读图完成以下各题：
公平正义比太阳还要有光辉。下列措施有利于促进公平正义的有（ ）
①农民购买家电、建材由政府提供财政补贴 ②完善社会保障机制，扩大养老保险试点范围
③提高城镇居民基本医保和新农合财政补助标准 ④深化医疗卫生体制改革，缓解“看病难、看病贵”问题
下列关于物质分类合理的是 （ ）
阅读短文，回答问题。China is a big country. There is a population of 1.3 billion（13亿人口）in China. People speak Chinese in China. Beijing is the capital ofChina. It`s an old and famous city. It`s in the north .In China, there are manybig cities. Shanghai is a famous city, too. It`s in the east of China. I livein shanghai. My favourite city is Sanya. Sanya is in the south. Lhasa(拉萨)is in the west.
黄金是一种贵重金属．在人类漫长的历史中，素有“沙里淘金”、“真金不怕火炼“之说．这说明黄金在自然界中主要以____形式存在，也说明黄金的化学性质在自然条件下非常____．
