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【单选题】
下列不属于中间继电器的特征的是A.
没有主，辅触点之分
B.
各触点允许通过的电流大小相同
C.
信号可中间转换
D.
工作电流大于5A
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【判断题】A sense of humor to the British is an attitude to life rather than the mere ability to laugh at jokes.
A.
正确
B.
错误
【单选题】Which of the following shows a sense of humor?
A.
Opening the door for someone
B.
Complaining to others all the time.
C.
Laughing at ourselves and our weakness
D.
Finding someone who will understand us.
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【简答题】What job do some travel agents usually take when they enter their career?
【判断题】A sense of humor to the British is an attitude to life rather than the mere ability to laugh at jokes.
A.
正确
B.
错误
【单选题】Which of the following shows a sense of humor?
A.
Opeaning the door for someone.
B.
Complaining to others all the time.
C.
Laughing at ourselves and our weakness.
D.
Finding someone who will understand us.
【简答题】在机器中各运动单元称为( )A. 零件 B. 部件 C. 构件 A. 零件 B. 部件 C. 构件
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