John, university professor, is considered to be success as expert in the agriculture r

发布时间:2020-08-16 22:23:52

John,      university professor, is considered to be      success as      expert in the agriculture research.
A. a; a; an
B. an; / ; an
C. the; /; an
D. a; the; an

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(答案→)A. a; a; an
B. an; / ; an
C. the; /; an
D. a; the; an
解析:考察冠词。第一空泛指一位大学教授,university的第一个音素是辅音,所以用a;第二孔的success是抽象名词具体化了,指成功的人或者成功的事物,这里指一个成功的人。第三空的泛指一位expert,以元音开始,所以使用an.
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