8.这次峰会的主题 the main themes of the summit

7.南非 South Africa

6.联合国　 the United Nations

5.欢迎参加地球峰会 welcome to the earth summit

4.地球峰会 the Earth summit

3.出席会议　 attend the meeting

2.生产能量 produce energy

1. 解决问题难者 solve the problem

60.把报纸拿颠倒

hold a newspaper upside down

Unit 9 Phrases

59.如果一个人失1/3血,就会死if a person loses one third of his blood, he may die