英文打字训练程序的基本功能是：

(1)用户可以设置随机产生的英文字母个数。

(2)随机产生用户所设置数目的英文字母，显示出范文，要求用户按范文打字录入，录入开始时计时，录入结束后，计算录入时间和正确率。



程序中有如下性能：

(1) 随机产生题目要求的60或100个字母的范文，范文显示在终端上，同时保存在文件中。

(2) 用户录入的结果保存到单独的文件。

(3) 录入开始前有提示和倒计时。

(4) 录入结束后显示录入所耗时间和准确率(准确率=正确的字符数/总字数*100 )。

(5) 允许用户在一次录入结束后选择退出程序或重新开始。

(6) 同一用户的每次录入成绩保存到同一文件中。

-English typing training program is the basic function of:

(1) the user can set the number of randomly generated English letters.

(2) randomly generated by the number of users set English letters, show model essay, require the user to essays by typing entry, entry start time when, after the entry, calculating the entry time and the accuracy.



Program in the following properties:

(1) randomly generated the topic request 60 or 100 letters of the model, model essay shows in the terminal, the save in the file.

(2) the user input results saved to a separate file.

(3) entry before the start of hints and a countdown.

(4) after the input that entry time lost and accuracy (= the correct rate of the number of characters/total count* 100 ).

(5) allows users in a recorded after the end of the program ? select exit