高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists一等奖教学作业课件ppt

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists一等奖教学作业课件ppt，共19页。PPT课件主要包含了Cholera ，Prediction， How， P1， P2， P3，marked，died，water pump，hadn’t等内容，欢迎下载使用。
Discuss the fllwing stages f scientific research in pairs. What rder wuld yu put them in?
_____ analyze the results_____ ask a questin_____ draw a cnclusin _____ cllect data _____ find a prblem _____ think f a methd_____ find supprting evidence
What disease is mentined in the vide?
Lk at the title and guess what the passage is ging t tell us.
Jhn Snw Defeats King Chlera
Wh is Jhn Snw？
What is King Chlera?
Jhn Snw DefeJhn Snw, (brn March 15, 1813, Yrk, Yrkshire, England—died June 16, 1858, Lndn), English physician knwn fr his seminal studies f chlera and widely viewed as the father f cntemprary epidemilgy.ats King Chlera
Jhn Snw, (brn March 15, 1813, Yrk, Yrkshire, England—died June 16, 1858, Lndn), English ryal physician knwn fr his seminal studies f chlera and widely viewed as the father f cntemprary epidemilgy.
A disease that is extremely deadly and has great pwer.
fund the cause f chlera
defeated chlera
Why the simple present tense is used in the title?
Describe what has happened: t make the readers feel like they are in the middle f the scene.
Discuss the fllwing stages f scientific research in grups.What rder wuld yu put them in?
find a prblem
ask a questin
think f a methd
cllect data
analyse the results
find supprting evidence
draw a cnclusin
Chlera used t be ne f the mst feared diseases in the wrld.
severe diarrheayan,dehydratin,and even death严重腹泻，脱水，甚至死亡
In the early 19th century,when an utbreak f chlera hit Eurpe,millins f peple died...
frustratednever lst his desire
Hw chlera spread?
Thery 1 bad air caused the disease.
Thery 2 chlera was caused by an infectin frm germs in fd r water.
It was crrect,but he still needed prf.
Snw the places where the peple wh had lived.
Many deaths ccurred near the in Brad Street.Sme peple drunk the water frm the pump,and lived.A wman and her daughter died in anther part f Lndn after .
The pump water carried .The f the pump was remved.
chlera germs
The water frm the Brad Street pump had been infected by waste.Sme cmpanies sld water frm the River Thames that was plluted by raw waste.
Water cmpanies began t sell clean water.
The threat f chlera arund the wrld saw a substantial decrease.
We knw hw t prevent chlera thanks t the wrk f Jhn Snw.
Snw transfrmed the way scientists study diseases.
What is the ending?
Match the fllwing headers with the letters frm the chart abve.Write A-E in the blanks.
Write ut the questins accrding t the answer.
A:Snw thught that chlera was caused by germs in fd r water.
A:Snw had the handle f the pump remved s that it culd nt be used.
Ask questinsOne way t apprach a reading passage is t ask questins abut it.Asking questins can help yu understand the cntent .It can als help yu think mre deeply abut the tpic.
did Jhn Snw think caused the chlera?
did Jhn Snw have the handle frm the pump remved？
A:The chlera threat was defeated thanks t the wrk f Jhn Snw.
Ask questinsOne way t apprach a reading passage is t ask questins abut it.Asking questins can help yu understand the ctent .It can als help yu think mre deeply abut the tpic.
was the chlera?
Discuss in grup
Chlera was a 19th century disease.What disease d yu think is similar t chlera tday?