常用的文件在磁盘上的组织方式有：______、______和______三种。
参考答案：顺序结构；链接结构；索引结构
You'd better _____ his name, address and telephone number in your notebook before you forget them. [ ]
A. puck up
B. care about
C. set up
D. set down
私は毎朝公園( )散歩します。
A． を
B．に
C．で
D．が
