人教版(新教材)高中英語(yǔ)選修2Unit 1　Science and Scientists教學(xué)設(shè)計(jì)2：Reading and Thinking

1、Unit 1 Science and ScientistsReading and Thinking一、教學(xué)內(nèi)容理解全文，認(rèn)識(shí)約翰斯諾和霍亂，了解科學(xué)研究過(guò)程。二、課時(shí)目標(biāo).圍繞疾病話題，結(jié)合生活體驗(yàn)學(xué)習(xí)對(duì)疾病提出相關(guān)問(wèn)題。.運(yùn)用討論、略讀、細(xì)讀等策略梳理約翰斯諾的科學(xué)研究過(guò)程。.通過(guò)預(yù)測(cè)、歸納、推斷等策略了解約翰斯諾的名望和貢獻(xiàn)。.通過(guò)對(duì)本文的學(xué)習(xí)熟悉和掌握與疾病斗爭(zhēng)和科學(xué)研究過(guò)程相關(guān)的語(yǔ)言。三、教學(xué)過(guò)程Activity 1: Talking about COVID-19本活動(dòng)旨在落實(shí)課時(shí)目標(biāo)1。T: As we all know, today, China is working hard t

2、o fight against the highly infectious COVID-19. This is a medical problem that is challenging the whole world. Then, what questions do you think people mostly want to ask about this disease?Students come up with questions concerning COVID-19.Students may refer to the words shown on PPT to describe C

3、OVID-19.(infectious, deadly, cure, mortality, virus, coronavirus, quarantine, statistics, germ, mask, suspected cases, confirmed cases.)K設(shè)計(jì)意圖此活動(dòng)是導(dǎo)入環(huán)節(jié)。在此環(huán)節(jié)中，圍繞疾病話題，首先激活學(xué)生背景知識(shí); 其次，介紹新冠肺炎局部詞匯；再者，引導(dǎo)學(xué)生結(jié)合生活體驗(yàn)，學(xué)習(xí)提出問(wèn)題、表達(dá)困惑， 思考應(yīng)用科學(xué)戰(zhàn)勝新冠肺炎的可能性，同時(shí)為教師引出科學(xué)研究的步驟埋下伏筆。Activity 2: Putting scientific stages in order本活

4、動(dòng)旨在落實(shí)課時(shí)目標(biāo)2。T: Hopefully, COVID-19 can be defeated by people with the help of science. Actually, your questions bring me to scientific research”. When conducting scientific research, we have to follow correct stages. Can you put the following stages in order?Students discuss in groups the correct sta

5、ges of doing a scientific research and put them in order.(1) analyse the results (2) ask a question (3) draw a conclusion (4) collect data(5) find a problem (6) find supporting evidence (7) think of a method(5)-(7)-(4)-(l)-(6)-(3)K設(shè)計(jì)意圖活動(dòng)旨在引導(dǎo)學(xué)生理清科學(xué)實(shí)驗(yàn)的正確步驟。以小組為單位，幫助學(xué)生就 不太明確的環(huán)節(jié)通過(guò)討論初步達(dá)成一致意見(jiàn)，從而為學(xué)習(xí)閱讀文本做好鋪

6、墊，并在閱讀理解 中加深對(duì)科學(xué)實(shí)驗(yàn)步驟的理解。Activity 3: Getting to know John Snow and “King Cholera”本活動(dòng)旨在落實(shí)課時(shí)目標(biāo)3。Get down to the text.T: Today, we will learn about a person who did his research following the scientific stages.Students read the title and make predictions about the following questions:QI: Who is John Snow

7、?Q2: Why is it called King Cholera instead of “cholera”？Q3: What do you think the passage is mainly about?Students read through the whole passage to check whether their predictions are right.Students read the first paragraph. After reading, use 1-2 adjectives to describe John Snow and King Cholera a

8、nd explain their reasons.(John Snow: a famous British physician / doctor; King Cholera: a severe/ deadly disease.“Famous, successful”: rise to, attend to.; Severe, deadly”: diarrhea, dehydration, death, die from .)K設(shè)計(jì)意圖11活動(dòng)旨在讓學(xué)生圍繞標(biāo)題進(jìn)行分析和預(yù)測(cè)，然后通過(guò)閱讀檢驗(yàn)自己的想法, 學(xué)生還要通過(guò)閱讀從文本中獲取和推斷約翰斯諾的相關(guān)信息和當(dāng)時(shí)的名望，了解霍亂的嚴(yán) 重性，說(shuō)明

9、緣由，熟悉生詞。教師以第一段為起點(diǎn)，引出科學(xué)實(shí)驗(yàn)的第一步：發(fā)現(xiàn)問(wèn)題。Activity 4: Figuring out what John Snow did in his research本活動(dòng)旨在落實(shí)課時(shí)目標(biāo)2。Students read the whole passage and fill in the chart indicating what John Snow did in his research into the cholera.StagesWhat John Snow did1Find a problem An outbreak of cholera hit Londou in

10、1854 and John Snow wanted to destroy cholera once and for all. (Cause and effect)2Ask a question He wondered about which tlieory was coirect (what caused tlie disease).Further questions: What are the hro theories? Uglich theory did he subscribe to?3Think of a metliod He investigated the places where

11、 the cholera outbreak was severe and made a map.4Collect data He marked on a map the exact places where all those who died had lived.5Analyse the resultsHe found that multiple deaths were near die water piunp.Some people had not dniuk the water from tlie pmnp and lived.He suspected that the water pu

12、mp was to blame.6Find supporting evidence He found a woman and her daugliter died iii another part of London after moving away fi,om Broad Street.7Draw a conclusiou He announced that the piinip water cairied cholera genus.(Further questions: QI: Whai did he do after he drew a conclusion?He had the h

13、andle of the pump removed.Through his inte ention, the disease was stopped in its track.Q2: WJiat the wuth of the water?-The tjurh was that the water from the Broad Sweet pump had been infected by waste.)K設(shè)計(jì)意圖I活動(dòng)旨在讓學(xué)生梳理出約翰斯諾如何按照科學(xué)步驟進(jìn)行研究，最后發(fā)現(xiàn) 霍亂的罪魁禍?zhǔn)祝瑸楹竺娴膶?xiě)作任務(wù)搭建好內(nèi)容和機(jī)構(gòu)框架。閱讀中，教師安排持續(xù)默讀時(shí) 間讓學(xué)生安靜地思考，如有必要，學(xué)生

14、可與同伴進(jìn)行討論從而得出正確K答案兒在校對(duì)K答 案的過(guò)程中，教師可以通過(guò)追問(wèn)來(lái)幫助學(xué)生進(jìn)一步明確科學(xué)實(shí)驗(yàn)的步驟，并對(duì)約翰斯諾 的不懈努力加深理解。Activity 5: Focusing on new words in some of the scientific stages本活動(dòng)旨在落實(shí)課時(shí)目標(biāo)4。Based on the chart, students figure out the meaning of some new words and phrases in the context.He wanted to destroy cholera once and for all.Snow

15、subscribed to the second theory.He investigated the places where the cholera outbreak was severe.He found that multiple deaths were near the water pump.Snow suspected that the water pump was to blame.He had the handle of the pump removed.Through his intervention, the disease was stopped in its track

16、.The truth was that the water from the Broad Street pump had been infected by waste.K設(shè)計(jì)意圖H在梳理約翰斯諾實(shí)驗(yàn)過(guò)程的同時(shí)，教師引導(dǎo)學(xué)生在語(yǔ)境中思考下劃線詞 語(yǔ)的意思并用英文進(jìn)行轉(zhuǎn)述，逐步熟悉和掌握與主題相關(guān)的詞匯，為后面等寫(xiě)作任務(wù)搭建語(yǔ) 言支架。Activity 6: Exploring the significance of John Snows work本活動(dòng)旨在落實(shí)課時(shí)目標(biāo)3。Students read the last paragraph and answer the following quest

17、ions:QI: What were the results of John Snows tireless efforts?Q2: Why was John Snow considered the father of modern epidemiology?K設(shè)計(jì)意圖活動(dòng)旨在讓學(xué)生進(jìn)一步理解約翰斯諾研究取得的重要貢獻(xiàn)：自來(lái)水公司 從此售賣凈水、減少了霍亂威脅、公眾了解了如何預(yù)防霍亂。同時(shí)，約翰斯諾的繪制地圖、 應(yīng)用數(shù)據(jù)的方法也成為科學(xué)研究創(chuàng)新方法，因而他被稱為現(xiàn)代流行病學(xué)之父。Assignment: Writing a summary of how John Snow defeated kin

18、g cholera本任務(wù)旨在落實(shí)課時(shí)目標(biāo)4。Students retell how John Snow defeated king cholera by writing a summary of the text in about 100 words.Students are supposed to follow the scientific stages and use the words and phrases leant inthe text.StagesSunimaiv Words & phrases for referenceFind a problem Ask a question Think of a metliod Collect data Analyse the result Find supporting EvidenceDraw a conclusionIll 1854.ail outbreak. hit., once and f