Unit 4 Scientists who changed the world>Reading 课件（共26张，内嵌视频）高中英语 译林版 必修第三册

(共26张PPT)
Unit 4 Scientists who changed the world
Extended reading
What's the importance of science
Lead in
Does science always make good things for everybody？
chemistry
biochemistry
information technology
Science is a double-edged sword.
Now we're going to understand the value of science in a scientist's eyes.
Who is Bill Gates talking about
in the video
Richard Feynman
won the Nobel Prize in Physics 1965
Born: 11 May 1918, New York, USA
Died: 15 February 1988,
Let's read and find out how the writer explains his ideas.
1. Enables us _________________________
2. Provide us with _____________________
3. Scientists have the freedom to __________
Part 2
(paras.______)
Three values of science
Part 1
(paras.______)
Introducing the topic
Part 3
(para.______)
Duty of scientists
*When I was young,I thought science was ______.
*During the war, I found science was obviously
___________.
*Is there some ________involved in science
*progress is the fruit of _________of thought
*Doubt is ___________and discussed
Fast reading
Analyze the structure
1-2
3-6
7
useful
serious
evil
to do and make all kinds of things.
the intellectual enjoyment
doubt
freedom
welcomed
Task 1 Read the Paras.1～2 carefully and choose the best answer.
1．How did the author introduce the topic
By asking a question. B. By making a comparison.
C. By giving an example. D. By quoting a famous saying.
2．What made the author change his attitude to science's value
His experience during the war. B. His research on science.
C. His knowledge about science. D. His common sense.
Task 1 Read the Paras.1～2 carefully and choose the best answer.
1．What does the word “evil” in Paragraph 1 refer to
A．Crime. B．Impact.
C．Mistake. D．Disadvantage.
Read paragraphs 1-2 carefully and find out some expressions with negative meaning to point out that there may be some “evil involved in science”.
Detailed reading para 1-2
Before the war
After the war
Making good things
Being useful
and good
Putting our future at risk
Serious and destructive results
Author’s internal confusion
(paras. 1-2)
Angel
Devil
What is the value of science
Detailed reading para 1-2
Read paragraph 3 and judge T/F.
1. Science is a powerful creation and application enabling us to
do everything.
2. If we use science to make good things, it is to the credit of
science itself.
3. Science knowledge carries instructions on how to apply it,
so it can do either good or bad.
T
F
F
the first value(para. 3)
Detailed reading para 3
Detailed reading para. 3
What do these “it” refer to
making good things
scientific knowledge
In this paragraph,the pronounce “it” is used 5 times.
What does “it” refer to in each case
The first two(line 12) refer to “making good things”,
the final three (line 14and 16) refer to “scientific knowledge”.
Detailed reading para. 3
the second value (para. 4)
Read paragraph 4 and choose the best choice.
1. Which of the following is the intellectual enjoyment that the science
provides us with
A. excitement and mystery B. inspiring people to explore deeper
C. pleasure and confidence D. above all
2. How do we understand “We turn over each new stone to find unimagined strangeness.”
A. Scientists are curious to find some treasures under a stone.
B. Scientists are curious and determined to uncover scientific mysteries.
C. Scientists are curious to do all sorts of researches.
D. Scientists are curious to meet unimagined difficulties.
Detailed reading para. 4
Detailed reading para.4
The keyword of this paragraph is ____________________.
Then can you find the expressions with positive meaning Feynman used to creat the atmosphere of “enjoyment”
intellectual enjoyment
Read paragraghs 5-7 and answer the following questions.
1. What experience is of great importance when scientists explore science
________________________________________________________
2. What does Feynman call on the scientists to do
The experience with ignorance and doubt and uncertainty.
To declare the value of this freedom, to teach how doubt is not to be feared but to be welcomed and discussed; and to demand this freedom as our duty to all coming generations.
Detailed reading paras.5-7
It is our responsibility as scientists, knowing the great progress that is the fruit of freedom of thought, to declare the value of this freedom; to teach how doubt is not to be feared but to be welcomed and discussed; and to demand this freedom as our duty to all coming generations.
parallelism (排比)
para.7
1. What is the main idea of the last two paragraphs
A. Ignorance and uncertainty are essential in science.
B. Great progress in science is the fruit of freedom of thought.
C. The struggle against authority is important to scientific progress.
D. Our freedom to doubt should be ensured.
D
Consolidation
2. What can we learn from the text
A. People should avoid ignorance in science.
B. Mystery can lead to strangeness in science.
C. Poets and dreamers have the wildest imaginations.
D. Some kinds of science represents destruction to humans.
D
Consolidation
Further thinking
According to Feynman,who should be blamed if the power of science is used to do something bad
* Scientific knowledge is an enabling power to do either good or bad-but it doesn't carry instructios on how to apply it.
* If the science is used to do something bad,it is not the science,but the man misusing it that should be blamed.