The construction of"gold course"is the key point of the reform of the university curriculum,and the online and offline mixed teaching is an important way of the construction of the gold course.Among the five"golden classes",online first-class courses...MORE The construction of"gold course"is the key point of the reform of the university curriculum,and the online and offline mixed teaching is an important way of the construction of the gold course.Among the five"golden classes",online first-class courses,namely"Excellent MOOCS"are open to university and social learners.MOOC is becoming an impor...