阅读下面这则故事，按要求作文。 　　小蜗牛问妈妈：为什么我们从生下来，就要背负这个又硬又重的壳呢

There are plenty of difference between Wuhan and Xiaogan.To begin with,the traffic in Wuhan is crowded.Traffic jam often happens.There are so many people that you can mot take a bus easily on weekend.But in Xiaogan it is much better.However,the environment in Xiaogan is not as good as that in Wuhan. The street in Wuhan is cleaner than that in xiaogan.Finally, I think the people in two places are diffeient.Some people in Wuhan are not very friendly.but people in Xiaogan are willing to help you when you need help.On the whole,Wuhan and Xiaogan are totally different.