As rule, apples are sold by weight and eggs by dozen.A. a; 不填;theB. a; the; theC. a; a;

发布时间:2020-08-17 01:22:37

As      rule, apples are sold by      weight and eggs by     dozen.
A. a; 不填;the
B. a; the; the
C. a; a; the
D. the; 不填;不填

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(答案→)A. a; 不填;the
B. a; the; the
C. a; a; the
D. the; 不填;不填
解析:考查冠词。第一空用a泛指一条规则,第二空和第三空是by的用法,如果by后面的名称是抽象名词的时候就不加构成,如by weight按照重量;如果by后面的名词是单位名词那么就在单位名词前面加the,如by the dozen按照打。故A正确。
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