中心议题通常被概括地称为主题句。
The central theme is usually summarized in what is called the topic sentence.
其他的句子是否能够说明或支持主题句？
每段的主题句是什么？
哪一句是主题句？
注意主题句经常是一个自然段的第一句或最后一句。
Notice the topic sentence is usually the first or the last sentence of a paragraph.
对主题句解释：博物馆有很多代表一个国家过去的艺术品。
Museums play an essential role in recording a country's history.
第二段首句是主题句，指出大学课程的另一个问题是如何让学生充分利用大学时光。
There is, of course, another side to the question of how to make the best use of.
较严肃的主题可由一句引言或引人深思的问题开始。
A more serious talk can begin with a quotation or a thoughtful question.
较严肃的主题可由一句引言或引人深思的问题开始。
A more serious talk can begin with a quotation or a thoughtful question.
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