1. Unit 2

2. Enjoy the song about health

3. Free talk
As we all know, health is very important to everyone. Do you know how to keep healthy?
right food
regular exercise
enough sleep

4. Discussion
Have you ever taken medicines? What medicines have you ever taken? And what do you know about them?

5. Look at the four pictures in the textbook carefully and answer the questions. You can discuss them with your classmates.

6. Picture 1 Who is the girl in white? A chemist. What does a chemist do?
A chemist’s job usually involves preparing and selling medicines.

7. What qualities does a person need in order to be a chemist?
A chemist should have studied medicine, and be careful, practical and interested in chemistry. He or she needs to be patient as well, as a chemist needs to communicate with or introduce medicines to patients.

8. Picture 2 What happens to the person?
Do you know the origin of acupuncture?
The person is receiving an acupuncture treatment on an ear.
Acupuncture has its origin in China before 2,000 BC.

9. What can acupuncture do?
Have you ever had acupuncture? What did it feel like?
Acupuncture can help relieve body pains. Some people believe that acupuncture can help with things such as weight loss and quitting smoking.

10. Picture 3 What are the doctors and nurses busy doing?
What do you call the doctors who perform an operation on patients?
They are performing an operation.
Surgeons.

11. Picture 4 What is the girl doing? She is having her eyes examined.
What do you call the lady testing the girl’s eyes?
Do you have good eyesight? How can you protect your eyes?
She is having her eyes examined.
An eye doctor.

12. What’s your ideal job in the future. Do you want to be a doctor
What’s your ideal job in the future? Do you want to be a doctor? Why or why not?
Discuss with your partner.

13. Do you know what they are?
aspirin
penicillin

14. Have you ever taken these medicines
Have you ever taken these medicines? What illness can the two medicines cure?
What else do you know about these two medicines?

15. Do you know these scientists?
Alexander Fleming
Howard Florey
Ernst Chain

17. Listen to the tape and try to find the
answers to the following questions.
1. What are the two medicines mentioned in the article?
Aspirin and penicillin.

18. 2. When was penicillin first discovered?
3. What award did Fleming, Florey and Chain share?
The Nobel Prize in Medicine.

19. Now read the passage carefully and answer some detailed questions.
When was aspirin first made?
2. When did people find that drinking a special kind of tea could reduce body pains and fever?
In 1897.
Nearly years ago.

20. 3. What other things can aspirin help with besides reducing fever and pain?
It can also help reduce the risk of heart attacks by thinning blood, prevent strokes, reduce the risk of some cancers, increase the length of people’s lives and help with diabetes.

21. 4. Where did Alexander Fleming find penicillin?
In a mould that killed bacteria.
5. What illnesses did Fleming think the mould might be used to treat?
It might be used to treat illnesses caused by bacteria.

22. 6. What difficulties did Fleming have in developing penicillin as a drug?
First he was unable to find a procedure to make penicillin pure enough to work as a medicine. Second, it was difficult to produce penicillin in the ample quantities needed to be effective.

23. used to reduce blood sugar levels
Part C2
used to prevent strokes
used to reduce blood sugar levels
sold in shops in the form of tablets
mass production began
1940
1971
1928
1900
1944
1977
2003
discovered by Alexander Fleming
made and tested in large quantities
proved to reduce the risk of heart attacks

24. After you read the passage twice, can you conclude the effects of aspirin and penicillin?

25. Effects of aspirin reducing fever helping stop pain
reducing the risk of heart attacks
preventing strokes
reducing the risk of some cancers

26. Effects of penicillin increasing the length of people’s lives
reducing blood sugar levels and helps with diabetes
Effects of penicillin
treats illness caused by bacteria

27. Discussion
What do you think the world would be like if there were no medicines?
What harm, if any, do medicines do to people?
Do you believe that new medicines will be invented to treat diseases like AIDS in the future?

28. 2013 Nobel Prize Winners in Physiology or Medicine
Randy W.
Schekman
Thomas C.
Südhof
James E.
Rothman

29. Enjoy a song Stuck in My Heart.

30. <You are stuck in my heart>