人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists课文配套课件ppt

这是一份人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists课文配套课件ppt，共35页。PPT课件主要包含了Flu，Symptoms， Para 4-5 ，Discussion，Homework， Summary，词 汇 清 单 ，重点句式，核心短语，Exercise等内容，欢迎下载使用。
crnavirusbe infected withcnfirmed/suspected casesvaccine（疫苗）
What ther kinds f epidemics（流行病） d yu knw?
Bird-flu malaria plague（鼠疫） Ebla Smallpx（天花）
Jhn Snw Defeated “King Chlera”
Fast reading
1. Read the whle text quickly and match the main ideas
Jhn Snw desired t destry chlera.
Jhn Snw decided t prve the secnd thery.
Snw began his study by marking n the map
Truth f the infectin f chlera
Snw's cntributins
Careful reading
It's ne f ________________________ in the wrld, because it causes _______________________________.
_______________________(when), an utbreak f chlera hit _______ mil ins f peple ______________________.
He rse t becme _________________ , and even _______________ Queen Victria when she gave birth..
Snw became ________ because n ne knew _________________.
Hwever, he had a desire t __________________ nce and fr all.
the mst feared diseases
severe diarrhea and dehydratin
In the early 19th century
died frm the disease
“King Chlera”
frustrated
hw t prevent r treat chlera
a famus dctr
attended t
destry chlera
Thugh being famus, he was still devted t defeating “King Chlera”
2. Tw Theries
While Reading
Thery ne: air
Thery tw: germs
Mre prf is needed
Thery is based n practice.
Symptms（症状）
cughsneezerunny nselung
Diarrheadehydratin
A map f Brad Street-”Chlera Map”
3.What methd did Snw use?
1) Which huses had mre than 4 deaths in Brad Street?2) Which huses had n death in Brad Street?
Multiple deaths happened here.
N death happened here.
He suspected that the water frm the pump was t blame.
3. Read Para 2 and 3 carefully, cmplete the chart
It was believed that chlera was caused by _______ r germs in __________.
The pump water carried ___________.
Many deaths ccurred near the ______________ in Brad Street.
Sme peple wh lived near the pump wrked in the pub and _________ drunk the water frm the pump ,and lived.
A wman and her daughter died after ____________________________, because she had the water____________________ every day.
Snw began by ___________________ the places where peple _________.
Snw had the handle f the pump _________.
marking n the map
died had lived
mving away frm Brad Street
delivered t her huse
chlera germs
Supprting evidence
analyse the result
4. Put the fllwing scientific stages in right rder.
ask a questin
draw a cnclusin
cllect data
find supprting evidence
think f a methd
find a prblem
Rigrus attitude t scienceCritical thinkingCreativity
The Father f Mdern Epidemilgy
Water cmpanies sld water frm the River Thames that was plluted by raw waste, causing peple wh drank this water t get malaria.
1) Water cmpanies began t sell clean water.2) The threat f chlera arund the wrld decreased.3) He helped peple knw hw t prevnt chlera.4) Snw transfrmed the way scientists study diseases.
2. What cntributins did Jhn Snw make?
1. What caused the utbreak f chlera in Lndn in 1854?
Was chlera defeated cmpletely?
Yes? N?
Hw t prevent the chlera?
After Reading
Fill in the blanks accrding t the text.
In the early 19th century, an utbreak f chlera hit Eurpe, _______ (cause) millins f deaths. Seeing this, Jhn Snw became frustrated because n ne knew hw ________ (prevent) r treat chlera. At that time, dctrs had tw theries t explain hw chlera spread. One was that bad air caused the disease and anther was that chlera was caused by germs in fd r water. Jhn discvered that in tw particular streets _____ chlera utbreak was ____ severe that ver 500 peple died in ten days. Thrugh his serius ____________ (investigate), he fund it was the pump water in Brad Street _______ resulted in the disease. Therefre, he had the handle f the pump ________ (remve) .It turned ut that the water frm the pump _____________ (infect) by waste. Thrugh Snw's tireless effrts, water cmpanies began t sell clean water ,and the threat f chlera arund the wrld saw _____ substantial decrease.Snw transfrmed the way __________ scientists study diseases. Fr this reasn, he is cnsidered the father f mdern epidemilgy.
investigatin
had been infected
that/in which
Discver artemisnin t treat malaria,awarded the Nbel Prize
Father f hybrid ricekeep peple away frm hunger
Despite the danger f infectin, devte t the research f COVID-19
What qualities and scientific spirits d they have in cmmn?
strng sense f scial respnsibility
knwledgeable
curage t face difficulties
critical thinking
questining mind
care fr life
1. Write an article t intrduce yur favurite scientist.2. Finish the exe. n Page 4.
Language pints
1. suspect vt. 认为；怀疑　n. 嫌疑犯(教材原句) Snw suspected that the water pump was t blame. 斯诺怀疑水泵是罪魁祸首。【知识归纳】suspect sb f ding 怀疑某人做某事be suspicius f/abut 对某事怀疑suspect sb/sth t be+n/adj. 怀疑、猜想某人/某物为
(1)The bss suspectes him_______ taking the cmputer away frm the cmpany.(2) Judging frm his expressin, I suspected him______(be)a thief(3)Sme f his clleagues at wrk became___________ (suspect) f his behaviur.
【即学即练】单句语法填空
2.subscribe vi. 认购（股份）；定期订购；定期交纳（会费）(教材原句 )Snw subscribed t the secnd thery.斯诺赞同第二种理论。
(1)subscribe t 同意；赞同；订阅；捐款subscribe... 在······上签署······；向······捐······(2)subscriber n.（杂志等）订购者，订阅者；用户；捐助者
(1)She __________ (subscribe )t an envirnmental actin grup.(2)The whle natin ________(subscribe) a lt f mney t the flded areas. (3)Write a letter t us at nce and the free album will be ffered t every new __________(subscribe ).
subscribed
3. blame vt. 责备； 谴责　n. 过失；责备Thse wh fail incline t blame the wrld fr their failure. 那些失败者往往会将其失败归咎于社会。
【知识归纳】blame sb fr sth / blame sth n sb 因某事责备某人be t blame(fr) 应承担责任（主动形式表被动意义）bear/ take the blame 对负责
【即学即练】单句语法填空(1) They blamed him_____the accident which happened n the ther day.(2)Yu shuld take the blame_____what yu have dne.(3)Dn't always blame yur wn failure _____thers.(4)T be hnest, lt was Su's fault, but Li was als_________(blame).
4.as a result f 因为；由于；作为······的结果 （教材原句）As a result f this evidence，Jhn Snw was able t annunce that the pump water carried chlera germs. 根据这些证据，约翰·斯 诺能够宣布水泵里的水携带了霍乱病菌。
【知识归纳】as a result 结果withut result 没有结果，白费result in 导致，造成result frm 由造成，因而产生
【即学即练】(1)As _____result,they agreed t my advice, and everything went well as planned. (2)It's generally believed that his cancer resulted________ the verfull tiredness. (3)Yu might learn that haste makes waste if yu d smething s fast, resulting ________ mistakes.
5. link vi.联系；纽带；链接 vt.把······连接／联系起来；相关联 (教材原句)Mrever, Snw was later able t shw a link between ther cases f chlera and the different water cmpanies in Lndn.此外，斯诺后来还发现了其他霍乱病例与伦敦不同供水公司之间的联系。
【知识归纳】 a link between A and B A和B之间有联系／with／and... 把······和······连接／联系起来
(1)There's _____direct link between unhealthy diet and heart disease. (2)The plice suspect that the tw cases may ___________ (link). (3)It is reprted that expsure t the sun fr a lng time is linked______ skin cancer. (4) They walked with their arms______ (link).
Yu can click here t add what yu want t add. It is easy t change.
应用词汇：1.suspect：suspect sb f ding, be suspicius f/abut,suspect sb/sth t be+n/adj2.subscribe：subscribe t,subscribe... , subscriber 3. blame : blame sb fr sth / blame sth n sb, be t blame(fr) ,bear/ take the blame 4. link : a link between A and B ／with／and...
认知词汇:chlera,diarrhea,dehydratin,infectin,germ,raw,epidemilgy,prtein,mechanical
拓展词汇：1.subscribe→ subscriber→ subscriptin2.suspect→suspicius3.transfrm→transfrmer→transfrmatin4.assistant→assist5.defend→defense6.vivid→vividly
1.It seemed that the wman liked the water frm the pump s much that she had it delivered t her huse every day.(that表语从句，have it delivered让别人做某事)2. The peple wh drank this water were much mre likely t get chlera than thse wh drank pure r biled water.(wh 引导定语从句）
used t d die frmin timeattend t nce and fr allin generalthanks t break uttake nbe familiar withcme dwnabve allin charge f
单句语法填空1. I subscribed________a number f jurnals cncerned with my subject this time.2. We are living in a time f scial_____________(transfrm).3. His father died________a car accident last year.
transfrmatin
are suspected
1．As far as I knw, he is likely t drp ut f schl t_________ his sick mther.2．I have never__________ the view that schldays are the happiest days f yur life. 3 We arrived hme at 12:00,just ___________ fr lunch. 4. Let's settle this matter_________. 5. _______________his strng cnstitutin（体格 ), Jack was able t pull thrugh his recent serius illness.
nce and fr all; subscribe t; thanks t; attend t; in time;in general; rather than; care abut; get dwn t
subscribed t
nce and fr all
6. If yu fail at the first attempt,there is n need t ___________that. 7. After the Spring Festival,I'm ging t__________ sme serius jb -hunting.8. Jane is a quiet girl, wh prefers t stay in the library ___________g t see a mvie. 9. ___________, the nrtherners are keen n dumplings while the sutherners are fnd f rice.
rather than