(共17张PPT)
外研版高中英语必修四
Module 4 Great Scientists
In the late 1990s, Brown, an American scholar, came up with the theory of Chinese Menace(威胁), which said that in the 2030s, Chinese population will add up to 1.6 billion, and had the question who would feed the large population in China as well as in the world.
Just at that time, a Chinese scientist declared to the world that China can solve the problem by himself and help to solve the same problem in the world.
Hybrid Rice
Father of Hybrid Rice
China’s Most Famous “Farmer”
Vocabulary and Reading
The Student Who Asked Questions
Step 1 Match each paragraph with its main idea.
e.Yuan Longping is a leading figure in the rice-growing world.
c.As a student, he liked to ask questions.
a. As a young teacher, he began
experiments in crop breeding.
b.He discovered a new type of rice.
f. His discoveries have brought in great
profit(利润）.
d.The yield of the new hybrid rice is greater
than other types grown in Pakistan.
Para .1
Para. 2
Para. 3
Para. 4
Para .5
Para .6
Do you think the title is suitable
If not , write a different one .
Step 2 Careful Reading
1. Read Para 1& 2 and then introduce some information about Yuan Longping.
He is a …
He was …
He was …
He was …
He was …
2. Read Para3 and 4 carefully .
Which sentence in the passage is similar in meaning with the following one
He believed that the most important way to solve the problem of hunger was to produce more rice quickly.
(2) How could he manage to produce more rice quickly
He thought that the key to feeding people was to have more rice and to produce it more quickly.
Which sentence in the passage is similar in meaning with the following one
He believed that the most important way to solve the problem of hunger was to produce more rice quickly.
He thought there was only one way to do this---by crossing different species of rice plant, and then he could produce a new plant which could give a higher yield than either of the original plants.
(2) How could he manage to produce more rice quickly
他认为,唯一的办法是使不同种类的水稻杂交，这样就能产生比原先任何一种水稻产量都要高的新品种。
3.Read the last two paragraphs to list the advantages of his discoveries.
1) Chinese rice production rose by 47.5% in the 1990’s.
2) 50 thousand square kilometers of rice fields were converted to growing vegetables and other cash crops.
3) Yuan’s rice was exported to other countries.
4) Its yield is much greater than the yield of other types of rice grown in Pakistan.
Step 3 Summary
Life experience He _________ in China.
He was _______ plants when he was young.
Process He thought the key _______ was to …
He ______ with different types of rice plants ,and finally he made a ______ .
Contributions Chinese rice productions ______ 47.5 % in the 1990s.
500,000 square kilometers of rice fields ___________ to growing vegetables and other cash crops .
His rice ________ to other countries.
was born and brought up
interested in
to feeding people
experimented
breakthrough
rose by
were converted
was exported
Groupwork
What can we learn from him
What can you do in your life
What can we learn from him
His deep love for people ,for the nation.
His curiosity (好奇心）about many things.
He devoted himself to the research .
He never gave up.
He is always concerned about people .
6. He loves life and enjoys life a lot.
7.He shares his achievements with others.
…
Success = knowledge +sweat（汗水） +inspiration （灵感）+ opportunity（机遇）
Homework today
Read more information about Yuan Longping in Student Times.
Try to organize a short passage about your impression of Yuan Longping .(共8张PPT)
Period 1
Module 4 Great Scientists
Introduction
Reading & Vocabulary
Culture corner -1.Brainstorm (5ms)
Rockets
Culture corner -2. Skimming (5ms) Read the passage and decide whether the statements are True or False.
Today rockets are only used to send astronauts into space.
Rockets were invented by Chinese about 2,000 years ago.
It was in the Song Dynasty that rockets were first used in wars.
It is believed that Europeans learned how to make rockets from the Mongols.
Wan Hu succeeded in sending himself into space with the help of rockets.
Culture corner -3. Structure (5ms) Find out the topic sentences of each paragraph.
Para. 1
Para. 2
Para. 3
Para. 4
Today rockets are used to send astronauts into space or celebrate great events.
Rockets were first invented by Chinese about 2,000 years ago.
First rockets were used in battles in China and then it was spread to Europe.
Rockets were also used in other ways.
Reading &Writing–1. Brainstorm (3ms) Do you know who is him
Stephen Hawking
When & where was he born
Why was he famous
When did he discover /invent
Reading &Writing–2. Vocabulary(3ms) Match the words in the box with the definitions.
a person who has been attacked, injured or killed as a result of a crime, an accident, etc.
to discover the cause of an illness or a problem
a book that sells in very large numbers
an illness
the study of the origin and development of the universe
the act of creating
the state of being disabled
victim
diagnose
best-seller
disease
cosmology
creation
disability
Reading &Writing–3. Numbering(5ms) Read the passage about Stephen Hawking and number the paragraphs in the correct order.
Answers:
2-------3------1
Homework
Find out more information about rocket on
Internet. Then share it with your classmates
Tomorrow
