Question

【题目】 The old rules have to be________because they only applied to the circumstances that existed when they were made a hundred years ago.

A. developed B. established

C. observed D. revised

Answer 1

【答案】D

【解析】句意：老的规则需要被修改因为它们只适合一百年前的状况。A项表示＂培养，发展＂；B项表示＂建立＂；C项表示＂观察＂而D项正是＂修改＂之意，故选D。