灯L1、L2分别标有“220V,60W”和“220V,20W”,串联在220伏电源上,则[ ]
A. L1更亮些
B. L2更亮些
C. L1,L2一样亮
D. 无法判断
答案:B
连一连。
---I will go riding with my friends this weekend.
---Really? ________!
A. Have a good time
B.OK
C.That’s all right
D.Let’s go