3.  Which plant and animal do you like best? Can you classify them into a system ?  Do you know who classified them? Carl Linnaeus

4. Carl Linnaeus (1707-1778) Swedish Carl Linnaeus is often called the Father of Taxonomy( 分类学 ). He succeeded in classifying the plants and animals into a system they worked. His method was called “the sexual method” of classifying plants and animals. His ideas on classification have influenced generations of biologists during and after his own lifetime.

5. A. This is about a man who wants to name a flower. B. This is about a man who finds a flower and wants to own it. C. This is about a man who finds a flower and wants to know if it is a new species of flower. Choose which of the following statements most closely describes what this listening passage is about. Explain why the others are wrong.

6. Listen to the tape again and try to complete the following passage. To find the name of the unknown flower, first you have to go to see a flower ________. He /She will look in a special ________ written by Carl Linnaeus. He lived in __________ from ________to __________. He was very important because he solved a serious problem for _________. He saw all plants and animals produce _________________________. Some animals produce __________ but others lay _______ while plants ______________. He used these specialist young plants and animals biology 17781707 Sweden book eggs produce seeds babies

7. different ways of producing young to put plants and animals into _________. For example, the group called birds lay ________ to produce young and they all have ________. Linnaeus put the plants and animals into smaller groups or species. He gave each one two names. One is for the large group, for example _______ and one is for the species, for example _________. So a parrot would be ___________. He was the first person to successfully classify( 分类 )all plants and animals. bird,parrot parrot bird feathers eggs groups

8. Imagine you are going to meet a specialist about a newly-found flower. Your partner will be the assistant for the flower specialist. You both need a description of the other so you can recognize each other when you meet.Now ring the assistant to sort out the necessary information. Talking P41

9. Pair work (Making a telephone call) How will I recognize you? What special features do you have? What will you wear? How will I know you? What do you look like? You can recognize me because… I’m tall/short, fat/thin, young/old with… My…looks a bit like… I have large /small,brown/green eyes with…

10. “Nothing in the world is to be feared; it is only to be understood.” --Marie Curie It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change. --Charles Darwin “Genius is one percent inspiration and ninety-nine percent perspiration.” --Thomas Alva Edison Enjoy some famous saying by scientists

11. Expressions & phrases (1) 1.know about… 了解 …… 的情况 2.lift up 举起 ; 抬起 ; 提升 3.steam engine 蒸汽机 4.physical characteristic 人体的特征 5.put forward a theory about black holes 提出一个有关黑洞的理论 6. infectious disease 传染性的疾病 7. in scientific research 在科学研究上 8. examine a new scientific idea 验证一个新的 科学思想

12. 9. draw a conclusion 得出结论 11. a well-known doctor 一个著名的医生 12. ordinary people 百姓 ; 普通人 13. expose (…)to sth. 暴露 (…..) 在 …… 中 14. the most deadly disease 最致命的疾病 15. terrified people 被吓坏的人们 16. get interested in sth./doing sth. 对 … 产生兴趣 17. absorb sth. into… 把 …. 吸收入 ….

13. 21. the water pump 水泵 22. in addition (to…) 除..… 之外还有 … 23. link … to … 将 …. 和 …. 联系起来 (be linked to…) 25. die of… 死于 … 26. announce with certainty 肯定地宣布 27. polluted water 被污染的水 28. prevent sb. from doing sth. 阻止某人干某事 29. deal with… 处理 ……

14. 1.come to an end 到了尽头 2.look into… 调查 …… 3.apart from… 除 ….. 之外 ; 此外 (=except for…) 4.be strict with sb. 对某人严格要求 5.a revolutionary theory 一个革命性的理论 6.lead to… 通向 …. ; 导致 … ( 注意 :to 为介词 ) 7.make sense 有意义

15. 10. at times =sometimes 有时候 11. contribute to sth. 有助于 ; 促进 12. encourage sb. to do sth. 鼓励某人做某事 13. point of view 观点 14. living conditions 居住条件

16. 1) John Snow devoted himself to ________(science, scientific) research. 2) He worked hard until he drew a _________ (conclude, conclusion) in 1854. 3) The teacher drew a picture to make herself ______ (ease, easy, easily) understood. 4) The boy needs some more stamp to make his collection __________ (complete, completely). 5) ____________ (Apart from, Except) that 10 dollars, I have another ten given by my mother. Choose the correct words scientific conclusion easily complete Apart from

17. Fill in the blanks in the correct form 1).But he became _______ (inspire) when he thought about helping ordinary people _____(expose) to cholera. 2).The disease attacked the body quickly and soon the _______ (affect) person was dead. 3).Immediately he told the ______ (astonish) people to remove the handle from the water pump. 4).In addition, he found two other deaths that were ______ (link) to the broad Street outbreak. 5).The water companies were also ____(instruct) not to expose people to polluted water anymore.

18. Time to enjoy your report on scientists

19. Checking Yourself The things I can doEvaluation I can talk about some great scientists.54321 I can retell the stories about John Snow and Copernicus. 54321 I can express my opinion on how cholera was defeated. 54321 I can give brief advice on how to keep from cholera on our daily life. 54321 I can describe people ’ s characteristics and qualities. 54321 I can make sentences using the past participle as the attribute and predicative. 54321 I need more practice in:______________________________.