2015年职称英语考试卫生类语法之名词性从句
2015-02-28 09:01 来源：医学教育网
2015年职称英语考试卫生类语法之名词性从句：
1.How some mammals came to live in the sea is not know.(主语从句)
2.The attorney told his client that they had little chance of winning the case.(宾语从句)
3.The problem is what we'll do next.(表语从句)
4.We have no idea that he has come back.(同位语从句)
同位语(Appositive)：
同位语是英语语法的重点内容，也是各类考试中的一个考点，同时，在写作中正确运用同位语可以使你的句型更加简洁得体。
例：When reports came into London zoo that a wild puma had been spotted forty-five miles south of London, they were not taken seriously.
(当伦敦动物园接到报告说，在伦敦以南45英里处发现一只美洲狮时，这些报告并没有受到重视。)
在这里，a wild puma had been spotted forty-five miles south of London就是同位语从句，它本来应该放在“reports”后面，这里却被放在了谓语成分came into London zoo的后面，目的是让句型显得更为稳重。
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