题目

发射神舟六号飞船的火箭，使用的是一种固体燃料，它燃烧的化学方程式为：3Al+3NH4ClO4Al2O3+AlCl3+3NO↑+6X↑，则X的化学式为（ ） A．H2O          B． NH3         C．NO2          D．NO 答案：A1．请阅读下列两幅图表：请你根据以上信息，用英语写一篇短文．你的文章应包括以下内容：1．简要描述图表所反映的情况．2．根据图表内容发表你的看法（至少两点）．注意：1．不要逐字翻译，可适当发挥．2．词数120左右．开头已经写好，不计入总词数．3．文中不得提及你所在的学校和你的姓名．From the charts above we have foundFrom the charts above we have found in 2012，Chinese people each read 4.39 books．Compared with other countries，the annual average reading amount of per Chinese is only about half of them．Besides，Chinese people spent only 15 minutes a day readingwhile they spentabout 100 minuts watching TV and 45 minuts surfing on the Internet．How did this come about？The causes consist of two aspects．Firstly，people's lack of reading habit explains the main reason，which is the most urgent and difficult thing to change．Secondly，it is obvious that people nowadays care more about material gains than the enrichment of the mind．It's high time that we paid attention to developing good reading habit as it can bring us enormous benefits．For one thing，reading enables us to acquire knowledge and thus broadens our horizons．For another，it provides enough food for thought and improves our practical skills．What's more，reading enriches our mind and makes it possible for us to lead a meaningful and fulfilling life．