book 5 unit 1 great scientists预习学案

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1、Book5Unit1GreatScientists预习学案m第T二U教a育e资u源网1　　Book5Unit1GreatScientists预习学案　　一．目标聚焦　　1、了解著名医生约翰•斯诺、钱学森、哥白尼等科学家。　　2、学会使用表示描述人物的句型　　3.学习过去分词作定语和表语的结构　　二．走进课文　　1.Readthepassageandnumbertheseeventsintheorderthattheyhappened.　　---JohnSnowbegantotesttwotheories.　　---Anoutbreakofcholera

2、hitLondonin1854.　　---JohnSnowmarkedthedeathsonamap.　　---Heannouncedthatthewatercarriedthedisease.　　---JohnSnowinvestigatedtwostreetswheretheoutbreakwasverysevere.　　---KingCholerawasdefeated.　　---Hefoundthatmostofthedeathswerenearawaterpump.　　---Hehadthehandleremovedfromthewaterpu

3、mp.　　2.Readthepassageandanswerthesequestions.　　JohnSnowbelievedIdea2wasright.Howdidhefinallyproveit?　　____________________________________________________________________________　　DoyouthinkJohnSnowwouldhavesolvedthisproblemwithoutmap?giveareason.　　_______________________________

4、_____________________________________________　　Cholerawasa19thcenturydisease.whatdiseasedoyouthinkissimilartocholeratoday?why?　　____________________________________________________________________________　　三．句式点击　　1.WiththisextraevidenceJohnSnowwasabletoannouncewithcertaintythatp

5、ollutedwatercarriedthevirus.　　withthisextraevidence有了这个额外的证据；withcertainty肯定地，有把握地　　在句中作状语，相当于副词.　　that引导宾语从句　　polluted过去分词作定语　　2.Somanythousandsofterrifiedpeoplediedeverytimetherewasanoutbreak.　　terrified过去分词作定语　　everytime短语充当连词作用，还有themoment/minute/second;thefirst/second…lastti

6、me;immediately/instantly/directly　　eg:ThefirsttimeIwentabroadIcouldhardlyunderstandwhattheforeignerssaid.　　ThemomentIsawhim,Iknewwhathadhappened.　　3.Itseemedthatthewaterwastoblame.　　be﹢动词不定式，可以表示该做或不该做的事　　betoblame应该负责；应受责备　　eg:Nooneistoleavethisbuildingwithoutthepermissionofthep

7、olice.　　Youarenottodroplitterinthispark.公园里不许乱丢垃圾。　　Whoistoblameforthefire?　　Whoistoberesponsibleforthis?　　4.Onlyifyouputthesuntheredidthemovementsoftheotherplanetsintheskymakesense.　　only﹢加状语放于句首时，主句用部分倒装。　　eg:OnlyaweeklaterdidIreceiveananswerfromher.　　Onlywhenyouarefortyandlook

8、ingbackwillyourealizethatyouhaven’tdoney