题目内容
7．Today is Jack's birthday．He is__ years old now．（ ）| A． | fourteenth | B． | fourteen | C． | the fourteenth | D． | the fourteen |
分析 今天是Jack的生日．他现在14岁了．
解答 答案：B．
根据He is__ years old now，可知本句是描述Jack的年龄，表示年龄用基数词．故选B．
点评 本题主要考查基数词和序数词的使用．基数词强调数量，后面常跟名词复数，序数词强调顺序，常与the搭配，特指某一个，但名词前已有物主代词或名词所有格时，定冠词the要省略．
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