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【单选题】
社会主义核心价值观在公民 层面的价值要求是:
A.
富强、民主、文明、和谐
B.
自由、平等、公正、法治
C.
爱国、敬业、诚信、友爱
D.
爱国、敬业、诚信、友善
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举一反三
【单选题】具有过载保护的接触器字所控制电路中,实现欠电压和失电压保护的电器装置是()
A.
熔断器
B.
热继电器
C.
接触器
D.
电源开关
【简答题】ecosystem recipient, chop, emigrant, maneuver, sane, taboos , ozone, lunar, democracy, muttering, p eninsula, breached, etiquette, fabricated 1. I had walked around the entire____________. 2. A suppre...
【简答题】Listen to conversation 1 and decide whether the following statements are true (T) or false (F). 1. The man is asking the woman for advice on keeping a dog. 2 . The man has prepared a doghouse. 3. ...
【简答题】第三节 在空白处填入适当的内容 (1 个单词 ) 或括号内单词的正确形式。 One day, a tramp was sleeping on a park bench, 61 (satisfy) with the afternoon sunshine. A couple walked by. The man stopped, woke the tramp up, and asked him, “E...
【单选题】阅读理解,请选出合适的答案 1.What did the boss want Mike to do one day? Mike worked in an office in a small town. One day his boss said to him, “Mike,I want you to go to Richmond, to an office there, to se...
A.
To go to Mike’s office.
B.
To buy something.
C.
To visit Mr Shute.
D.
./
【判断题】低压断路器中欠电压脱扣器的作用是实现欠电压和失电压保护。 ( )
A.
正确
B.
错误
【简答题】根据句子意思,用括号中所给汉语提示或英语单词的适当形式填空。 1. The old woman walked _____ the road carefully. (穿过) 2. Kathy always makes _____ mistakes than the other students in her class. (少) 3. It is reported that two men were...
【简答题】The woman walked out of the store ____________ (rage) and decided to punish the sales clerk next day.
【单选题】具有过载保护的接触器自锁控制电路中,实现欠电压和失电压保护的电器是( )
A.
熔断器
B.
热继电器
C.
接触器
D.
都不是
【简答题】(郑州大学2004—2005学年第1学期期末试题)图11-42所示电路中,已知电源电压及电路条件如下: ,R=2Ω,V1、V2表的读数均为40V,求A、V表的读数及电路的品质因数Q。
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