译林版（2019）必修三： Unit 4 Scientists who changed the world Welcome to the unit（1） 课件(19张ppt)

(共19张PPT)
基础题参考答案
单词默写。
1.网络摄像头 2.pot 3.表情符号 4.comic 5.国界,边界,尖端,边缘
6.billion 7.显然,明显地 8.access 9.点击，单击，咔哒声/使发出咔哒声，点击，单击 10.button
11.食谱，方法，秘诀 12.military 13.公共事务，政治事务，事件，事情 14.majority 15. 商品,货品,私人财产
merce 17.递送，传送，发表，宣布，交出 18.site 19.靴子 20.arrangement
21.现金，金钱，资金 22.software 23.建立(关系或联系)，设立，确立，使得到认可，查实，确定
24.instant 25.议论，评论，批评，指责/表达意见
26.aware 27.(互联网上)冲浪，浏览，进行冲浪运动
28.guideline 29.删除,移走,开除 30.file
二、语块默写。
1. take off 2.在一定程度上
3.at one's fingertips
4.使显示在计算机屏幕上，调出，提出
5. above all else
三、根据要求完成下列句子。
1.在网上我们几乎什么都能做到。
2.他允诺将扩大高等教育的招生范围。
3. The great majority of people seem to agreewith the proposal.
4. I don't know who to turn to for help.
5. Gone 6.of 7.in
8.invention 9.importance
10.uncomfortably
Unit 4
Scientists who changed the world
Stephen Hawking
1
1
Yuan Longping
The Father of Hybrid rice（杂交水稻）
2
Super rice
Tu Youyou
Noble Prize winner
3
Before-listening
Do you know his significant contribution
Yuan Longping:
In 1953: _______________
In the 1970s: _______________
In 2004: _______________
Stephen Hawking:
In 1942: _______________
In 1988: _______________
In 2002: _______________
While-listening
While-listening
Yuan Longping
● In 1953, he ________________ South-west Agricultural College.
● In the 1970s, he ______ ___ _ _ the first hybrid rice varieties.
Stephen Hawking
● He ___________ __ the field of general relativity.
● In 1988, A Brief History of Time was published and stayed on a bestseller list for ___________.
Scientists who changed the world
graduated from
succeeded in developing
made great contributions to
237 weeks
Welcome to the unit
Discuss the events you know about the Yuan.
Pair work
Discuss the events you know about the Stephen Hawking .
Pair work
What else do you know about the two scientists in the video
Possible answer:
Yuan Longping has an asteroid（小行星）named after him. In 1999, the asteroid project team who discovered it decided to honour this great man for his achievement in developing hybrid rice. The asteroid is called “Yuan Longping star”.
Stephen Hawking fulfilled his lifelong dream of experiencing zero gravity, even though he was wheelchair-bound. His dream came true when he flew in a special zero gravity airplane in 2007.
2. What are the similarities and the differences between the two scientists’ characteristics
Free talk
What can you learn from these great scientists
diligence勤奋；用功
perseverance 毅力
passion for seeking truth.追求真理的热情
Discussion
What qualities do you think a scientist should have from the quote
What other qualities a scientist should have
Patient
qualities
Courageous勇敢的
Creative
Persistent坚持不懈的；不屈不挠的
Thoughtful
Hard-working
Objective客观的
…
Can you list some scientists with these qualities
Charles Darwin
He is the founder of evolution进化.
His theory states that animals and
humans shared a common ancestry(祖先).
The Origin of Species
What other great scientists do you know of
What other great scientists do you know of
Marie
Curie
In 1898 she discovered radium.
She received two Nobel Prize, one
(with Pierre Curie) for physics (1903)
and one for chemistry (1911).
Albert Einstein
He was born in Germany on 14
March 1879.
He is considered one of the most
influential scientists of the 20th
century.
He developed the special and
general theories of relativity.
Qian Xuesen
He was known as the “Father of
Chinese Aerospace” and “King of
Rocketry”.
He made important contributions to
the missile(导弹) and space programs of
both the United States and People's
Republic of China.