如图所示的电路中，当开关S闭合时，小灯泡A₁____（填“逐渐”或“立刻”）亮；然后当开关断开时，小灯泡中的电流方向是____（选填“向左”或“向右”）．

如图所示，物体沿斜面由静止滑下，在水平面上滑行一段距离后停止，物体与斜面和水平面间的动摩擦因数相同，斜面与水平面平滑连接．图中v、a、f和s分别表示物体速度大小、加速度大小、摩擦力大小和路程．图中正确的是（   ）

    Hello! I'm Sophia! Let's meet these popular pig stars! They are from stories and movies.

    Hello. I have a birthmark（胎记） on my right eye. I'm not clever but happy, not rich but have many dreams. I want to visit Disneyland, and eat chicken at Christmas. I have a happy family and many good friends.

— McDull

    Happy New Year, everyone! I like to go on exciting experiences with Teddy Bear. I'm a small but lovely pig. I live in the Hundred Wood with my friends. I wish my friends happiness and health.

— Piglet

    We're Pig Brothers! We are good at building houses. We like to be called “Pig Engineers”. We help others build houses in the countryside. Have you ever read our story? In the story, we build a stone house and drive the wolf out.

— Pig Brothers

    Long time no see! I'm a pig in a Chinese story Journey to the West. I'm good at kungfu(功夫), but I don't like working. In my free time, I like eating and sleeping.

— Zhu Bajie

苏霍姆林斯基说：“人类有许多高尚的品格，但有一种品格是人性的顶峰，这就是个人的自尊心。”以下对自尊和尊重他人的理解，不正确的是（    ）