牛津译林版(2020) 必修第三册 Unit 4 Scientists Who Changed the World Extended reading 课件(29 张)

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牛津译林版(2020) 必修第三册 Unit 4 Scientists Who Changed the World Extended reading 课件(29 张)

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(共29张PPT)
Unit 4 Scientists who changed the world
The Value of Science
The Value of Science
Who is Richard Feynman
American physicist Richard Feynman (1918-1988) predicted the future of nanotechnology (纳米技术), and improved the scientific understanding of the nature of waves and particles and the interactions of light and matter. He won Nobel Prize in Physics in 1965.
The Value of Science
Who is Richard Feynman
“Science is the belief in the ignorance of experts.”
“I would rather have questions that can't be answered than answers that can't be questioned.”
Para. 1-2
What question is raised
What caused the speaker’s concern about question
Value 1: enable people to do and make all kinds of things
What should we give credit for if we make good things
Scientific knowledge is an enabling power to do either good or bad—but it does not carry instructions on how to apply it.
How is this value related to the author’s atomic bomb inventing experience
Value 2: provide us with intellectual enjoyment
circle out words to show the enjoyment
With more knowledge comes a deeper, more wonderful mystery, inspiring one to look deeper still.
Never concerned that the answer may let us down, with pleasure and confidence we turn over...
Value 3:
ignorant
doubt
uncertainty
How does the author explain the three concept(概念)
Value 3:
(L27) When a scientist doesn’t know the answer to a problem, he is ignorant. When he has an idea as to what the result is, he is uncertain. And when he is pretty sure of what the result is going to be, he is still in some doubt.
What is the speaker’s attitude to the “ignorance” and “doubt”
Value 3:
Which word appears the most in the last three paragraphs
What kind of freedom is stressed for scientists
enjoy the freedom to doubt
Expressions
P53
it represented the destruction of people
put … at risk
be involved in …
put another way
be of value
be to the credit of science
Scientific knowledge is an enabling power to do either good or bad.
carry instructions on how to apply it
be negated by…
intellectual enjoyment
With more knowledge comes a deeper, more wonderful mystery, inspiring one to look deeper still.
Never __________(concern) that the answer may let us down
find unimagined strangeness
A lot of experience with ignorance and doubt and uncertainty.
take it for granted (that …)
Our freedom to doubt was born out of a deep and strong struggle against authority.
Recognize our ignorance and leave room for doubt.
Permit us to question-to doubt-to not be sure.
concerned
It is our responsibility as scientists 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.
Focus
involve
credit
apply
authority
involve
2. to affect someone or something
These changes will involve everyone on the list.
There was an incident involving a group of youths.
He was involved in that crime.
* be/get involved in … 被卷入
involve
To include something as a necessary part 包含;需要
Any investment involves risks.
The course involves a large amount of work.
Running your own business involves working long hours.
* involve doing
Housework involves cooking, washing dished and cleaning.
Most people don't realize the amount of effort ________ (involve) in writing a novel.
involved
involve
3. to make sb take part in sth (使)参加,加入
Teachers should try their best to involve children in the class.
Reilly involves himself in every aspect of his company’s business.
We want to involve as many people as possible in the celebrations.
Parents should get involved in in their child's education.
* involve somebody in (doing) something 使…参加
* get involved in 加入…
credit
delayed payment [un.] 赊购;赊欠
1) What's the credit limit on your Visa card
2) Most new cars are bought ____ credit.
on
credit card
credit
2. approval or praise [un.] 赞扬;称赞;认可
They never give him any credit for all the extra work he does.
We did all the work and she gets all the credit for it!
To his credit, Jack never told anyone what had happened.
* give/get/take credit for sth
Credit for this win goes to everybody in the team.
* credit goes to sb
* to one’s credit
The credits in a film
This course counts as one credit towards your degree.
You are a credit to your family and your country.
演职人员表
学分
骄傲,荣耀
credit
V. (给账户)存钱;把…记入贷方
Your account has been credited with $50 000.
$50 000 has been credited to your account.
credit A with B= credit B to A
credit
2. [V.] 认为是…的功劳;把…归于
Franklin was credited with inventing the electricity.
Electricity was credited to Franklin.
credit A with B= credit B to A
Credit for this win goes to everybody in the team.
apply
1. [V.] 申请
She applied ___ a job with the local newspaper.
I applied ____ four universities for admission.
我们需要申请建造车库的许可。
We need to apply for permission to build a garage.
for
to
Apply to sb for sth
apply
2. [V.] 运用
The new technology was applied ______ farming..
to
apply A to B
2. [V.]涂;敷;施
After applying a thin layer of paint _______ the wall and letting it dry, apply another coat.
apply A to B
to
apply
4. [V.] 适用,适合
This book applies ______ beginners..
这个优惠只对我们的老顾户适用。
to
Apply to sb/sth
take sth for granted
take it for granted that…
我们不应把父母的关爱当作理所当然。
他只是想当然地认为他会通过考试。
We shouldn’t take parents’ love for granted.
He just took it for granted that he would pass the exam.
authority
1. [uncountable ] the power to give orders to people 权力;威权;当权(地位)
Only the manager has the authority to sign cheques.
Only the president has the authority to declare war.
have ~ to do sth
authority
3. authorities 当局;官方;机构
The health authorities are investigating the problem.
health/education/central/non-profit authorities

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