唐代文学家柳宗元说：“周之失，在于制；秦之失，在于政，不在制”。材料中的两个“制”分别是

    Mr. Brown works on a farm. Mr. Green works in a park. But they don't know each other. Today is Sunday. Mr. Brown comes to the park. He feels tired. He wants to have a little rest. He sees a red chair under a tree over there. So he walks to the chair. Mr. Green is behind him. Mr. Green runs to the chair with a board when he sees Mr. Brown come to the chair. But Mr. Brown runs faster（更快） than Mr. Green. Then he sits on the chair. Mr. Brown is very happy. But Mr. Green doesn't say anything. He gives the board（板子） in his hand to Mr. Brown. It says, "Wet Paint(油漆未干). "

如图所示，如果要使灯L₁、L₂串联，则应闭合开关____，断开开关____，如果电流表的示数为0．25A，则通过L₁的电流为____A，通过L₂的电流为____A；如果要使灯L₁、L₂构成并联，则应闭合开关____，断开开关____，如果电流表的示数为0．8A，通过L₁的电流为0．35A，则通过L₂的电流为____A。