update
Revert "修改考试的方法，把多余的删掉了"

This reverts commit c614803802ca105dc754c244879cfb31e19a057f.

Conflicts:
	Test_regress/src/as_test_regress.py
Merge remote-tracking branch 'origin/master'

Conflicts:
	Test_regress/src/as_test_regress.py
	Test_regress/src/exam_questions.py