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试题题干

Choose the best topic sentence from the four options below.

A

Boston has been a leading American city in recent years.

B

Students are being required to take more academic courses.

C

Teachers’ monthly salaries have risen to an average of 2,000.

D

The United States is making an effort to improve the quality of education.

参考答案

正确答案:

试题解析

The United States is making an effort to improve the quality of education.美国在努力提高教育质量。A,B,C三个选项没有重点,尽管主题句是在一个段落中是总结概括性的句子,但是句子中依然需要体现出具体的重点。A选项中只是宽泛地说Boston近几年在美国居领先地位,但是并没有说明在哪些方面居领先地位;B选项没有说明哪个年龄段的学生,因为什么原因需要多选文化课。C选项没有具体说明哪些地区的老师,为什么要涨月工资,或有什么影响。