高中英语必修五Unit1教案

Unit 1 Great Scientists

Great scientists

•Guess who they are?

Let’s learn about some scientists. Archimedes He put forward the theory that “ Given a pivot, one can prize up the world.”

He wrote The Origin of Species. It explained how animals and plants developed as the environment changed. Charles Darwin

She discovered radium in 1898. She received two Nobel Prizes, one for physics and one for chemistry.

Marie Curie

He invented the way of giving

electricity to everybody in large cities. Thomas Edison

Zhang Heng

He invented the first seismograph ['saɪzmə,græf] to indicate in the direction of an earthquake.

Stephen Hawking

He put forward a theory about black holes.

• Do you think what can scientists do for us?

works of scientists make life much easier and more comfortable. They make great contribution to social development.

What infectious diseases do you know about?

John Snow ( 1813~ 1858) • a legendary figure in the history of public health, epidemiology （流行病学）and anesthesiology（麻醉学）Do you know this person? Now listen to the tape, and answer the following question.

1 What’s the main idea of the passage?

2 Match the topic of each paragraph

Think of a method Find a problem Draw a conclusion

Collect results

Make a question

Analyse the results

Find supporting evidence

Order the stages in setting out a new scientific idea.

Find a problem Think of a method

Make a question

the results Find supporting evidence Draw a conclusion

Collect results

What’s the main idea of the passage? A. John Snow was a well-known doctor in London. B.The cause of Cholera was polluted water.

Fast reading

C. The source of all drinking water should be examined.

D. How John Snow collected, analyzed data and found the cause of the disease and solved it .

Scanning 2. When did John Snow begin to be famous as a doctor? A. After he attended Queen Victoria as her personal physician. B. Before he attended Queen Victoria as her personal physician. C. When he found the cause of “King Cholera”. D.

After he defeated “King Cholera”.

Scanning

3. Some people thought that cholera spread _____ before John Snow found its cause.

A. in the air

B. by the beer

C. in the water

D. by the birds

Scanning

4. What played an important role in John Snow’s discovery?

A. The woman moving away from Broad Street.

B. The government.

C. The map made by himself.

D. Queen Victoria’s help.

Scanning 5. At last, “King Cholera” was brought under control by ____.

A. using medicines in hospitals

B. driving patients out of the country

C. dealing with the polluted water

D. getting rid of all kinds of pollution