（一）旅游介绍
介绍首都北京
请你阅读你的加拿大网友Tommy的e-mail，根据e-mail的内容，给他写一封回信。
Dear Li Lei，
I haven't heard from you for a long time. I'm glad to tell you that I'll visit Beijing this summer vacation. It is said that Beijing is a great city with a long history and more changes have taken place since the 2008 Olympic Games. I would like to know something about Beijing，such as places of interest，the environment，traffic and people there.
I'm looking forward to hearing from you soon.
Yours，
Tommy
★范文
Dear Tommy，
I'm glad to know you will come to Beijing.
Beijing，the capital of China，is one of the largest cities in the world. There are many places of interest，such as the Summer Palace，the Forbidden City and the Great Wall. All of them are beautiful and well-known to the world. Great changes have taken place in Beijing since we successfully held the 2008 0lympic Games.
Now，people pay more attention to the environment. More trees and flowers have been planted. For the traffic，it is very convenient for people to travel around Beijing，because several new subway lines have been built. If you come to Beijing，you will find people here are very friendly and helpful. What's more，a lot of people can speak English. Beijing is really an attractive city with a long history.
I'm looking forward to hearing from you soon.
Yours，
Li Lei