题目

List of the 85th Oscar Award winners announced Sunday in Los Angeles, America: AwardsWinnersFilms Best ActorDaniel Day-LewisLincoln Best ActressJennifer LawrenceSilver Linings Playbook Best Supporting ActorChristoph WaltzDjango Unchained Best Supporting ActressAnne HathawayLes Miserables Best DirectingAng LeeLife of Pi 1 Where was the 85th Oscar Awards presentation held?    A. In Nanjing    B. In New York             C. In Los Angeles          D. In London 2 Which film was directed by the winner of this year’s Best Director?    A. Lincoln        B. L关于电动势，下列说法中正确的是： A、电动势就是电源两极间的电压 B、电动势表征电源把其他形式的能转化为电能的本领大小 C、电动势越大，说明非静电力在电源内部把单位电荷量的正电荷从负极向正极移送做功越多 D、电动势越大，说明非静电力在电源内部把正电荷从负极向正极移送的电荷量越多