第34题: [单项选择]Readers will find that a library's collection of books usually ______ two categories: fiction and non-fiction. A. falls into B. runs into C. separates into D. turns into 参考答案:A 答案解析:falls into“似是而非的”符合题意。其他三项:run into偶然碰到,撞上;seperate into分开;turn into变成。