人教版(新教材)高中英语选修2Unit 1　Science and Scientists优质学案：Reading and Thinking—Comprehending.docx

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1、UNIT 1SCIENCE AND SCIENTISTSSCIENCE AND SCIENTISTS单元主题语境：人与社会一片突出贡献的人物 The fundamental spirit of science lies in seeking truth.科学的根本精神在于追求真理-类文赏读话题导入The Value of ScienceWhat is the value of the science I had long devoted myself to-the thing I had loved-when I saw what terrible things it could do?cou

2、rse, if we make good things, it is not only to the credit1 of science; it is also to the credit of the moral choice which led us to good work.Scientific knowledge is an enabling power to do either good or badbut it does not carry instructions on how to apply it.Such power has obvious value一even thou

3、gh the power may be negated by what one does with it.Another value of science is the intellectual2 enjoyment it can provide us with.When we look at any question deeply enough, we feel the excitement and mystery coming to us again and again.With more knowledge comes a deeper, more wonderful mystery,

4、inspiring one to lookdeeper still.Never concerned that the answer may let us down3, with pleasure and confidence we turn over each new stone to find unimagined strangeness leading on to more wonderful questions and mysteries.I would now like to turn to a third value that science has.The scientist ha

5、s a lot of experience with ignorance4 and doubt and uncertainty, and this experience is of very great importance.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.our freedom to doubt was born out of

6、 a deep and strong struggle against authority7 in the early days of science.In order to progress, we must not forget the importance of this struggle; we must recognize our ignorance and leave room for doubt.Permit us to questionto doubtto not be sure.It is our responsibility as scientists, knowing t

7、he great progress that is the fruit of freedom of thought, to declare8 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.（节选自译林版新教材必修第三册Unit 4）|词汇积累|1. credit /kredit/ n.赞扬，认可；信用intelle

8、ctual/jntSlektJual/q力.脑力的；有才智的，智力兴旺的n.知识分子，脑力劳动者2. let sb.down使某人失望ignorance /ignarans/ n. 无知3. as to 关于；至于take it for granted /gra:ntid/想当然地认为；认为是理所当然4. authority /oiScrati/ n.权威，权力；官方declare/diklea）/宣称;宣布；申报靓句背诵The first way in which science is of value is familiar to everyone： scientific knowledg

9、e enables us to do and make all kinds of things.科学有价值的第一种方式为每个人所熟悉：科学知识使我们能够做各种事并创造各种各样的 东西。K句式分析X 此句中含有in which引导的定语从句，修饰先行词the first way； enable sb.to do sth.使某人能够做某事。1. Now, we scientists take it for granted that it is perfectly possible to live and not know.现在，我们科学家理所当然地认为，人类生而有所不知是完全有可能的。K句式分析X

10、此句中第一个it是形式宾语，从句that it is perfectly possible to live and notknow是真正的宾语。Reading and ThinkingComprehendingLearning Aims（学习目标）Learn some new words.1. Grasp the general idea of the passage.（重点难点）Learn some important sentences.（重点难点）目标一语境识词读前清障阅读以下课文原句，写出黑体词汇的汉语意思1. However, he never lost his desire to

11、destroy cholera once and for all.最终地；彻底地Another was that cholera was caused by an infection from germs in food or water.Snow subscribed to the second theory.感染 细菌；病菌 同意；赞同2. There were multiple deaths near the water pump in Broad Street (especially house numbers 16,37,38, and 40).数量多的Snow suspected

12、that the water pump was to blame.怀疑 把归咎于3. Through Snow s tireless efforts, water companies began to sell clean water, and the threat of cholera around the world saw a substantial decrease.大量的 减少Moreover, in his use of maps and statistics9 Snow transformed the way scientists study diseases.统计数字 使改观目

13、标二精深阅读课文理解Taskl宏观架构整体理解I .Read the passage quickly and then fill in the blanks.II .The main idea of the passage is that John Snow did some scientific research aod helped to defeat “King Choleia” .Task 2微观剖析细节把握Which of the following theories did John Snow believe in?A. Bad air caused the disease.B.

14、People absorbed cholera into their bodies with their meals.C. People got infected with cholera because of cold and hunger.D. People suffered from cholera because they were not clean.K答案X BWhat was the key to help for John Snow s discovery?A. The government.B. The woman who had moved away from Broad

15、Street.C The water company.D. The map made by himself.K答案DAt last, “King Cholera” was controlled by .A. using medicines in hospitaldriving patients out of the countryB. dealing with the polluted watergetting rid of all kinds of pollutionK答案X cWhat conclusion did John Snow draw according to the evide

16、nce?A. Cholera germs multiplied in the water.B Polluted water carried the virus.C A cloud of dangerous gas caused cholera.D. Cholera could never be controlled even though its cause was found.k答案BWhere does this text probably come from?A A newspaper.B. A medical report.C. A book review.D. A TV interv

17、iew.K答案U aTask 3文本理解美句欣赏1. Read the passage carefully and find the sentences to describe the mood of sadness.(细读短文并 找出描写悲伤心理的句子)As a young doctor, John Snow became frustrated because no one knew how to prevent or treat cholera.2. Read the passage carefully and find the sentences to show determinatio

18、n.律出读短文并找出表 达决心的句子)He neve】 lost his desi】e to destroy cholera once and for alL(2)He was determined to find out why.Task 4读后升华思维品质I .After reading the passage, please fill in the following blanks.In the early 19th century, 1 .when a severe cholera hit Europe, John Snow became 2.frustrated(frustrate)

19、 because no one knew how to prevent or treat cholera.3. But he never lost his desire to destroy cholera once and for all.Snow subscribed to the theory that cholera 4.was caused(cause) by an 5,infection(infect) from germs in food or water.Snow began by 6.marking(mark) on a map the exact places where

20、all those who died had lived.As 7.a result, JohnSnow was able to announce that the pump water 8.carried(carry) cholera germs.9.Accordingly(according), he had the handle of the pump 10.removed(remove) so that it could not be used.Through this intervention, the disease was stopped in its tracks.II .Di

21、scussionHow has John Snow s work affected our daily lives?Snow s work has provided readily available clean wate】 to drink, for example, as well as an emphasis on hygiene such as the need to wash hands afte】 they become diity.He also showed how to prevent cholera epidemics, and transformed the way sc

22、ientists study diseases, which has allowed for more protection from once common diseases such as choleia.目标三长句难句拆分解读He discovered that in two particular streets the choleraLthat引导的宾语从句outbreak was so severe that more than 5()() people died inLso.that引导的结果状语从句 ten days.译文：他发现霍乱疫情在两条街道上尤为严重，十天之内就有500多人死亡。1. The irulh was that the water from the Broad Street pump Lthat引导的表语从句 had been infected by waste.译文：事实是宽街水泵抽上来的水已经被废弃物污染了。2. Some companies sold water from the River Thames (that that引导的定语从句 was polluted by raw waste).译文：一些公司出售的水来自被未经处理的废物污染的泰晤士河。