4 . 伴有相对湿度高的热空气使人感觉要比实际气温更热一些。
Hot air ________________ high relative humidity feels warmer than it actually is.

6 . 选词填空

A. graduates                  B. formal                  C. socialise                  D. gymnasium          E. accompanied F. casual                       G. refers                      H. symbolised            I. individual               J. intellectual

1. The fall of the Berlin Wall________ the end of the Cold War between the East and the West.
2. People don’t ________with their neighbours as much as they used to.
3. She hopes to work in the countryside when she________next year.
4. The disease is________by sneezing and fever.
5. They wait for the group to decide rather than make________ decisions.
6. This kind of clothing is only suitable for family parties and other________ occasions.
7. The solar system ________to the earth and eight other planets that move around the sun.
8. He goes to the________ every afternoon to sweat off some weight.
9. The two sides met to put their signatures to a(n)________agreement.
10. High levels of lead(铅)could damage the________ development of children.

7 . 由于驯鹿不断地迁移，萨米人会收起帐篷，跟随而去。(汉译英)

8 . 汉译英
1. 专注于生活中真正重要的事情
2. 应某人要求
3. 陪伴某人
4. 在过去三年的夏天里
5. 被安葬在...
6. 人类的忍耐力
7. 走向；朝...前进
8. 首先；尤其是
9. 没有……的机会
10. 开拓视野