My name is Tom. I come from England. I like to have friends who are different from me. My best friend is Paul. Paul is funnier, more outgoing and athletic than me. He always tells jokes and makes me laugh. We also like different things. He likes going to the movies. He likes playing sports. He likes pop music. But I like reading books. He often asks me to go to the movies and gives me some interesting books. And I often give him CDs. We often help each other.

阅读材料，回答问题。

材料一：当此国难极端严重、民族生命存亡绝续之时，我们为着挽救祖国的危亡，在和平统一、团结御侮的基础上，已经与中国国民党获得了谅解，而共赴国难了……在民族生命危急万状的现在，只有我们民族内部的团结，才能战胜日本帝国主义的侵略。             ——《***为公布国共合作宣言》

材料二：内战时期全国经济状况图表（设战前工农业产值为100%）。

材料三：今天，两岸同胞往来之频繁、经济联系之密切、文化交流之活跃、共同利益之广泛是前所未有的，两岸关系展现出和平发展的光明前景。

——贾庆林

如图，在平面直角坐标系中，过点M（﹣3，2）分别作x轴、y轴的垂线与反比例函数y=$\frac{4}{x}$的图象交于A，B两点，则四边形MAOB的面积为____ 

如图中，如果把电键都闭合，两灯都能发光的电路是图____，两灯都不能发光的电路图是____ ，只有一个灯能发光的图是____