（1） 同位语从句句型
同位语从句是雅思写作中非常常用的另一种从句，与其前面所修饰名词形成同位关系。
1 I have a dream that one day, all roads will be made plain.
2 We hold this truth to be self-evident that all men are created equal.
3 Some people hold the opinion that the Internet is a curse.
4 Museums play a role of education for the simple reason that they provide people with a good opportunity to have a deeper understanding of their own country's tradition and cultures.
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