第16题: [单项选择]5层的房屋建筑属于()建筑。 A. 低层 B. 多层 C. 中高层 D. 高层 参考答案:B
第17题: [单项选择]According to the passage, the winner in the Boston Marathon is the runner who() A. gets to the finish line first B. breaks the record C. does not break the rules D. covers the whole distance 参考答案:D 答案解析: