仿照F1,用There is…,There are…There was…There were…写出深圳的变化（不 少 于

shen zheng is a beautiful city.
It is famous for it's peaceful.
As the industry develops,more and more badman came to shen zhen,crimes happen everyday.
Service develops,but human relationship dissapears.
What a nice city!The window of the industry city in China.