第28题: [单项选择]Our public transportation is not (sufficient) for the need of the people in our major cities. A. additional B. efficient C. excessive D. adequate 参考答案:D 答案解析:adequate“足够的”。additional“附加的,另外的”;efficient“高效的”;excessive“过多的”。本题译文:我们的公共交通运输不能满足大城市里人们的需求。