Updated 模板类型 (markdown)

 ### 基础模板
-*     MainTypeBegin = 0,                  //主类型开始的枚举值
-*     CourseContent = MainTypeBegin,      //综合学习
-*     SelectImageByWord,                  //看文字选图
-*     SelectImageBySound,                 //听音选图
-*     FillBlanksBySelectWords,            //选词填空
-*     LookAndSay,                         //看图说话
-*     SelectTextAnswer,                   //选择文字答案
-*     Dictation,                          //听写题
-*     SortPractice,                       //排序题
-*     ClassifyPractice,                   //分类题
+*     CourseContent = 0,                  //综合学习
+*     SelectImageByWord = 1,              //看文字选图
+*     SelectImageBySound = 2,             //听音选图
+*     FillBlanksBySelectWords = 3,        //选词填空
+*     LookAndSay = 4,                     //看图说话
+*     SelectTextAnswer = 5,               //选择文字答案
+*     Dictation = 6,                      //听写题
+*     SortPractice = 7,                   //排序题
+*     ClassifyPractice = 8,               //分类题
 *     ComprehensiveTest = 9,              //阅读/听力理解题
 *     TestExam = 10,                      //考试
 *     Dialogue = 11,                      //对话
 *     Exercise = 12,                      //练习(用在教师版的练习模块中)
-*     SelectImageByListenArticle,         //听文章选图
+*     SelectImageByListenArticle = 13,    //听文章选图
 
 ### 综合学习模板
-*     CourseSubTypeBegin = 100,           //综合学习的子类型开始枚举值
-*     WordsLearning = CourseSubTypeBegin, //单词学习
+*     WordsLearning = 100,                //单词学习
 *     VideoLearning,                      //视频学习
 *     AudioLearning,                      //音频学习
 *     GrammarTitle,                       //语法标题
@@ -37,8 +35,7 @@
 *     CommonSummary,                      //通用的学习总结
 
 ### 自学模板    
-*     SelfStudyBegin = 500,               //课程学习
-*     SelfWordStudy = SelfStudyBegin,     //单词学习
+*     SelfWordStudy = 500,                //单词学习
 *     SelfVideoStudy,                     //个人视频学习
 *     SelfReadingWithVoiceStudy,          //个人听读学习
 *     SelfPureReadingStudy,               //个人纯阅读学习