U. S. student performance in class is very active, and teachers of the problem as easy as chatting with friends, participation in the classroom so they usually are out of the appraisal.
美国学生在课堂上表现的非常活跃，和老师探讨问题就像与朋友聊天一样轻松，因此他们在课堂参与度的考评上通常都是满分。
U. S. student performance in class is very active, and teachers of the problem as easy as chatting with friends, participation in the classroom so they usually are out of the appraisal.
美国学生在课堂上表现的非常活跃，和老师探讨问题就像与朋友聊天一样轻松，因此他们在课堂参与度的考评上通常都是满分。
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