— Julie, I feel so bored. What should I do?
—_________
A:What will you do in such a situation?
B:Where would you like to go now?
C:Why not buy some books to read?
对下图所示国际机构的描述,正确的是
把标有“8V 16W”的灯泡L1和“12V 36W”的灯泡L2串联后接在电源两端,其中一只灯泡正常发光,另一只没有达到其额定功率,则