题目

第三节：任务型阅读（共10小题;每小题1分，满分10分） 请认真阅读下列短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。 注意：每空一词。 It is an all too familiar story. A natural disaster strikes in a remote part of the world, causing destruction and suffering. Villages are flattened and people are forced into camps. It is now happening in China, after the earthquake of magnitude（里氏）8 that was centered on Wenchuan but shook the entire country. Actually, in the past centuries, there were hundreds of thousands of e 向盛有10 g　Na2O2固体的容器中充入一定体积的CO2气体，发生化学反应后再测量气体体积时，发现体积减少了1.12 L(STP)．发生化学反应后的容器内固体的成分和质量各是多少？