五、阅读表达。〔人与社会——社会与文化〕
阅读下面短文，用英语回答短文后的问题。
Welcome to China, a nation that about one fifth of the world's population call home! China is also one of the world's oldest civilizations (文明). And there are also lots of places of interest in the country.
The Great Wall
The Chinese began working on this long wall more than 2,000 years ago. It was built to stop the enemies from coming in. The Great Wall is the longest man - made structure (建筑) in the world. It has forts (堡垒) and towers, where soldiers used to keep watch. Considered one of China's most well - known places of interest, the Great Wall is visited by millions of people a year.
The Forbidden City
The Forbidden City sits exactly in the centre of the ancient city of Beijing. It took 14 years to complete its construction (建造). For about 500 years, it served as the home of 24 emperors of the Ming and Qing dynasties. A high wall is around it. Today, the Forbidden City, officially known as the Palace Museum, is the world's largest and most complete existing ancient wooden structure architectural complex. Since 1925, it has been officially open to the public.
1. Why did Chinese people build the Great Wall?

2. What does the passage mainly talk about?

3. Do you think all the historical sites (古迹) should be open to the public? Why or why not?

1. To stop the enemies from coming in. 2. It mainly talks about two places of interest in China. 3. Yes. Because they can help people know about the history and culture.（言之有理即可）