第15题: [单项选择]Iron replaced stone and timber in the building of bridges because iron was considered ______. A. more beautiful B. new and modern C. much stronger D. easier to transport 参考答案:C 答案解析:题中比较了iron、stone和timber,根据这三个关键词可以找到原文的第二段...its(即 iron's)strength was far greater than that of stone
第17题: [单项选择]What is the main feature of the grammar of Old English A. The influence of Latin. B. A revolution in vowel distribution. C. A well-developed inflectional system. D. Loss of some inflections. 参考答案:C 答案解析:第一段的最后一行typified是“以……为代表或特征的”,也就是the main feature of sth.应该选a well-developed inflectional system(完善的