Unit 2

Enjoy the song about health

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

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

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

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

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.

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.

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.

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.

Picture 4 What is the girl doing? 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.

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

Do you know what they are? aspirinpenicillin

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

Alexander Fleming Howard FloreyErnst Chain Do you know these scientists?

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.

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

Now read the passage carefully and answer some detailed questions. 1.When was aspirin first made? 2. When did people find that drinking a special kind of tea could reduce body pains and fever? In Nearly 3500 years ago.

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.

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.

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.

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

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

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

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

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?

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

Enjoy a song Stuck in My Heart.

是 C21 的经典曲目，温暖的和声却配 合着伤感的歌词，让人不禁忽然记起 一些没能实现的诺言... 和一些无法解 释的伤感... 青春是一本太仓促的书， 我们能做的，不过是在当下好好阅读。