问题
单项选择题
创建一个名为myteacher的新类，保存新类的类库名称是mylib，新类的父类是Teacher，正确的命令是
A) CREATE CLASS mylib OF myteacher AS Teacher
B) CREATE CLASS myteacher OF Teacher AS mylib
C) CREATE CLASS myteacher OF mylib AS Teacher
D) CREATE CLASS Teacher OF mylib AS myteacher
答案
参考答案：C
解析： 建立类语句的格式为“CREATE CLASS类名 OF 类库名 AS 父类”，题中要求新类的类库名称是mylib，父类是Teacher，因此，正确的命令是“CREATE CLASS myteacher OF mylib AS Teacher”。