great scientists学案4

great scientists学案4

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时间:2019-03-01

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1、【学习目标】Learnsomenewwordsandexpressions.【重点难点】Masterimportantsentencestructure【学习内容】Readingthewholepassage◆课前预习Step1.Newwordsreview1.expert____________2.attend____________3.physician___________4.expose____________5.cure____________6.challenge_____________7.vict

2、im___________8.absorb____________9.suspect____________10.blame____________11.pollute_____________12.announce__________◆课堂学习Step2.FastreadingReadthetextquicklyandtrytoanswerthequestions1.Whathappenedin1854?_____________________________________________2.Howmany

3、peoplediedin10days?__________________________________________________________________________________________3.WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?_____________________________________________Step3.RetellthepassageReadthe

4、passageagainandfillintheblanks:JohnSnowwasawell-known____inLondoninthe___century.Hewantedtofindthe______ofcholerainorderto______it.In1854whenacholera____out,hebegantogatherinformation.He_____onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddru

5、nkthedirtywaterfromthe______died.Sohedecidedthatthepollutedwatercarriedcholera.Hesuggestedthatthe_____ofallwatersupplybe_______.Finally,“KingCholera”wasdefeated.重点句子1.Somanythousandsofterrifiedpeoplediedeverytimetherewasanoutbreak.每次瘟疫爆发,数以千计的人们在恐惧中死去.[解释]eve

6、rytime可作连词使用,引导时间状语从句,意为“每次,每当”immediately,themoment,directly,instantly等都可以作连词引导时间状语从句,意为“一……就……”[典例]1)EverytimeImeethim,Ialwaysthinkofthethingshappenedbetweenus.每次见到他,我就想起发生在我们之间的事情。2)Immediatelyhesawthemessage,heknewhemisunderstoodhisbestfriend.一见到纸条,他就知道他误

7、会了他最好的朋友。[练习]汉译英1)每次我去找他,他都在专心看书.__________________________________________________________________________________________2)我一见到她就把这本书给了她。__________________________________________________________________________________________3)我一见到他就把这封信给他。_______________

8、___________________________________________________________________________4)我一接到你的信就来了。__________________________________________________________________________________________2.Hebecam

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