牛津译林版（2019）必修第三册Unit4 Scientists who changed the world Reading复习课件 (共21张PPT)

(共21张PPT)
Unit 4
副标题
Welcome to the unit
The scientist is motivated primarily by curiosity and a desire for truth.
------Irving Langmuir
科学家的动机主要是好奇心和对真理的渴望。
——欧文·朗谬尔
Welcome to the unit
In this unit,you are going to:
read a news report on a Chinese Nobel Prize winner;
write a plan for the school Science Festival;
read a lecture transcript about the value of science.
make a fact file about a scientist.
在本单元中，你将:
读一篇关于一位中国诺贝尔奖得主的新闻报道;
为学校科学节写计划;
阅读一篇关于科学价值的演讲文稿。
制作一份关于一位科学家的事实档案。
Reading
Tu Youyou has become the first femal scientist of the People’s Republic of China to receive a Nobel Prize,awared for her contribution to the fight against malaria,one of the dealiest diseases in human history.
屠呦呦成为中华人民共和国首位获得诺贝尔奖的女科学家，以表彰她在抗击疟疾方面的贡献。疟疾是人类历史上最致命的疾病之一。
People’s Republic of China中华人民共和国
contribute to：有助于；促成
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Thanks to her discovery of qinghaosu,malaria patients all over the world now have had a greatly increased chance of survival.
由于她发现了青蒿素，世界各地的疟疾患者的生存机会大大增加了。
thanks to 多亏了
all over the world全世界
have a chance to do sth 有机会做某事
Reading
Born in 1930,in Ningbo,Zhejiang Province,Tu studied medicine at univeristy in Beijing between 1951 and 1955.
After graduation,she worked at the Academy of Traditional Chinese Medicine.
屠于1930年出生于浙江宁波，1951年至1955年在北京大学学医。
毕业后，她在中国中医科学院工作。
take medicine吃药
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She completed further training courses in traditional Chinese medicine,acquiring a broad knowledge of both traditional Chinese medicine and Western medicine.
她完成了进一步的中医培训课程，获得了广泛的中医和西医知识。
a broad knowledge of广泛的只是
both表示两者
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Tu’s education was soon to prove very useful.
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.
屠的教育很快被证明是非常有用的。
在20世纪60年代，许多人死于疟疾，屠在1969年成为一个团队的负责人，旨在找到治疗这种疾病的方法。
prove to be证明是
die of 死于
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intend to do sth 打算做某事
plan to do sth
She collected over 2,000 traditional Chinese medical recipes for malaria treatment and made hundreds of extracts from different herbs.
她收集了2000多种治疗疟疾的传统中药配方，并从不同的草药中提取了数百种提取物。
ancient medical recipes古医方
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When they failed to produce any promsing results
Tu referred to the ancient books of traditional Chinese medicine again.
当他们未能产生任何有希望的结果时
屠又查阅了一下中医古籍。
fail to do sth 未能做某事
promising result有前途的结果
refer to 查阅
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Inspired by an over 1,600-year-old text about preparing qinghao extract with cold water,Tu redesigned the experiments and tried extracting the herd at a low temperature in order not to damage its effective part.
受1600多年前关于用冷水提取青蒿提取物的文字的启发，屠呦呦重新设计了实验，并尝试在低温下提取青蒿，以不损害其有效部分。
be inspired by受...启发
at room temperature在室温
in order not to do 为了不做某事
Reading
On 4 October 1971,after 190 failures,she succeeded in making qinghao extract that could treat malaria in mice.
However,it was hard to produce enough qinghao extract for large trials because research resources were limited.
1971年10月4日，在经历了190次失败后，她成功研制出治疗小鼠疟疾的青蒿提取物。
然而，由于研究资源有限，很难生产足够的青蒿提取物进行大规模试验。
Reading
succeed in doing sth 成功做某事
Tu and her team managed to find solutions to the problem.
When there was no research equipment,they had to extract herbs using household water containers.
屠和她的团队设法找到了解决这个问题的办法。
在没有研究设备的情况下，他们不得不用家用水壶提取草药。
manage to do sth设法做某事
water container水容器
Reading
They worked day and night and their health began to suffer because of the poor conditions ,but they never gave up .
他们日以继夜地工作，由于条件恶劣，他们的健康开始受到影响，但他们从未放弃。
day and night夜以继日
begin to do /doing sth
because of +n
poor condition 条件恶劣
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give up doing sth 放弃做某事
Even with large amounts of qinghao extract produced,however,they still faced another problem.
The trials on patients were likely to be postphoned because they did not have sufficient safety data.
然而，即使生产了大量的青蒿提取物，他们仍然面临着另一个问题。
对患者的试验可能会被推迟，因为他们没有足够的安全性数据。
Reading
large amounts of大量的
be likely to do sth
很可能做某事
To speed up the process and ensure its safety,Tu and her team volunteered to test qinghao extract on themselves first.
为了加快这一过程并确保其安全性，屠和她的团队自愿先在自己身上测试青蒿提取物。
Reading
speed up加速
volunteer to do sth 志愿做某事
The efforts of Tu and her team finally paid off.
through trial and error,they successfully discovered qinghaosu-the most effective part of the qinghao extract,
屠和她的团队的努力终于得到了回报。
经过反复试验，他们成功地发现了青蒿素——青蒿提取物中最有效的成分，
Reading
pay off得到回报
through trial and error通过反复实验
As a key part part of many malaria medicines,qinghaosu has since benefited about 200 million malaria patients.
More than 40 years after its discovery,Tu was eventually awarded a Nobel Prize for her work.
作为许多疟疾药物的关键组成部分，青蒿素已使约2亿疟疾患者受益。
在发现它40多年后，屠呦呦最终因她的工作获得了诺贝尔奖。
Reading
In her Nobel Lecture,she encouraged scientists to further explore the treasure house of traditional Chinese medicine and raise it to a higher level.
在她的诺贝尔奖演讲中，她鼓励科学家们进一步探索中医的宝库，并将其提升到更高的水平。
encourage sb to do sth 鼓励某人做某事
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Perhaps the next generation of scientists,drawing on the wisdom of traditional Chinese medicine,will indeed discover more medicines beneficial to global health care.
draw on利用；依靠，吸收
be beneficial to :有益于
Reading
Thank you!