新人教版高中英语必修二Unit1 Science and scientists Period 1教案.docx
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新人教版高中英语必修二Unit1ScienceandscientistsPeriod1教案
新人教版（2019）英语选修性必修二Unit1Scienceandscientists
Period1ReadingandThinking教学设计
课题
Period1ReadingandThinking
单元
Unit1
学科
English
年级
Grade2
教材
分析
Thisunitisdesignedtoarouseyoungpeople'sinterestandcuriosityinscientificresearchbyfocusingonthetopicsofscienceandscientists.Thetextisanarrativearticlethatdescribesthedevelopmentprocessofeventsintimeorder.Thetimeclueistheevidentline,whilethestepsofscientificresearcharethehiddenone.Teachersshouldfocusonguidingstudentstoreadtexts,sortoutinformation,analyzestructures,understandthebasicstepsofscientificresearch,andrespondtotheimpactofscientificresearchonhumanbeings.
教学目标与核心素养
Knowledgeobjectives:
EnabletheSstogettoknowsomeknowledgeaboutCholera.
Skillobjectives:
Learnsomereadingskillsbyscanningandskimming.
Emotionalobjectives:
learnfrom the great scientists and develop the noble spirits .
重点
LeadstudentstounderstandhowJohnSnowDefeats“KingCholera”,helpstudentstoknowwhatcontributionsJohnSnowmade?
难点
Howtodevelopthescientificresearch.
教学过程
教学环节
教师活动
学生活动
设计意图
导入新课
Step1leading–in
1.Useppttoshowsomepicturesaboutsomescientistsandsay:
Therearesomegreatscientificachievementsthathavechangedtheworld.
Namesomefamousscientistsyouknowandtellsomethingaboutthem.
2.Askthequestions:
1）Doyouknowthem?
2）Whoishe/she?
Andwhatachievementshashe/shemade?
Askstudentstoanswerthequestionsabouteachscientists.
学生头脑风暴
，每幅图片一个学生来回答问题，其他学生可以适当补充。
通过图片引出科学家的这一话题、自然而然导入新课。
通过谈论科学家的相关成就让学生意识到伟人的品质和科学的价值，使其积极主动地参与课堂活动，为探究课文内容做好了铺垫。
讲授新课
Step2pre-reading
UseppttoshowsomepicturesinthepassageandtellSs:
Lookatthepicture,thetitleandthemap,guesswhatthecontentofthetextis.Thenskimitquicklytoseeifyouareright.
Step3Fast-reading
Step1 Fastreading
Ⅰ．Readthepassagequicklyandfillinthefollowingblankswithsuitablewords.
Paragraph1：
Findaproblem:
Whatcauseda①___________?
Paragraph2：
Askaquestion：
Which②__________isright?
Paragraph3:
Thinkofamethod：
Gathered③____________，analyzedtheresultsandremovedthe④__________ofthepump.
Paragraph4：
Drawaconclusion:
Thetruthwasthatpumphadbeen⑤____________bywaste.
Paragraph5:
Takemeasures:
Watercompaniesbegantosellcleanwaterandthethreatofthedisease⑥_____________.Johnisconsideredthe⑦__________ofepidemiology.
Ⅱ:
Keywordsofeachparagraph:
5stagesofscientificresearchesinrightorder
Step2 Carefulreading
ReadPara1carefullyandanswerthequestions.
1.Whywasthediseasecalled“KingCholera”?
2.WhatwasSnowlikeandhowdidhefeelaboutCholera?
3.WhatinspiredJohnSnowaccordingtothisparagraph?
ReadPara2carefullyandanswerthequestions.
1.HowdiddoctorsthinkCholeraspread?
2.WhatwasSnow'sopinionaboutthetheories?
3.WhatdidSnowdothen?
ReadPara3carefullyandanswerthequestions.
WhatmethoddidSnowuse?
Findingevidence.
1.Whichhouseshadmorethan4deathsandwhichhadnodeathinBroadStreet?
2.WhatdidSnowconclude?
ReadPara2and3againtocompletethechart.
A:
Itwasbelievedthatcholerawascausedby_______orgermsin__________.
B:
Snowbeganby_______________theplaceswherepeople_________.
C:
Manydeathsoccurrednearthe______________inBroadStreet.
D:
Supportingevidence
1.Somepeoplewholivednearthepumpworkedinthepuband_________drunkthewaterfromthepump,andlived.
2.Awomanandherdaughterhaddiedafter________________________,becauseshehadthewater____________________everyday.
E:
Thepumpwatercarried___________.
F：
Snowhadthehandleofthepump_________.
ReadPara4carefullyandanswerthequestions.
1.Whatcausedcholera'soutbreakintheBroadStreet?
2.Howwerepeopleinfectedwiththevirusofcholera?
ReadPara5carefullyandfillintheblanks.
Theresult:
ThroughSnow’stireless,watercompaniesbegantosell,andthethreatofcholeraaroundtheworldsawasubstantial.,choleraisstillaproblem.Eachyear,ofpeoplearoundtheworldgetcholeraandmanyit.
Snow'scontribution:
Fortunately,wenowknowhowtocholera,theworkofJohnSnow.,inhisuseofmapsandstatistics,Snowthewayscientistsstudydiseases.
Snow'sachievement:
Snowisconsidered.
Step4Post-reading
1.Consolidation:
fillintheblanksbasedonthetext.
JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainordertohelppeople_____it.In1854whenacholera____London,hebegantogatherinformation.He_____onamap______allthedeadpeoplehadlivedandhefoundthatmanypeoplewhohad_______（drink）thedirtywaterfromthe_____died.Sohedecidedthatthepollutedwater_______cholera.Hesuggestedthatthe_____ofallwatersuppliesshouldbe____andnewmethodsofdealingwith_____waterbefound.Finally,“KingCholera”was_______.
2.Retellthepassageaccordingtoabove.
插入：
1.gatherinformation习惯搭配，意为“搜集信息”gathervt.收集；使…聚集
2.watersupplies习惯搭配，意为“水源供应”
supplyn.供给，补给；供应品
Step5Discussion
1.ShowStsomeotherpicturestohaveabriefintroduction.
2.AskSsthequestion:
Whatqualitiesandscientificspiritsdotheyhaveincommon?
Step6Languagepoints
Importantwords
1.subscribe考查热度★★
【热点品味】subscribevt.认购（股份）;定期交纳（会费）;同意;捐助
【教材原句】Snowsubscribedtothesecondtheory.斯诺赞同第二种理论。
【实例品读】Shesubscribestoanenvironmentalactiongroup.她定期给一个环境行动小组交会费。
Themagazineistryingtogetmorereaderstosubscribe.该杂志正大力发展更多新订户。
【热点归纳】
subscribetotheview/theory同意观点/理论
subscribefor预定;认购
subscribeto订阅
【考点精练】语法填空
Howmanysharesdidyousubscribethenewcompany?
【考点精练】写出下列句中subscribe的含义
1.Iplannedtosubscribetomanymagazines.______
2.Ihaveneversubscribedtotheviewthatschooldaysarethehappiestdaysofyourlife.______
3.Howmuchdidyousubscribetothedisasterfund?
______
4.Existingshareholderssubscribedtoonly49％ofthenewshareissue.______
2.suspect考查热度★★★
【热点品味】suspectvt.&vi.怀疑;疑有;不信任n.犯罪嫌疑人
【教材原句】Snowsuspectedthatthewaterpumpwastoblame.斯诺怀疑水泵是元凶。
【实例品读】Pilcherwassuspectedofgivingawaythecompany’ssecretstoothers.皮尔彻涉嫌将公司的秘密泄露给他人。
Policehaveissuedaphotographofthesuspect.
警方已经发布了犯罪嫌疑人的照片。
【热点归纳】
suspectsb/sthof...怀疑某人/某事……
suspectsbofdoing...怀疑某人做……
【考点精练】单句语法填空
1.Wehadnoreason______（suspect）thatsuchacutechildmighttrytodoharmtous.
2.Thepolicemansuspectedhim______killingthegirlandhewasarrested.
3.blame考查热度★★★★
【热点品味】blamevt.把……归咎于;责怪n.责备;指责
【教材原句】Snowsuspectedthatthewaterpumpwastoblame.斯诺怀疑水泵是元凶。
【实例品读】Lotsofpeoplefindithardtogetupinthemorning,andputtheblameonthealarmclock.
许多人发现早上起床很难,并把责任归咎于闹钟。
Don’talwaysblameyourownfailureonothers.Sometimesyouyourselfaretoblame.
不要总把自己的失败归咎于他人。
有时该怪的是你自己。
【热点归纳】
blamesb/sthforsth因……而责备某人/某物
blamesthonsb把某事怪到某人头上
（2）get/taketheblamefor...为……承担责任
lay/puttheblameonsb/sth把某事归咎于某人/某物
（3）betoblame（for）应受指责
注意：
Sb.betoblameforsth意为“某人应为某事负责”,其中不定式用主动形式表示被动含义。
【考点精练】单句语法填空
1.Mr.Greenstoodupindefenceofthe16-year-oldboy,sayingthathewasnottheone______（blame）.
2.Manychildrenareafraidof______（blame）formakingmistakesinspokenEnglish.
3.Policeareblamingtheaccident______dangerousdriving.
4.handle考查热度★★★★
【热点品味】handlen.把手;拉手;柄
vt.处理;搬动;操纵（车辆、动物、工具等）
【教材原句】Accordingly,hehadthehandleofthepumpremovedsothatitcouldnotbeused.
因此,他把水泵的把手取下来了,以便无法用水。
【实例品读】
Themangavemeaknifewithawoodenhandle.
那人给了我一把有木柄的刀。
Thereareseveralwaystohandlethings.
有几种方法可以处理事情。
【考点精练】单句语法填空
1.TeainChinawastraditionallydrunkfromcupswithout______（handle）.
2.Drivingacarisnotjust______（handle）perfectlywellandhasgreatspeedacceleration.
3.Mostcustomersweresatisfiedwiththewaytheircomplaints______（handle）.
5.decrease考查热度★★★
【热点品味】decreasen.减少;降低;减少量
vt.&vi.（使大小、数量等）减少;减小;降低
【教材原句】ThroughSnow’stirelessefforts,watercompaniesbegantosellcleanwater,andthethreatofcholeraaroundtheworldsawasubstantialdecrease.
通过斯诺的不懈努力,自来水公司开始销售清洁用水,世界各地霍乱的威胁大幅减少。
【实例品读】
Therehasbeenasteadydecreaseoftemperature.温度在稳步下降。
【实例品读】
Duetothestricttrafficregulationsondrunkdriving,thenumberofaccidentsfromithasgreatlydecreased.
由于对酒后驾驶的严格的交通法规,酒后驾驶导致的事故的数量大大减少了。
【热点归纳】
decreaseto减少到
decreaseby减少了
onthedecrease在减少
【考点精练】单句语法填空
1.Averagehousepricesdecreased______13%lastyear.
2.Thenumberofstudentsgoingabroadforfurtherstudyis______thedecreasenowadays.
3.By1881,thepopulationoftheisland______（decrease）from5,000to3,500.
6.transform考查热度★★★
【热点品味】transformvt.使改观;使改变形态 vi.改变;转变
【教材原句】Snowtransformedthewayscientistsstudydiseases.
斯诺改变了科学家研究疾病的方式。
【实例品读】Itwasaneventthatwouldtransformmylife.
那是能够改变我生活的一件事。
Itisasurprisethatthecityhasbeentransformedfromasmalltownintoamodernindustrialcenterinrecenttenyears.
真令人惊奇,在近十年中这个城市由一个小乡镇转变成了一个现代化的工业中心。
【热点归纳】
transform...into...使……变成……
transform...from...into...把……从……变成……
【考点精练】单句语法填空
1.Shewastransformedfromacommon-lookingadolescent______aprettyyoungwoman.
2.Inthepast20yearsthecountry______（transform）intoanadvancedindustrialpower.
Importantphrases:
1.thanksto考查热度★★★★★
【热点品味】thanksto幸亏;由于
【教材原句】Fortunately,wenowknowhowtopreventcholera,thankstotheworkofJohnSnow.
幸运的是,由于约翰·斯诺的工作,我们现在知道了如何预防霍乱。
【实例品读】Thankstoyourhardwork,wecanfinishthetaskaheadofschedule.
多亏了你的努力工作,我们能提前完成任务。
Thankstomodernscienceandtechnology,peopleleadamoreandmorecomfortablean
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