题目内容

下列触发器中,没有克服空翻现象的有 。

A. 边沿D触发器
B. 主从RS触发器
C. 同步RS触发器
D. 主从JK触发器

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------Got your driving license?-----No. I too busy to have enough practice, so I didn't take the driving test last week.I am going to next week.

A. was
B. have been
C. am
D. had been

-----If he , he that food.------Luckily , he was sent to the hosiptal immediately.

A. was warned, would not take
B. had been warned, would not have taken
C. would be warned, had not taken
D. would have been warned, had not taken

--------The weather has been very hot and dry.--------Yes.If it had rained even a drop, things would be much better now!And my vegetables.

A. wouldn't die
B. didn't die
C. hadn't died
D. wouldn't have died

He did his best in everything; he would not have been what he was.

A. and
B. but
C. otherwise
D. but that

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