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【简答题】
有一个D触发器,Q初状态为0,当, 时,经过一个脉冲后,Q=( )。
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【单选题】听力原文： Kuwait is a country which is quite small, but which is very rich. It has a population of a little more than a million, and it is situated at the North end of the Persian Gulf. This small desert ...
A.
13%.
B.
16%.
C.
14%.
D.
15%.
【单选题】Which country has the second ______ population in the world?
A.
largest
B.
most
C.
great
【单选题】听力原文： Kuwait is a country which is quite small, but which is very rich. It has a population of a little more than a mil-lion, and it is situated at the North end of the Persian Gulf. This small desert...
A.
13%.
B.
16%.
C.
14%.
D.
15%.
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