Nian comes____from the hills．(next／up／down)

    Look at this. What's this in English, do you know? Ah, it's a photo. Who's that in the photo? It's Li Yan. Li Yan is my good friend. She is a beautiful girl. Who's that? The boy in black? It's Jim. He is an English boy. He is very cool. He is my friend, too. We are all in Class 3,Grade 7. I like Jim and Li Yan.

若点（$x_1$，$y_1$）、（$x_2$，$y_2$）和（$x_3$，$y_3$）分别在反比例函数$y=-\frac{2}{x}$ 的图象上，且　$x_1<x_2<0<x_3$，则下列判断中正确的是（　　）

如图所示：当S₂和S₃闭合，S₁和S₄断开时，电流流过的用电器是____；当S₂闭合，S₁、S₃和S₄断开时，电流流过的用电器是____，它们是____连接；当S₁和S₄闭合，S₂和S₃断开时，电流流过的用电器是____，它们是____连接．