题目

第II卷非选择题（共35分） 第一节：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。 This year, about 2,300 teenagers from all over the world will spend about 10 months in US homes. At the same time about 1,300 American teenagers will go to other countries to learn new languages and learn the rest of the world. Here is a 2-way student exchange in action .Fred,19, spent last year in Germany with George’s family. In turn, George’s son Mike spent a year in Fred2．在春秋战国时期，我国就开始生产和使用铁器，钢的质量也达到较高水平．古代，人们把烧红的生铁放在铁砧上反复锤打，最终使生铁转化为钢，用化学方程式表示原理C+O2$\frac{\underline{\;点燃\;}}{\;}$CO2．