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【单选题】
如图为电动机的控制线路图,若KM 3 触点因故不能闭合,其他线路正常,则合QS三相电源开关并启动电动机后,­­­______。
A.
电动机先是降压启动，经一段时间后，停转
B.
电动机先是降压启动，但不能成功的换接成△
C.
主电路熔断器熔断
D.
按下启动按钮，电动机不转
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参考答案：
举一反三
【单选题】工程监理招标中,选择监理单位主要考虑的因素是( )
A.
监理服务收取的价格
B.
监理规划大纲
C.
监理公司的人员素质
D.
监理公司的资质
查看完整题目与答案
【单选题】—Are you going to join us ? —________.
A.
Yes, I’m.
B.
Yes, I will.
C.
Yes, I am.
D.
Yes, I do .
查看完整题目与答案
【单选题】血管壁的一般结构可分
A.
内弹性膜、中膜、外膜
B.
内膜、中膜、外膜
C.
内皮、内弹性膜、外膜
D.
内皮、中膜、外膜
查看完整题目与答案
【多选题】安全保护控制主要有哪几种方式?
A.
过热熔断
B.
过流熔断
C.
主动故障检测
D.
低温断电
查看完整题目与答案
【单选题】To have a balance between study and a social life I’m going to join a few clubs. ______I’ll make some new friends.
A.
Hopefully
B.
Obviously
C.
Fortunately
D.
Especially
查看完整题目与答案
【单选题】听力原文：M: We are going to have a picnic tomorrow morning, will you join us? W: I'd like to, but I have a tight schedule tomorrow, so please give me a rain check. Q: What does the woman mean? (15)
A.
She is too busy with her work and can not go.
B.
She wants him to check whether it is going to rain.
C.
She will surely enjoy the picnic tomorrow.
D.
She wants the man to help her.
查看完整题目与答案
【单选题】建设单位在选择工程监理单位的招投标过程中，最重要的原则是( )。
A.
基于能力的选择
B.
应将服务报价作为最主要考虑因素。
C.
尽量选择资质等级高的监理企业
D.
优先考虑总监理工程师的实际经验
查看完整题目与答案
【简答题】—I’m going to join their picnic this weekend. — ________A. Can you fish? B. Have a good time C. No, I’m too busy. D. Don’t give up now.
查看完整题目与答案
【单选题】—Why not ______ the music club? —I'm sorry. I can't sing or dance. [     ]
A.
to join
B.
join
C.
joining
D.
to join in
查看完整题目与答案
【单选题】听力原文：W: We are going swimming tomorrow. Would you like to join us? M: I'm afraid I can't. Recently whenever I get into the pool my right leg aches. Q: Why can't the man go swimming? (18)
A.
He is afraid of deep water.
B.
He has heart trouble.
C.
He is too busy.
D.
He has leg trouble.
查看完整题目与答案
相关题目：
【单选题】工程监理招标中,选择监理单位主要考虑的因素是( )
A.
监理服务收取的价格
B.
监理规划大纲
C.
监理公司的人员素质
D.
监理公司的资质
查看完整题目与答案
【单选题】—Are you going to join us ? —________.
A.
Yes, I’m.
B.
Yes, I will.
C.
Yes, I am.
D.
Yes, I do .
查看完整题目与答案
【单选题】血管壁的一般结构可分
A.
内弹性膜、中膜、外膜
B.
内膜、中膜、外膜
C.
内皮、内弹性膜、外膜
D.
内皮、中膜、外膜
查看完整题目与答案
【多选题】安全保护控制主要有哪几种方式?
A.
过热熔断
B.
过流熔断
C.
主动故障检测
D.
低温断电
查看完整题目与答案
【单选题】To have a balance between study and a social life I’m going to join a few clubs. ______I’ll make some new friends.
A.
Hopefully
B.
Obviously
C.
Fortunately
D.
Especially
查看完整题目与答案
【单选题】听力原文：M: We are going to have a picnic tomorrow morning, will you join us? W: I'd like to, but I have a tight schedule tomorrow, so please give me a rain check. Q: What does the woman mean? (15)
A.
She is too busy with her work and can not go.
B.
She wants him to check whether it is going to rain.
C.
She will surely enjoy the picnic tomorrow.
D.
She wants the man to help her.
查看完整题目与答案
【单选题】建设单位在选择工程监理单位的招投标过程中，最重要的原则是( )。
A.
基于能力的选择
B.
应将服务报价作为最主要考虑因素。
C.
尽量选择资质等级高的监理企业
D.
优先考虑总监理工程师的实际经验
查看完整题目与答案
【简答题】—I’m going to join their picnic this weekend. — ________A. Can you fish? B. Have a good time C. No, I’m too busy. D. Don’t give up now.
查看完整题目与答案
【单选题】—Why not ______ the music club? —I'm sorry. I can't sing or dance. [     ]
A.
to join
B.
join
C.
joining
D.
to join in
查看完整题目与答案
【单选题】听力原文：W: We are going swimming tomorrow. Would you like to join us? M: I'm afraid I can't. Recently whenever I get into the pool my right leg aches. Q: Why can't the man go swimming? (18)
A.
He is afraid of deep water.
B.
He has heart trouble.
C.
He is too busy.
D.
He has leg trouble.
查看完整题目与答案
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