高二英语-必修五第一单元Warming-up-and-Reading课件-新人教版必修5_图文

Unit 1

Great scientists

New words reading

Read the new words and phrases on P91

Warming up

词汇袋袋库
know about 1. know of 听说过 有些事我想了解一下. There is something I want to know about . 我听说过那件事, 但不很清楚. I know of it , but I didn’t know it well. 了解有关….的情况

2. characteristic adj. 独特的，特有的
n．特征，特性 eg. genetic characteristics 遗传特征 ? character n．性格；特征；人物，角色； ? characterize v．是…的特征；描述…的特征 ? characterless adj.无特色的；平凡的 区别future 和characteristic characteristics ? Kindness is one of his _____________. ? My car doesn’t have special ________. futures

3. put forward: bring up, come up with eg:
? He

put forward some useful advice at the meeting. 提出 ? We put forward Tom as monitor. 推荐 ? The meeting has been put forward to 2:00 pm. 提前

考题练练看
? An

interesting suggestion for measuring the atmosphere around Mars has been ________. A．put forward B．put down C. put up D. put aside

【解析】 有人提出一个有趣的建议… 【答案】 A

储蓄…备用 aside _____________________ 把 …收拾起来 ? put away _____________________ 推迟 ? put off _____________________ 穿上，戴上；上演，演出 ? put on _____________________ 放下 ? put down _____________________ 扑灭(火) ? put out _____________________ 举起；粘贴；建立，建设 ? put up _____________________ 忍受 ? put up with _____________________
? put

考题练练看
your salary，you should be able to ________ at least twenty dollars a week. A．put forward B．put up C．put out D．put aside ? 【解析】 句意为“就你的工资而言，每周 你应至少存20美元”。put forward提出； put up张贴；put out扑灭；put aside储存。 ? 【答案】 D
? Considering

Brainstorming

When we talk about great scientists, who will come into your mind?

Father of hybrid rice

Yuan Longping

She got two Nobel Prizes, one for physics and the other for chemistry.

Madame Curie 居里夫人
“The weak one sits and waits the opportunity; The powerhouse makes the opportunity. ” 弱者坐待时机；强者制造时机。

“If I have seen further, it is by standing on the shoulders of gaints.”

Isaac Newton 艾萨克· 牛顿

“Genius is one percent inspiration and ninety-nine percent perspiration.” Thomas Edison 托马斯· 爱迪生

Previous knowledge
Match the scientists with their achievements
Albert Einstein Charles Darwin Madame Curie Thomas Edison Nicolaus Copernicus Stephen Hawking Yuan Longping 1. evolution(进化论) 2. discovery of radium 3. electric bulb 4. theory of relativity 5. a brief history of time 6. the earth moves around the sun 7. father of hybrid rice

Let’s do a quiz about some scientists
1. Which scientist discovered that objects in water are lifted up by a force that help them float? “Give me a place to stand a Greek mathematician on, and I will move the
[m?θ?m?'t???n]
earth”

Archimedes 阿基米德

Let’s do a quiz about some scientists
2. Who wrote a book explaining how animals and plants developed as the environment changed? The Origin of Species

Charles Darwin 达尔文

Let’s do a quiz about some scientists
3. Who invented the first steam engine?

Thomas Newcomen 纽科门

Watt 瓦特

Thomas Edison 托马斯 爱迪生

Let’s do a quiz about some scientists
4. Who used peas to show how physical characteristics are passed from parents to their children?

Madame Curie 居里夫人

Isaac Newton 牛顿

Gregor Mendel 门道尔

Let’s do a quiz about some scientists
5. Who discovered radium in 1898? She received two Nobel Prizes, one for physics and one for chemistry. Madame Curie 居里夫人

Let’s do a quiz about some scientists
6. Who invented the way of giving electricity to everybody in large cities? Thomas Edison 爱迪生

Let’s do a quiz about some scientists
7. Who was the painter that studied dead bodies in order to improve his paintings of people?
Leonardo da Vinci 达芬奇

Let’s do a quiz about some scientists
8. Who invented a lamp to keep miners safe underground in 1815?

Thomas Edison 爱迪生

Watt 瓦特

Sir Humphry Davy 大卫· 汉弗莱

Let’s do a quiz about some scientists
9. Who invented the first seismograph to indicate in the direction of an earthquake?

Zhang Heng
Seismograph ['saizm?ɡrɑ:f]

Let’s do a quiz about some scientists
10. Who put forward a theory about black holes? Stephen Hawking 霍金

What qualities do you think they have in common?
wise/smart/clever lazy friendly cruel hard-working warm-hearted mean devoted easy-going generous modest selfless nice handsome determined brave famous calm enthusiastic lovely honest reliable unkind selfish stubborn

Homework
? Try

to get more information about great scientists. ? Preview the reading passage “John Snow Defeats King Cholera”. ? Remember the new words and phrases in this unit.

Reading

How do the scientists usually do scientific research?
Find a problem Make a question Think of a method Collect results Analyse the results Find supporting evidence Draw a conclusion
THINK

WORK

FIND

SOLVE

What infectious diseases do you know?

Infectious diseases can be spread to other people. They have an unknown cause and need public health care to solve them.

What do you know about cholera?
It is a kind of terrible disease caused by
drinking dirty water and it caused a lot of

deaths in the old times and it was very
difficult to defeat.

Do you know this person?
? A well-known

doctor in the 19th century in London. ? A legendary figure in epidemiology[ep?,di:mi:'? l?d?i:](流行病学) and anesthesiology ](麻醉学) [?nis,θizi'?l?d?i
John Snow ( 1813~ 1858)

Fast reading
Number these events in the order that they happened. ? 2 John Snow began to test two theories. ? 1 An outbreak of cholera hit London in 1854. ? 4 John Snow marked the deaths on a map. ? 7 He announced that the water carried the disease. ? 3 John Snow investigated two streets where the outbreak was very severe. ? 8 King Cholera was defeated. ? 5 He found that most of the deaths were near a water pump. ? 6 He had the handle removed from the water pump.

Careful reading
1.Use the seven stages in setting out a new scientific idea to describe each paragraph. Paragraph Stages Find a General ideas The ________ causes of cholera

1

problem

Theory one: Cholera multiplied ________ in the air and dangerous gas Make up 2 a floated around until it found

its victims.

question Theory two: When people _______ cholera into their bodies absorbed with meals, their bodies were attacked and soon they died.

3

Think

To _______ suspect that the
second theory was

of a
method

correct.

Some information was 4 Collect

results

_________ marked on a map. It seems that water was to ________ blame .

5

Look into the source of Analyse _________ results the water to see if it is the cause of the illness.

6

Find supporting evidence

Extra evidence _______ was found from two deaths that were _________ linked to Broad Street outbreak. _________ Polluted water spread cholera. “King Cholera” was _________ defeated .

7

Draw a conclusion

2. Why was cholera called “King Cholera” in the text? A. Because cholera caused some deaths. B. Because it got its name from Queen Victoria. C. Because cholera was the most deadly disease of its day. D. Because it was defeated with the help of the king.

Careful reading
3. 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. 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 .

Group Discussion
1. John Snow believed Idea 2 was right. How did he finally prove it? He found an outbreak that was clearly related to cholera. He collected, analyzed the data and found the cause of the disease and solved it .

2. Do you think John Snow would have solved this problem without the map?

No. I don’t think so. The map helped John Snow organize his ideas. Yes, I think he would. But he would spend more time in testing the two theories and it would be more difficult for him to look into the cause of cholera.

3. Cholera is a 19th century disease. What disease do you think is similar to cholera today? Two diseases, which are similar today, are SARS and AIDS because they are both serious, have an unknown cause and need public health care to solve them.

Homework
?

?
?

Read the text carefully. Retell the passage with your own words Remember the new words and phrases

3. How serious was the disease outbreak
in London?

The cholera outbreak was so severe
that more than 500 people had died in 10 days.

4. Where were many of the deaths in Broad Street? Many of the deaths were near the water pump in Broad Street. 5. What did Dr. Snow think was responsible for the disease? It seemed the water was to blame.

6. What did Dr. Snow advised the people in Broad Street to do? He told the people to remove the handle from the water pump so it could not be used.

7. What conclusion did Dr. Snow tell the
public? He announced that polluted water carried the disease. 8. What did Dr. Snow tell the water

companies?
They were instructed not to expose people to polluted water anymore.