1.It's an honour to be invited to contribute (投稿) to your magazine.
2.Beijing is recognized as the political (政治的), educational, and cultural center of People's Republic of China.
3.The flooded area is lacking (缺乏) in food and clothes.
4.Is this work voluntary (自愿的) or do we have to do?
5.Spare no effort to acquire (学得) knowledge and never get discouraged.
6.They expect their products to be exported (出口) to Southeast Asia and Africa.
7.Millions will face starvation (饥饿) next year as a result of the flood.
8.All countries, big and small, should be equal (平等的).