答案：
Let's Ride Bikes!
Nowadays, you can see more and more people riding bikes on road.Why do they like riding bikes? Let me tell you the reasons.
First, it's not expensive to buy a bike and every family can afford one or more.Second, it is hard to get a place for a car to park.But things are opposite to bikes.Third, riding bikes does good to our health and the most important thing is that riding bikes can not only reduce pollution but also save energy.
Let's ride bikes from now on!
题目分析：本题要求写一篇关于自行车的议论文。要求中已经给出了主要要点，因此要求我们自由发挥的地方较多，只是需要注意不能遗留要求中的要点。动笔前先要注意认真审题，分析体裁，确定时态；分析内容要点，列出一些基本词汇及词组；注意表达的条理性，用好连接词；为丰富文章的文采，可以多用一些复合句。最后，注意不要犯语法、句法以及搭配性错误，写好后反复读几遍，适当修改。
点评：此类作为首先要做的就是认真阅读材料，不能跑题偏题。写作中注意一些基础的写作常识，不犯低级错误。只要平时积累足够，就一定能获得满意的分数。另外为了应付考试，可以有选择的背诵一些范文，这样应考时就会有法可依。