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【判断题】
凡是正常运行时三相定子绕组△接法的三相笼型异步电动机，均可采用Y−Δ降压启动方法来达到限制启动电流的目的。A.
正确
B.
错误
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皮皮学刷刷变学霸
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【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 19th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt in necessary to develop their own industry.
C.
They were threatened by the Anglo-Saxons’ invasion.
D.
They had to do it in order to resist the English.
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 9th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt it necessary to develop their own industry.
C.
They were threatened by the Anglo-Saxons' invasion.
D.
They had to do it in order to resist the English.
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 19th century?
A.
A .They needed a unified independent nation to fight against Viking raids.
B.
They felt in necessary to develop their own industry.
C.
They were threatened by the Anglo-saxons’ invasion.
D.
They had to do it in order to resist the English.
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 19th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt in necessary to develop their own industry.
C.
They were threatened by the Anglo-Saxons’ invasion.
D.
They had to do it in order to resist the English.
【单选题】Why did the Scottish Kings decide to form an independent singular Scottish state in the 9th century?
A.
They needed a unified independent nation to fight against Viking raids.
B.
They felt it necessary to develop their own industry.
C.
They were threathened by the Anglo-Saxon's invasion.
D.
They had to do it in order to resist the English.
【单选题】初产妇,胎儿娩出后10分钟,胎盘未娩出,无阴道流血,下列处理不当的是
A.
查看子宫形态、硬度和子宫底高度
B.
仔细检查胎盘、胎膜
C.
强行牵拉脐带
D.
在耻骨联合上方轻压子宫看脐带是否回缩
E.
按摩宫底，促进宫缩
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