【单选题】额定电压为380/220V的异步电动机有星型和三角形两种连接方式, 则三角形联接时的输出功率是星型联接时的()
【简答题】A.resolve B.determine C.settle D.conclude
【简答题】A.suppose B.assume C.withdraw D.conclude
【单选题】每一种光线从0—255被分为256个色阶,0表示这种光线没有,( )代表这种光线最饱和的状态。
【单选题】If the interest rates on all bonds rise from 5 to 6 percent over the course of the year, which bond would you prefer to have been holding?
A.
A bond with ten years to maturity
B.
A bond with one year to maturity
C.
A bond with five years to maturity
D.
A bond with twenty years to maturity
【单选题】已知OA平分∠BOC,P是OA上任一点,如果以P为圆心的圆与OC相离,那么⊙P与OB的位置关系是( )
【单选题】If the interest rates on all bonds rise from 5 to 6 percent over the course of the year, which bond would you prefer to have been holding?
A.
a bond with one year to maturity
B.
a bond with five years to maturity
C.
a bond with ten years to maturity
D.
a bond with twenty years to maturity