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【单选题】
I'd like to know __________or not.
A.
whether will he come
B.
if he has come
C.
whether he will come
D.
that he will come
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参考答案:
举一反三
【判断题】JK触发器是在CP 脉冲下降沿进行状态翻转的触发器。()
A.
正确
B.
错误
【单选题】Oh,John, ____ you gave us! [    ]
A.
How a pleasant surprise
B.
How pleasant surprise
C.
What a pleasant surprise
D.
What pleasant surprise
【判断题】棱锥体表面上点的 H 面投影均为可见
A.
正确
B.
错误
【单选题】Oh, Jack, _________________ you gave us!
A.
How a pleasant surprise
B.
How pleasant a surprise
C.
What pleasant a surprise
D.
What pleasant surprise
【单选题】主从JK触发器是(    )。
A.
在CP上升沿触发    
B.
在CP下降沿触发
C.
在CP=1的稳态下触发    
D.
与CP无关
【简答题】A.Short and unchanging. B.Pleasant and melodious. C.Melodious and complicated. D.Pleasant and changing.
【单选题】在总体战略方面,维护科技安全必须坚持( ),掌握核心技术
A.
全球合作
B.
自主创新
C.
以我为主
D.
自力更生
【判断题】立放棱锥体表面上点的 H 面投影均为可见。
A.
正确
B.
错误
【单选题】— Oh, Rose. ______ you gave us! — Really?
A.
How a pleasant surprise
B.
How pleasant a surprise
C.
What pleasant surprise
D.
How pleasant surprise
【单选题】Our journey by camel was _______. [     ]
A.
a pleasant experience
B.
an experience pleasant
C.
pleasant experience
D.
experience pleasant
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