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【单选题】
一台三项变压器的联接组别为Y,d11,其中“d”表示变压器的( )。A.
低压绕组为三角形接法
B.
高压绕组为三角形接法
C.
低压绕组为星形接法
D.
高压绕组为星形接法
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皮皮学刷刷变学霸
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【简答题】----How long has Sam been skating? ------He for five hours. A have been skating B has been skating C was skating D has been skated
【多选题】下列哪项属于II型变态反应的特点
A.
抗原抗体复合物存在于细胞膜上
B.
介导的抗体是IgG和IgM
C.
具有明显的个体差异和遗传趋向
D.
有补体.吞噬细胞.MK细胞参与
E.
后果是靶细胞破坏
【单选题】Sam has been appointed ________ manager of the engineering department to take ________ place of George.(2012·重庆)
A.
/；/
B.
the；/
C.
the；the
D.
/；the
【单选题】Sam has been appointed _______ manager of the engineering department to take ____ place of George.
A.
/, /
B.
the, / C the, the D./, the
【单选题】— Could you tell me _________? — He often takes a bus.
A.
what does Tom usually do
B.
where is the post office
C.
how Tom often goes to work
D.
why Tom sometimes comes late
【单选题】Tom is late. What ________ to him?
A.
should have happened
B.
must have happened
C.
can have happened
D.
would have happened
【单选题】JSP的全称是()
A.
Java Servlet Port
B.
Java Server Paper
C.
Java Server Pages
D.
Java Soft Page
【简答题】JSP的全称是( )。
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