1 . 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.

2 . 环顾四周时，我发现其他新生在聊天，随意地相互介绍。（when引导的时间状语从句的省略；find+宾语+宾语补足语）
________________, I ________________.

5 . 请根据句意指出下列句子中划线单词的词性与汉语意思。
1. The river becomes a natural boundary between the two countries.
2. He shouldn’t have braked the car abruptly (突然地) on such an icy road.
3. For the past few years, a great number of banks have opened branches in Shanghai, the biggest financial centre in China.
4. I was really surprised to hear the news that such a brilliant star as Michael Phelps should take drugs!
5. It should be broadcast on Saturday and Sunday afternoons so that we students can have the chance to watch it.
6. Computers can help people in different ways. For example, computers help scientists in analyzing data and doing complex calculations.
7. Doctors warn that angry feelings can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer.
8. Different people have different views about whether it is wise to pay kids with cash for doing housework.
9. The current situation, in a certain degree, may cast a shadow over the future of the talk.
10. Don’t be too casual at work because work is supposed to be taken seriously.

6 . 写出句中casual的含义
1. It was just a casual remark—I wasn’t really serious. ____________
2. He tried to sound casual, but I knew he was worried. ____________
3. Students sometimes do casual work in the tourist trade. ____________
4. For most informal dinners, you should wear comfortable, casual clothes. ____________

7 . 辨析填空：random，casual
1. For most informal dinners, you should wear comfortable, ________ clothes.
2. We based our analysis on a ________ sample of more than 200 males.