牛津译林版（2019）必修第三册Unit 4 Scientists who changed the world Welcome to the unit & Reading 课件(共26张PPT)

(共26张PPT)
Unit 4
Scientists who changed the world
Welcome to the unit & Reading
Ⅰ.明文章大意
1.Where would you most likely find this passage
A.In a blog.
B.In a book.
C.In a newspaper.
D.In a letter.
Step 1　速读——整体理解文意
√
2.What is the passage mainly about
A.Chinese scientist Tu Youyou’s career.
B.Chinese scientist Tu Youyou and her team.
C.Chinese scientist Tu Youyou’s lecture.
D.Chinese scientist Tu Youyou and the discovery of qinghaosu.
√
Match the main idea of each part.
Part 1(Paragraph 1)　　　 A.Tu acquired a broad knowledge of both
traditional Chinese medicine and Western
medicine.
Part 2(Paragraph 2) B.Tu and her team solved a lot of problems
before they successfully discovered qinghaosu.
Part 3(Paragraphs 3－5) C.Tu and her team’s efforts finally paid off.
Part 4(Paragraph 6) D.Tu Youyou won a Nobel Prize in 2015 for her
discovery of qinghaosu.
Ⅰ.Read Para.1 carefully and do the following exercises.
1.Fill in the table below.
Step 2　细读——逐段获取细节
who ______________
what _______________________
when ___________
why ____________________________________________
Tu Youyou
Received a Nobel Prize
In 2015
For her contribution to the fight against malaria
2.What is the main idea of Para.1
答案　Tu Youyou received a Nobel Prize in 2015 for her discovery of qinghaosu.
Ⅱ.Read Paras.2－5 carefully and do the following exercises.
1.Complete the timeline about Tu’s personal experiences with the information from the text.
①Born in Ningbo，Zhejiang Province.
②Studied medicine at university in Beijing.
③Won the Nobel Prize.
④Succeeded in making qinghao extract that could treat malaria in mice.
⑤Became head of a team that intended to find a cure for malaria.
⑥Successfully discovered qinghaosu.
②
④
2.What can we learn from Tu’s personal experiences
答案　Knowledge is power.
Opportunity favors only the prepared mind.
It’s never too late to learn.
3.How long did it take Tu and her team to extract qinghaosu
A.Less than one year.
B.About two years.
C.About three years.
D.Less than two years.
√
4.Which word can be used to replace the word “promising” in Para.3
A.Deadly. B.Hopeful.
C.Surprising. D.Disappointing.
√
5.What do the underlined numbers in the following sentences suggest
(1)She collected over 2,000 traditional Chinese medical recipes for malaria treatment and made hundreds of extracts from different herbs.
(2)...after 190 failures，she succeeded in making qinghao extract that could treat malaria in mice.
答案　These numbers suggest the patience and persistence of Tu and her team.
6.Tu and her team met some problems in the process of finding the cure for malaria.How did she and her team solve these problems Read Paras.3－5 carefully and fill in the table below.
Problems Solutions
The extracts failed to produce any promising results. (1)Tu Youyou referred to the ancient books of traditional Chinese medicine again，redesigned the experiments and tried extracting the qinghao herb at a low temperature in order not to damage its effective part.
Tu and her team could not produce enough qinghao extract because research resources were limited. (2)______________________________________________________________________________________________________________________________________________________
Tu and her team did not have sufficient safety data to start trials on patients. (3)__________________________________________________________________________
Tu Youyou and her team managed to find solutions to the problem，e.g.using household water containers instead of research equipment.
Tu Youyou and her team volunteered to test the qinghao extract on themselves.
7.Which of the following can best describe Tu Youyou and her team
A.Fortunate and energetic.
B.Patient and responsible.
C.Reliable but stubborn.
D.Wise and determined.
√
Ⅲ.Read Para.6 carefully and do the following exercises.
1.The last paragraph tells us that Tu .
A.thinks poorly of traditional Chinese medicine
B.thinks highly of traditional Chinese medicine
C.was awarded the Nobel Prize in 1972
D.felt very sorry for their efforts
√
2.What’s the significance of the achievement
答案　(1)Qinghaosu，as the key substance in many malaria medicines，has saved countless lives.
(2)Tu Youyou’s achievement has earned international recognition of traditional Chinese medicine.
(3)As a female scientist，Tu has also inspired young female scientists to work harder to achieve their dreams.
1.What good qualities can we learn from Tu Youyou？(Creative thinking)
2.In your opinion，why was Tu Youyou so devoted to her work？(Critical thinking)
3.What contributes to Tu Youyou’s success？(Divergent thinking)
Step 3　读后——讨论深度理解
Tu Youyou has become the first female Chinese scientist 1.___________(receive) a Nobel Prize，awarded for her contribution to the fight against malaria.In 1969 Tu became head of a team 2.___________(intend) to find a cure for malaria.3. (inspire) by an over 1,600-year-old text，Tu redesigned the experiments to produce some 4. (promise) results.After 190 failures，she succeeded in making qinghao extract that could treat malaria in mice.When there was no good research 5. (equip)，they had to extract herbs using household water 6. (contain).
Step 4　总结——课文语法填空
to receive
intending
Inspired
promising
equipment
containers
They volunteered to test qinghao extract on themselves to ensure its safety.Their efforts finally paid 7. .Thanks to her discovery of qinghaosu，malaria patients all over the world now have had 8. greatly increased chance of survival.In Tu’s Nobel Lecture，she encouraged scientists to further explore the treasure house of traditional Chinese medicine,9. will be 10. (benefit) to global health care.
off
a
which
beneficial
Step 5　解读——长句难句分析
1.Tu Youyou has become the first female scientist of the People’s Republic of China to receive a Nobel Prize，awarded for her contribution to the fight against malaria，one of the deadliest diseases in human history.
[句式分析]　此句是 句。在名词短语the first female scientist中，序数词first修饰scientist，所以用不定式短语to receive a Nobel Prize作__________。awarded for her contribution to the fight against malaria作Nobel Prize的 。one of the deadliest diseases in human history作 ，解释说明前文的malaria。
后置定语
简单
同位语
后置定语
[自主翻译]　___________________________________________________
_______________________________________________________________ _______________________________________________________________
屠呦呦成为中华人民共和国第一位获得诺贝尔奖的女科学家。她获奖是因为她在抗击疟疾中做出的贡献，疟疾是人类历史上最致命的疾病之一。
2.She completed further training courses in traditional Chinese medicine，acquiring a broad knowledge of both traditional Chinese medicine and Western medicine.
[句式分析]　此句是 句。句子主干是 结构；acquiring a broad knowledge of both traditional Chinese medicine and Western medicine是
作 状语。
[自主翻译]　______________________________________________________
_________________________________________________________________
简单
主谓宾
非谓语动词/现在分词短语
她完成了中医领域的培训课程深造，获得了广泛的中西医知识。
结果
3.In the 1960s，many people were dying of malaria，and in 1969 Tu became head of a team that intended to find a cure for the disease.
[句式分析]　此句是 句。and连接两个并列分句；that intended to find a cure for the disease是 从句修饰 ，关系代词that在从句中作 。
[自主翻译]　___________________________________________________
_______________________________________________________________
并列复合
定语
20世纪60年代，很多人死于疟疾，于是1969年屠呦呦担任了一个旨在找到疟疾疗法的小组组长。
a team
主语
4.However，it was hard to produce enough qinghao extract for large trials because research resources were limited.
[句式分析]　本句为 句。主句是it was hard to produce enough qinghao extract for large trials，其中it是 ，真正的主语是不定式短语 ；because引导 从句。
[自主翻译]　___________________________________________________
_______________________________________________________________
复合
形式主语
to produce...
然而，由于研究资源有限，很难制造出足够的青蒿提取物用于大规模试验。
原因状语
5.Even with large amounts of qinghao extract produced，however，they still faced another problem.
[句式分析]　此句是 句。with large amounts of qinghao extract produced是 (with＋名词＋动词-ed形式)作状语。
[自主翻译]　___________________________________________________
_______________________________________________________________
简单
with复合结构
然而，即使制造了大量的青蒿提取物，他们仍然面临着另外一个问题。
6.Perhaps the next generation of scientists，drawing on the wisdom of traditional Chinese medicine，will indeed discover more medicines beneficial to global health care.
[句式分析]　本句为 句。drawing on the wisdom of traditional Chinese medicine是现在分词短语作 ；beneficial to global health care作 ，修饰 。
[自主翻译]　___________________________________________________
_______________________________________________________________
简单
状语
也许下一代的科学家借鉴中医的智慧，确实会发现更多有益于全球医疗的药物。
后置定语
medicines