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【单选题】
对称三相交流电路中,三相负载为△连接,当电源电压不变,而负载变为Y连接时,对称三相负载所吸收的功率( )A.
1.732倍
B.
不变
C.
减小
D.
增大
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皮皮学刷刷变学霸
举一反三
【单选题】The purpose for having the customer sign the Customer Agreement Form is:
A.
So that a customer's position(s) can be liquidated if his margin calls are not met.
B.
to give the broker power of attorney.
C.
to satisfy CFTC rules.
D.
to protect the broker.
【单选题】Suddenly there appeared a young woman in green．
A.
who dressing
B.
was dressed
C.
dressed
D.
dreasing
【简答题】There was once a young mouse that lived in a hole in a wall. One day, the young mouse woke up from his sleep and looked out of the hole. As he looked out, a fantastic smell came to his nose. “Cheese!”...
【多选题】某商务大厦施工过程中要经过基坑开挖、土方外运、桩基础及主体工程等施工工序。机械员要参与制定施工设备使用计划和施工机械设备管理制度；参与机械设备的采购或租赁；参与或负责经济、技术、安全管理的相关事务。
请根据背景资料完成相应小题选项，其中判断题二选一（A、B选项），单选题四选一（A、B、C、D选项），多选题四选二或三（A、B、C、D选项）。多选、不选、错选均不得分。
机械设备技术试验合格后，应按照...
A.
交付产权单位
B.
交付使用单位
C.
归存设备台账
D.
归存技术档案
【多选题】关节运动幅度及影响因素描述正确的是
A.
关节面面积差越大，关节越灵活
B.
关节囊越松弛，关节运动幅度越大
C.
周围肌肉伸展性和弹性越大，关节越稳定
D.
年龄越大，关节越灵活
E.
关节周围骨性突起小，关节运动幅度小。
【单选题】There is a story of a British official who was asked to marry a young French sailor and a Chinese girl-none of the three knowing much about the other languages. The official said to the girl, 'This ma...
A.
This man wants to marry you. Is it possible? No, it's not possible.
B.
This man wants to know if you are married If not, will you marry me?
C.
This man wants you to find a wife for him. Can you help him?
D.
This man wants to marry you and take you to his homeland Do you agree?
【简答题】Many years ago there lived a young couple in a small town. The husband was out of job for a long time and the wife 36 make a living by sewing for others. They were so poor that there was almost nothin...
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