I wish I ____ (be) ten years younger.
一台小型发电机产生的电动势随时间变化的正弦规律图象如图甲所示.电路组成如图乙所示,已知发电机线圈内阻为5.0Ω,外接灯泡阻值为95.0Ω,灯泡正常发光,则( )
如图,OM是∠AOC的平分线,ON是∠BOC的平分线.
I've not seen him for a long time. He becomes stronger and more polite .