在键盘上练习打字并能统计时间的程序。通过它练习英文打字练习，并能够统计时间。屏幕上显示出提示信息和练习例句，按照例句从键盘上输入字母即可，每输入完一行后按回车键，可显示出练习输入的时间和下一行例句。按Esc键可退出程序。-Keyboard typing practice in and to the procedures of statistical time. English typing practice through its practice, and to statistical time. Shown on the screen prompts and exercises listen, listen from the keyboard input in accordance with the letter you can, enter the complete line of every press Enter key to display the input of time and practice the next line listen. Press Esc key to exit the program.