2003年l2月，温家宝在哈佛大学演讲时说：“从孔夫子到孙中山，中华民族传统文化有它的许多珍贵品，许多人民性和民主性的好东西。”以孙中山为代表的资产阶级革命派对我国“民主性”的贡献有
①推翻清王朝结束封建制度
②建立资产阶级共和国
③颁布《中华民国临时约法》
④动摇封建统治的理论基础

下列物质分类的说法中正确的是（　　）

“生活质量”是经济、社会和生态等因素共同影响的结果。下图为生活质量与GDP和电力消耗量关系示意图，读图回答下题。

How do we know the weather? We learn it on the radio and TV every day. Different countries have different weather. For example, the weather in Australia is different from that in China. Because the seasons in Australia are the opposite. Its summer is from December to February. But in our country, it's winter this time. And its winter is in June, July and August. So when it's spring in China, it's autumn in Australia. Isn't it interesting?

读中国四个分区图，回答下列各题。