【单选题】谁是亨利‧詹金斯的博士导师,并对詹金斯影响很深?
【单选题】Which lamp is the brightest? Lamp
B.
is less brighter than Lamp B; Lamp B is brighter than Lamp C; Lamp
C.
is as bright as Lamp D; Lamp B is brighter than Lamp D; Lamp
D.
is brighter than Lamp A.
【判断题】电阻元件上只消耗有功功率,不产生无功功率。