人教版(新教材)高中英語選修3Unit 3　Environmental Protection教學(xué)設(shè)計2：Reading and Thinking

1、Unit 3 Environmental ProtectionReading and Thinking第2課時一、教學(xué)內(nèi)容完成全文學(xué)習(xí)，加深對溫室效應(yīng)現(xiàn)象、全球變暖的成因與后果的理解，鍛煉分析問題、 解決問題的能力，通過遷移創(chuàng)新，完成給作者寫信，討論減少碳排放措施的任務(wù)。二、課時目標(biāo).展示優(yōu)秀課后作業(yè)，復(fù)述上節(jié)課的重點內(nèi)容，加強(qiáng)對簡圖的應(yīng)用，加深對溫室效應(yīng) 現(xiàn)象、導(dǎo)致全球變暖關(guān)鍵因素的理解。.細(xì)讀第四、五段，概括、梳理、整合全球變暖的后果、作者給出的應(yīng)對措施等信息、。.結(jié)合所學(xué)，通過小組討論、同伴提供、個人思考，用給作者回信的方式提供日常生 活中切實可行的減少溫室氣體、減少碳排放和碳足跡的措施

2、，提高思維品質(zhì)和語言能力。三、教學(xué)過程Activity 1： Reviewing the homework tasksStudents work in groups to pick out the best diagram and the most frequently mentioned reasons. Then exchange and share ideas.Group presentation: A diagram describing how the greenhouse effect works.Each group picks out the best diagram of i

3、ts group. One member sticks it on the blackboard and gives a short explanation of how the greenhouse effect works.Group presentation: Why do people bum fossil fuels?Each group picks out 3 most frequently mentioned reasons.Divide the reasons into different categories.K設(shè)計意圖此活動是熱身環(huán)節(jié)，作為第一課時作業(yè)的展示，學(xué)生需要整合運

4、用簡圖、 語言、內(nèi)容與結(jié)構(gòu)進(jìn)行簡單復(fù)述。作業(yè)1用展示各組最正確簡圖的方式，綜合訓(xùn)練學(xué)生通過聽 說讀看“畫”多輪活動，復(fù)現(xiàn)目標(biāo)詞匯，熟悉使用英文表達(dá)溫室效應(yīng)的原理，強(qiáng)化對全球變暖 原因的深度理解。作業(yè)2用寫詞條的方式，綜合呈現(xiàn)各組對產(chǎn)生大量溫室氣體的使用化石燃 料原因的與整理，是對課文內(nèi)容的有效補充，并為后續(xù)活動3這一環(huán)節(jié)找出針對性的解 決措施做好鋪墊。Activity 2： Reading for the detailed information in paragraphs 4-5這一活動中，作者的觀點即全文論點即末段第二句（主題句）應(yīng)當(dāng)突出處理。Students read the passa

5、ge and fill in the forms.1. What examples of extreme weather and natural disasters do you know and what are their effects?Extreme Weather and Natural DisastersExamplesEffectsExtreme raiiistonnsExtieme heatwavesFloodsDrouglits Eaitliqiiakes DeathsEconomic losses2. What measures should be taken to dea

6、l with global warming?MeasuresGovernmentsto reduce greenhouse gas emissionsIndividuals9 to reduce “carbon footprint”Making policiesTaking appropiiate actions and measuresChange inappropriate lifestylesSeize eveiy opportunity to educate everyoneWhat adjectives and adverbs has the author used to sugge

7、st his attitude towards global warming and what is his attitude?Para. 1dramaticPara. 2alanningPara. 3huge, extra, more, quicklyPara. 4extreme, sei iousPara. 5continued, farther, long-lasting, sei iousThe author must think that global warming is the most serious issue and requires urgent attention.K設(shè)

8、計意圖通過問題鏈，幫助學(xué)生重構(gòu)文本信息，提升分析梳理信息的能力；通過查 找形容詞、副詞深層理解作者的情感態(tài)度和觀點這條暗線，鍛煉推斷作者的意圖和態(tài)度的能 力。Activity 3： Thinking and writingMini-writing: Write a letter to the author about what you will do to help.Group leader picks one topic from the previous presentation of homework 2Use 1+2+3 method (1 sentence pattern, 2 ph

9、rases, 3 n./v./adj. learnt from this reading text) 60-80 words, 10 minutes to prepareEmphasize the saying of this unit.Need vs. greed; share vs. protect.K設(shè)計意圖利用本節(jié)課活動1作業(yè)復(fù)習(xí)環(huán)節(jié)中各組總結(jié)出的使用化石燃料的原因，每 組抽取一個原因，引導(dǎo)學(xué)生通過自主合作探究的學(xué)習(xí)方式，在新的語境當(dāng)中，應(yīng)用所學(xué)語言, 給作者寫一封信，告知他你為減少溫室氣體、減少碳足跡將采取的措施，從而一方面和這節(jié) 課的第一個活動首尾呼應(yīng)，另一方面也和課文的最后一句提

10、問相呼應(yīng)，并形成學(xué)生與文本、 與作者的關(guān)聯(lián)與互動。最后，用單元格言強(qiáng)調(diào)人類要和自然和諧共生，幫助學(xué)生認(rèn)識到在生 命之圈中人與萬物平等，而且相互影響；人類生存需要獲取所需，但絕不應(yīng)貪婪。把所學(xué)所 悟遷移到對自己行為的影響，從而鼓勵學(xué)生努力成為一名索求有度、關(guān)愛生命、有社會責(zé)任 感的人。AssignmentPolish your letter to the author.K設(shè)計意圖不結(jié)合所學(xué)，遷移創(chuàng)新，鍛煉分析問題、解決問題的能力。在真實情境中鍛 煉主題語言的精確輸出，綜合應(yīng)用所學(xué)語言，有效陳述個人觀點和情感，傳遞信息，并培養(yǎng) 學(xué)生的思維。Dear author,There is strong e

11、vidence that burning fossil fuels produces extra greenhouse gases and worsens global warming. We should take immediate actions to reduce greenhouse gas emissions.First, I will restrict my use of energy by turning off lights when leaving the room. Second, I will tell my parents to buy a solar water-heater to replace the gas water-heater. Third, I will wear more clothes to keep warm in