题目内容

Mary came ______in the Chinese exam. This is _______time she got the good mark.
A．first, second B．the first; the second
C．first; the secondD．the first; second
C

试题分析：句意：玛丽在这次汉语考试中获得第一名，这是她第二次获得好成绩。come first名列第一，固定结构；the second time第二次，序数词前面要加the.
点评：表示顺序的数词称为序数词。序数词一般以与之相应的基数词加词尾th构成；多个单词时，仅最后一个变为序数词。序数词在句中常做主语、宾语、表语、定语。中学阶段要掌握好它的构成及序数词前要加the.
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