在科学家眼里，二氧化碳是可以利用的重要资源．在一定条件下，二氧化碳和金属钠反应可以制金刚石CO₂+4Na C（金刚石）+2Na₂O，请计算92g金属钠理论上可制得含碳96%的金刚石的质量．

下面属于百家争鸣产生的原因的有(      )

①文士阶层的出现        ②宗教法制制度的实施

③社会动荡和变革        ④诸侯国的强盛

    Hello, everyone! Tomorrow we'll go for a trip in the mountains. Before we start, there are some ____ and suggestions for you. First, everyone should ____ sports shoes. Second, when you walk in the mountains, you mustn't walk too ____ "to the edge of the path. Third, you must keep ____ or you'll get lost. Fourth, bring some water with you, or you'll be ____.

    We need to put up a tent to stay at night in the mountains. Be careful of the ____ when you are in the forest. Although some animals look ____ they are really dangerous. If you meet animals, don't move suddenly. Just keep still until they ____. Remember to hang your food in the tree before you go to sleep Hope everyone can have a good trip.

今天是2014年6月14日（农历五月十七），月球位置大致在图中的（　　）

阅读下面材料

材料一

材料二  18世纪的英国，正在孕育着人类历史上一种崭新的生产方式，后世称之为“工业革命”。

﹣﹣﹣﹣《大国崛起》解说词

材料三  19世纪中期，英国的煤产量占世界总产量的2/3，蒸汽机产生的能量占欧洲的一半以上，而生铁产量已经超过世界上其他国家的产量总和。