The achievement of all subjects is comprehensively appraised based on a student's result of attendance, classroom performance, homework, quizzes and final examination.

各科成绩按学生出勤情况、课堂表现、课后作业、平时测验及期末考试综合评定。

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As bilingual teachers in classroom teaching, the teaching skills of those teachers and their classroom performance are decisive factors to guarantee the quality of teaching.

双语教师作为双语课堂教学任务的主要承担者与实施者，其教学能力对双语教育的质量具有决定性作用。

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Do not underestimate the effect a change in language or a change in classroom style can have on your performance.

千万不要低估语言和学习方式的转变对你表现的影响。

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In an October 3 editorial in the Wall Street Journal, the former Vikings and Giants star, and successful serial entrepreneur, persuasively and succinctly argues for an NFL-style teacher retention and reward system based on in-classroom performance.

FORBES: What if Teachers Played by NFL Rules?

Connecticut is set to revamp the way it evaluates public-school teachers with a vote Wednesday that is expected to create a rating system based on student performance, classroom observations and, to a smaller extent, anonymous student and parent surveys.

WSJ: Conn. Joining Teacher Trend

And bullying has been shown to lead to absences and poor performance in the classroom.

WHITEHOUSE: President Obama & the First Lady: Conference on Bullying Prevention | The White House