Only rarely are supplementary worksheets distributed in a maths class.

只有在很少的情况下，才会在数学课上发放补充作业纸。

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The students are having a maths class.

学生们正在上数学课。

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The paper USES a maths class as a case and does research on the strategy of combination of traditional and research learning in senior high school curriculum through personal teaching practice.

笔者以数学课教学为例，结合个人的教学实践，对高中课程中合理整合接受式学习与研究性学习的策略进行了探讨。

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About 83% of history trainees and 77% of those planning to teach English had a first class degree or a 2:1, compared with 52% of those wanting to teach maths and 54% of science trainees.

BBC: Teachers: Nearly one in three trainees does not stay

California's state universities have to send over a third of their entering class to take remedial courses in English and maths.

ECONOMIST: Children are exceptions to the country��s work ethic