Unit 4
Global warming
学校英语论坛针对当前城市交通拥堵、污染严重问题进行了“治堵方案大家谈”讨论。以下是讨论概要。
治堵方案大家谈
少开私家车；多人共乘一辆小车
政府完善公共交通以方便市民
修建绿道（green lanes)勉励骑车
好处：省钱、省时、节能、环境保护
请依据以上概要写一篇短文，包含以下内容：1.存在问题。  2.处理方案3.方案好处。
基础写作  (1)Nowadays, more and more families have their own cars ,which causes the problem of traffic jams in cities as well as air pollution. (2) Here are some solutions on how to deal with these problems. (3)First, we should reduce the use of private cars and increase the practice of car-pooling, where one c ...