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问题 多项选择题

根据我国《宪法》，下列组织中，属于城市和农村按居民居住地区设立的基层群众性自治组织是（）。

A.街道办事处 

B.业主委员会 

C.居民委员会 

D.村民委员会

答案

参考答案：C, D

单项选择题

对电动机从基本频率向下的变频调速属于（）调速。

A、恒功率

B、恒转矩

C、恒磁通

D、恒转差率
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翻译题

翻译画线词组

(1)________He gave all his land away to the city.

(2)_________He is sure to give away your secrets.

(3)_______Have you given the money back toJane yet?

(4)___________The mother gave in and bought a toy for her child.

(5)_______These wild flowers gave off a nice smell.

(6)______The headmaster will give out diplomas.

(7)________This device gives out flashes of light in the fog.

(8)_______Our supply of wine has given out.

(9)_________I wish I could give up sweets.

(10)________Don't give up halfway.
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