英语口语的作业 ~~要自己选一个题目~

Topics for Presentation
1. Why can the United States be regarded as a collage?
2. What qualities do you think college students should have in order to be competitive in the future job market?
3. What’s the greatest invention so far? Why?
4. Culturally speaking, what are the differences between America and China? Please list three differences which impress you the most.
5. List some reasons for the quickening pace of life for “modern” people. And suggest some possible ways for people in different lines of work (farmers, university teachers, doctors, businessmen, etc.) to slow down steps while not lowering working efficiency and quality of life.
这是我的口试题目，老师给的。。。