许多市民抱怨城市的公交车太少，以至于他们要花很长时间等一辆公交车，而车上可能已满载乘客。
11.There is no denying the fact that air pollution is an extremely serious problem :the city authorities should take strong measures to deal with it.
无可否认，空气污染是一个极其严重的问题：城市当局应该采取有力措施来解决它。
12.An investigation shows that female workers tend to have a favorable attitude toward retirement.
一项调查显示妇女欢迎退休。
13.A proper part-time job does not occupy student's too much time .In fact ,it is unhealthy for them to spend all of time on their study .As an old saying goes :All work and no play makes Jack a dull boy
一份适当的业余工作并不会占用学生太多的时间，事实上，把全部的时间都用到学习上并不健康，正如那句老话:只工作，不玩耍，聪明的孩子会变傻。
14.Any government which is blind to this point may pay a heavy price.
任何政府忽视这一点都将付出巨大的代价。
15.An increasing number of people are beginning to realize that education is not complete with graduation.
越来越多的人开始意识到教育不能随着毕业而结束。
