Section7.Exercise Properties

7.1. Predefined Properties

1. Predefined Properties中
   ID = {text}
   Holds the user id of an exercise if defined. Otherwise it is equal to id.>是什么意思?
   id是每个练习的后台编号,纯整数数字,那ID??另外,<id>能自己设置吗??

2. • tags = {csv list of tags}
     Holds the list of tags the exercise should be associated with.
   • topics = {csv list of topics}
     Holds the list of topics the exercise should be associated with.
     tags是加入一个exercise环境中的标签,那topics呢?这是添加主题??
     例子??
   • tags的例子:

     \DeclareExerciseTagging{difficulty}
     \begin{problem}[difficulty=easy]
     

3. 7.1Predefined Properties中的
   page={text}
page-value = {integer}
section = {text}
section-value = {integer}
chapter = {text}
chapter-value = {integer}
   这个几个参数怎么使用?

4. \AddtoExerciseTypeGoal{type}{goal}{value}
\AddtoExerciseTypeGoalPrint{type}{goal}{value}{singular}
   这两个命令放在哪里?怎么用?

5. \addpoints*{hvaluei}
\addbonus*{hvaluei}
   这两个命令放在哪里?怎么用?

6. goal-print = {code} Default: #1又是什么作用?怎么用?