1. Unit 3 Inventors and inventions

2. An amphibious car Stephenson’s Rocket DNA

3. A discovery is A discovery merely makes known something that already exist in nature, such as the discovery on the New Continent by Columbia. An invention is something that is created by human being, such as the light bulb.

4. The suitable order: Finding a problem Doing research Thinking of a creative solution Testing the solution Deciding on the invention Applying for a patent

5. Reading The problem of the snakes

6. Para Stages in the inventing process Example in this story 1 2 Find a problem The snakes must be removed but not harmed Do research Look for methods of removal; the habits of snakes The stages in making an invention.

7. 3 4,5,6 7,8 Test the solution several times Try three times to make it work efficiently Apply for a patent This means the solution is recognized Think of a creative solution Identify three possible approaches: choose one

8. Skim the whole passage and get the main idea. The text narrates _____________________ and presents _____________________ and apply for __________. the problem of the snakes the procedures of catching them a patent

9. Para1-3 1.Why did the writer feel proud when her mother asked her to get rid of the snakes? 2.What did the writer prepare before she could think of a possible approach? Because it was a chance for the writer to distinguish herself by inventing something that would catch snakes but not herm them. She did some research on the habits of snakes.

10. 3. (Discussion): The writer found out three possible approaches, but why did she decide to use the last one?

11. Para4-6: What was the writer’s three attempts to catch the snakes? Why did the first two attempts fail? The first attempt: The writer placed the frozen bowl over the snakes’ habitat for two hours. Two hours was too short to make the snakes sleepy. She needed to spend more time cooling the snakes.

12. The second attempt: The writer placed the frozen bowl over the snakes’ habitat in the evening for a whole night. Once the snakes were picked up, they were woken and tried to bite her. The third attempt: The writer placed the frozen bowl over the snakes’ habitat in the evening and carry a net to collect the snakes without harming them the next morning.

13. Para7-8: 1. Is it easy to apply for a patent? The criteria are so strict that it is difficult for new ideas to be accepted unless they are truly novel. 2. Decide whether each of them can get patents or not? Give your reasons.

14. Discuss with your partner what the advantages might be of getting a patent? You are able to prove that you were the first person to make the invention. You are recognized as a real inventor. You can make money if you sell your invention to others. Discussion

15. 1. 打电话 2. 有时, 偶尔 3. 摆脱, 赶走 4. 使自己扬名, 显摆自己 5. 生物 6. 一种新方法 7. 着手, 开始 8. 决定 9. 把它们引入陷阱 10. 一个制作冰淇淋的器具 11. 同时 call up now and then get rid of distinguish oneself living creatures a new approach set about decide on attract them into a trap an ice-cream maker at the same time Task –3 ： phrases and sentences

16. 12. 消失在墙壁附近的洞里 13. 提起, 拿起 14. 根据 15. 温顺的蛇 16. 把它们都释放到野外 17. 被某人督促 18. 专利局 19. 填表 20.…… 的问题 21. 这是因为我预料它还 会再咬人。 22. 你看看我的银行节余 金额就知道我是否成功了。 disappear into a convenient hole in the wall pick up according to the passive snakes release them all back into the wild be pressed by the patent office fill in the form a matter of This was in the expectation that the snakes would bite again. You will know if I succeed by the size of my blank balance.

17. Curious Creative Persevering