Unit 1 Section A Reading and Thinking 教案- 人教版(2019)選擇性必修第二冊

1、Unit 1 Science and Scientists Reading and Thinking教學(xué)設(shè)計科目：英語 課題：Reading and Thinking 課時：1課時教學(xué)目標(biāo)與核心素養(yǎng)：知識目標(biāo)：通過閱讀，了解約翰斯諾是如何打敗“霍亂王”的。能力目標(biāo)：學(xué)生學(xué)會在閱讀過程中梳理文章信息，分析文章結(jié)構(gòu)。情感目標(biāo)：通過了解約翰斯諾探究霍亂病源、切斷感染源，并最終阻止霍亂的事件，理解科學(xué)中質(zhì)疑精神。教學(xué)重難點教學(xué)重點：引導(dǎo)學(xué)生研讀語篇、梳理信息、分析結(jié)構(gòu)，了解科學(xué)研究的基本步驟，并學(xué)會在閱讀中發(fā)問。教學(xué)難點：理解質(zhì)疑精神在科學(xué)研究中的重要作用，思考科學(xué)研究對人類的影響。課前準(zhǔn)備：多媒體，

2、黑板，粉筆教學(xué)過程：一、Pre-reading1. Greeting2. Leading-in教師活動：Let students discuss following questions in groups._5_analyse the results _2_ask a question _7_draw a conclusion _4_collect data _1_find a problem _6_find supporting evidence _3_think of a method學(xué)生活動：閱讀文章標(biāo)題，思考下列問題： Who was John Snow? What is King C

3、holera? What did John Snow do about King Cholera?活動目的：通過文章標(biāo)題猜測文章主要內(nèi)容。While- reading學(xué)生活動：Paragraph(s)Main idea1What? Who?2-3How?4The truth5Results and significance瀏覽2-3段，完成活動二，找出對應(yīng)活動1中七個步驟的語句。OrderStage Key words or sentences1find a problemtwo contradictory theories2ask a questionin two particular st

4、reets the cholera outbreak was so severe. . .find out why3think of a methodmarking on a map4collect datahouse numbers 16, 37, 38,and 40;20 and 21 Broad Street; 8 and 9 Cambridge Street5analyse the resultsmultiple deaths near the water pump;some households had had no deaths6find supporting evidencea

5、woman and her daughter had died; the woman liked the water. . .she had it delivered to her house7draw a conclusionAs a result of this evidence, John Snow was able to announce that the pump water carried cholera germs.3. 教師活動：通過問題引導(dǎo)學(xué)生讀懂課文插圖。What kind of map is it? (Its Snows cholera map.)What does me

6、an? (1 death)What does PH mean? (public house)What does 30, 31, . . .refer to? (numbers of houses)How many deaths were there in house number 19 in Broad Street? (2)Which house numbers had more than four deaths in Broad Street? (16, 37, 38, and 40)Which house numbers had no deaths in Broad Street? (1

7、4, 20, 21, 25, 27, 28, and 34)Where is the pump? (near house number 40 in Broad Street) 學(xué)生活動：完成活動3和活動4。D: The pump water carried cholera germs.C: Many deaths occurred near the water pump in Broad Street.Some people had not drunk the water from the pump, and lived.A woman and her daughter died in ano

8、ther part of London after moving away.A: It was believed that cholera was caused by bad air or germs in food or water.E: The handle of the pump was removed.B: Snow marked the places where the people who died had lived.活動4：1 conclusion D2 evidence C 3 process B 4 solution E 5 theories A 4. 精讀第4-5段，回答

9、下列問題。What caused the outbreak of cholera in London in 1854? (The water which came from the River Thames and had been infected by waste.)Was cholera destroyed completely? (No.)How can we prevent cholera? (By drinking pure or boiled water, and eating clean food.)What contributions did John Snow make t

10、o science? (He helped people know how to prevent cholera. He transformed the way scientists study diseases by using maps and statistics. )三、After-reading1. 教師活動：分組討論活動5，完成后在課堂展示。Q: What did Snow think cholera was cause by?A: Snow thought that cholera was caused by germs in food or water. Q: Why did

11、Snow have the handle of the pump removed?A: Snow had the handle of the pump removed so that it could not be used.Q: How was the cholera threat defeated?A: The cholera threat was defeated thanks to the work of John Snow.2. 分組討論活動6，鼓勵學(xué)生在課堂展示自己的答案。 What was the most important tool Snow used to defeat cholera? What common medical tools, e.g., a microscope, didnt he use? Why?Maps and statistics. He didnt use the common medical tools, e.g., a microscope. Because he didnt do the research in the lab but in the communities. How has John Snows work affected our daily lives?His work c