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【单选题】
要使J-K触发器在时钟脉冲作用下的次态与现态相反,JK的取值为( )。A.
00
B.
01
C.
10
D.
11
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反馈参考答案：
举一反三
【单选题】He is supposedly talking as a(n) ______, but he obviously knows nothing about reality.
A.
realist
B.
realize
C.
realization
D.
realistic
【简答题】请为下面的句子填入正确的介词。 1. Those days when I studied at college were full of fun. = Those days ______ which I studied at college were full of fun. 2. The table where your mother put the book is very beautifu...
【单选题】In this Senior Management post we need someone who can keep a cool head in a crisis and react quickly to events. The applicant says he suffers from a phobia about flying, and panics especially when an...
A.
It assumes phobias are not treatable or capable of being eliminated.
B.
It assumes that the person appointed to the job will need to travel abroad.
C.
It assumes that a specific phobia indicates a general tendency to panic.
D.
It assumes that people who stay cool in a crisis will be good leaders.
E.
It fails to take into account other qualities the person might have for the post.
【简答题】隧道施工中采用辅助坑道的最主要目的是() ⑴提高通风效果 ⑵便于组织出碴、运输 ⑶增辟工作面，长隧短挖，缩短工期 ⑷利于排水
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