) she can' t walk on.A．too, toB．very, thatC．so, thatD．so, to

The old woman is () tired () she can' t walk on.

A．too, to

B．very, that

C．so, that

D．so, to

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第5题

（）her hobbies，Jane likes fishing（），but she doesn\'t eating fish． A．From all：be

（）her hobbies，Jane likes fishing（），but she doesn\'t eating fish．

A．From all：better

B．For all；best

C．About all；better

D．Of all；best

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第6题

In recent years, one of the more popular topics for panel discussions at computer conferen

ces and trade(61)has been the "RISC versus CISC" debate.RISC processors feature a small number of instructions that each executes in(62)machine cycle. CISC processors use complex instructions that can take several cycles to execute.The RISC versus CISC debate won't be decided by panel discussion; it will be won in the marketplace. And the deciding factor may have little to do with(63)of instructions and registers and more to do with parallelism.Since their conception, RISC processors have been evolving toward micro parallelism, incorporating parallel-processing features(64)the processor, RISC processors feature pipelining, whereby many instructions can be decoded while one instruction executes. RISC processors, however, are moving toward pipelines for each unit of the processor.CISC processors also employ pipelining. They have many integer instructions that execute in one cycle, but the varying execution times of CISC instructions(65)the effectiveness of parallelism.

A．shows

B．two

C．numbers

D．between

E．limit

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第7题

In（85)software, one question of near-universal interest is how rapidly Windows NT, which b

In(85)software, one question of near-universal interest is how rapidly Windows NT, which began shipping last summer, will be(86)in the marketplace and for what uses. For the most part, observers are(87)about the operating system's long term prospects, but expect it to remain on(88)rather than desktops during 1994, saying that it won't become a mainstream product until(89)PCs typically have 16 to 24 MB of RAM, which is unlikely to happen next year.

A．applications

B．accepted

C．clients

D．enthusiastic

E．systems

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第8题

有关系模式A（C，T，H，R，s)，根据语义有如下函数依赖集：F＝{C→T，（H，R)→C，（H，T)→R，（H，S)→R}，则关系模式

有关系模式A(C，T，H，R，s)，根据语义有如下函数依赖集：F＝{C→T，(H，R)→C，(H，T)→R，(H，S)→R}，则关系模式A的码是（）。

A）C

B）(H，T)

C）(H，R)