题目内容
9．Teachers always tell us to try to be _______ honest student today and _______ useful man tomorrow．（ ）| A． | a； an | B． | an； a | C． | an； an | D． | a； a |
分析 老师们总是告诉我们今天要努力成为一个诚实的学生，明天成为一个有用的人．
解答 答案：B．根据句意可知，student 和 man 分别泛指一类学生和一类人，又第一空后的单词honest 的首音素/?/为元音音素，第二空后的单词useful的首音素/ju/为辅音音素，故一空处填an，二空处填a，所以答案为：B
点评 本题考查冠词的用法，泛指一类人或物用a或an．注意元音因素（注意不是元音字母）开头单词前用an，辅音因素开头前用a
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