【判断题】初创企业会不断调整自己的商业模式也会有不同的财务模式。
【多选题】三相鼠笼式异步电动机变极调速时,定子绕组的接线方式有( )。
【简答题】三相异步电动机定子三相绕组的接线方式有_______和___________两种。
【单选题】— Jack said the paper was too hard when he was asked why he failed the exam again.. — Well, _____.
A.
a bad penny always turns up
B.
a bad workman always blames his tools
C.
an early bird catches the worm
D.
an apple a day keeps the doctor away