The subject that I am appointed to discuss is the theory of education in the United States.

我今天演讲的主题是美国的教育问题。

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Quality education has been the major subject of educational theory research and educational practice research in China.

素质教育一直是我国教育理论研究与教育实践研究的重点课题。

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The subject theory of comparative education is still a somewhat challenging topic.

比较教育学科理论问题仍是一个颇具挑战性的论题。

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Teachers could discuss how creationism differed from scientific theory if a student brought up the subject, but any further discussion should occur in religious education lessons, she said.

BBC: NEWS | UK | Education | Teachers 'fear evolution lessons'