Y/Y0联接的三相变压器,变比k=25,原边接线电压为10kV,副边额定电流为130A,则该台变压器的容量为( )kV·A。
A.40 B.50 C.70 D.90
参考答案:D
句型转换。
1. His baseball is under the table.(变为一般疑问句)
_____his baseball _____ the table?
2. His dresser is next to his bed. (变为否定句)
His dresser _____ _____ next to his bed.
3. My keys are on the sofa.(对划线部分提问)
_____ _____ my keys?
4. Mike is behind the door. (对划线部分提问)
_____ _____ behind the door?
5. I draw pictures on the wall. (变为否定句)
I _____ _____ pictures on the wall.
餐后2小时血糖测定的取血时间()
A.禁餐禁饮8小时以上取血
B.与摄入葡萄糖时间无关,取血测定
C.与进餐时间无关,取血测定
D.定量摄入葡萄糖,饮第一口糖水时计时,2小时后测定血糖
E.从吃第一口饭时开始计算时间,2小时取血为餐后2小时