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【单选题】
单相整流X线机,X线管灯丝加热电路、高压初级电路均正常,但无X线产生,下列选项中不是此故障的原因是
A.
高压变压器次级电路断路
B.
高压硅整流器有一只断路
C.
高压电缆插头插座间接触不好
D.
限时电路中的限时电容器漏电
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【单选题】- Qui est Nicolas ?
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C.
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D.
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【单选题】The attitude of Nicolas Baker towards beauty contests is that ______ .
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【单选题】Nicolas was completely _____by the computer games.
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【单选题】During the 2008 financial crisis，the French president Nicolas Sarkozy agreed to provide millions of emergency fund aid to help unemployment．
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【判断题】八角金盘幼嫩枝叶具易脱落性褐色毛。 ( )
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【单选题】President Nicolas Sarkozy of France has been taking intensive English lessons in order to _____ his guests during his state visit to the UK.
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grasp
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相关题目：
【简答题】Listen to the dialogues carefully and choose the best answer according to the question after each dialogue. Each dialogue will be given twice. (     ) 1. A. Kate. (     ) 2. A. He's a teacher. (     )...
查看完整题目与答案
【单选题】- Qui est Nicolas ?
A.
Il est étudiant.
B.
Il est à Paris.
C.
Il a dix-huit ans.
D.
Il habite à la campagne.
查看完整题目与答案
【单选题】晶体管放大器设置合适的静态工作点,以保证放大信号时,三极管( ) 。
A.
三极管集电结将正偏
B.
三极管处于截止状态
C.
三极管将深度饱和
查看完整题目与答案
【单选题】The attitude of Nicolas Baker towards beauty contests is that ______ .
A.
women shouldn't attend the contests
B.
the contests are fine but he doesn't like them
C.
the contests are insults to women
D.
the contests are behind the times
查看完整题目与答案
【单选题】Nicolas was completely _____by the computer games.
A.
attracting
B.
attract
C.
attracted
D.
attraction
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【单选题】晶体管放大器设置合适的静态工作点，以保证放大信号时，三极管（ ）。
A.
发射结为反向偏置
B.
集电结为正向偏置
C.
始终工作在放大区
D.
始终工作在截止区
查看完整题目与答案
【单选题】CERNET是什么网络?
A.
中国教育科研计算机网
B.
中国科技网
C.
中国公用计算机互联网
D.
中国公用数字数据网
查看完整题目与答案
【单选题】During the 2008 financial crisis，the French president Nicolas Sarkozy agreed to provide millions of emergency fund aid to help unemployment．
A.
release
B.
resemble
C.
relieve
D.
recommend
查看完整题目与答案
【判断题】八角金盘幼嫩枝叶具易脱落性褐色毛。 ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】President Nicolas Sarkozy of France has been taking intensive English lessons in order to _____ his guests during his state visit to the UK.
A.
appeal
B.
grasp
C.
hold
D.
impress
查看完整题目与答案