问题补充:
In Britain,sales of cigarettes have been reduced 30% in the past ten years.
A. for
B. to
C. from
D. by
答案:
A. for
B. to
C. from
(答案→)D. by
解析:to表示增加、减少、降低到什么程度,一般包括底数在内。by表示增加或减少的净数,不包括底数,常可省略。句意:在英国,过去十年中,烟的销量下降了30%。
时间:2022-01-26 22:39:43
In Britain,sales of cigarettes have been reduced 30% in the past ten years.
A. for
B. to
C. from
D. by
A. for
B. to
C. from
(答案→)D. by
解析:to表示增加、减少、降低到什么程度,一般包括底数在内。by表示增加或减少的净数,不包括底数,常可省略。句意:在英国,过去十年中,烟的销量下降了30%。