外研版 (2019)选择性必修 第三册Unit 6 Nature in words课堂教学课件ppt

这是一份外研版 (2019)选择性必修 第三册Unit 6 Nature in words课堂教学课件ppt，共33页。PPT课件主要包含了Para5，Para6 等内容，欢迎下载使用。
Unit 6 Nature in wrds Develping ideas
Activity 1 Lk at the infgraphic belw and answer the questins. P68
Facts abut DDT:• DDT was first prduced in 1874 and was later used as pesticide.• It stays in the envirnment.• It is highly pisnus t living rganism, including humans.• Nw banned in many cuntries, it is still used in sme fr malaria(疟疾) cntrl.
Ntes：1. pesticide n. a chemical used t kill pests2. pisnus  pisn If sth. is pisnus, it will kill yu r make yu ill if yu eat it.3. ban v. t say that sth. must nt be dne4. cntaminatin ≈ pllutin cntaminate ≈ pllute5. cnsume v. t eat r drink sth. 6. filter v. leak
Activity 1 Lk at the infgraphic belw and answer the questins.
1 Hw des DDT reach the human bdy in the fd chain?
When DDT is sprayed nt plants in rder t kill insects, it is absrbed by the plants and later cnsumed by animals; humans in turn eat thse animals. DDT als leaks thrugh the sil and int rivers and lakes, where it cntaminates fish cnsumed by humans.
2 What harm des DDT cause?
DDT is highly pisnus t living rganism, including humans.
A bk review: an article in a newspaper r magazine giving pinin abut a new bk
A bk review
authr, theme, main ideayear f publicatin
the reasn fr its publicatin
basic infrmatin f the bk
features f the writing
cmments n this bk
influence f this bk
Activity 2 Read the bk review n Silent Spring, a bk that led t the banning f DDT. Predict what will be mentined in the passage. P68
It is a bk review n Silent Spring, s the abve parts we talked abut may be mentined in this passage.
1.What caused silent spring accrding t the passage?A. The birds didn’t wake up s early.B. The peple killed the birds randmly.C. The animals all died ut because f human activity.D. The birds died because f the harmful use f pesticides.
While-readingRead and chse the crrect answers t the fllwing questins.
2.Which wrk was regarded as a milestne in the launch f the green mvement in the Western wrld?A . The Edge f the Sea.B . Under the Sea Wind.C . Silent Spring.D . First Snw.
3.Why was Silent Spring s successful?A . Because it caused a great increase in envirnmental awareness.B . Because the writer is very famus.C . Because it reflects the realism.D . Because the bird described is very ’s the tpic f Silent Spring?A . Lve , hpe , human.B . Nature , lve , life.C . Envirnment, life , human.D . Envirnment, lve , human.
5.The reasn why the authr enjys Carsn’s bk is that .A. the quality f her arguments is strngB. her bk has changed the wrldC. her writing is beautiful and elegantD. she describes a beautiful silent spring
Learning sentences t better understand the text!
Para.3 The 50 r s pages at the end f the bk list Carsn’s surces, shwing hw thrugh and precise she was as a scientist.
Para.4Silent Spring was therefre regarded as a milestne in the launch f the green mvement in the Western wrld. It als earned Carsn a psthumus Presidential Medal f Freedm and put her face n the 17-cent US stamp.
Carsn’s surces are listed n the final 50 r s pages f the bk, which shwed hw thrugh and precise she was as a scientist.
Hnesty is regarded as the traditinal virtue f ur Chinese natin.
The bk Silent Spring was as a result cnsidered as a significant mark in the early days f the green mvement in the Western wrld.
Psthumus is used t describe smething that happens after a persn’s death but relates t smething they did befre they died.死后的；身后的
5 Thugh Carsn`s research was strng and was supprted by mst scientists wh reviewed her wrk, the bk quickly became a target fr critics in the pesticide industry.
These were attempts t damage Carsn`s reputatin and stp her wrk frm influencing public plicy, but she remained determined t stand by her research. Carsn appeared in public and n televisin t defend her claims-and tday, mre than 50 years after it was published, the vices f Silent Spring is still ringing lud and clear.
A persn, idea r statement at risk f criticism
His war recrd became a target fr his enemies.
t cntinue t have a particular belief f pinin, even thugh ther peple have dubts abut it r disagree with yu
The dctrs are standing by their claim that they are nt at fault.
The message came thrugh lud and clear.那消息传达得清清楚楚。
She made a crucial but ptentially difficult-t-understand subject interesting and accessible t millins f peple. This is nt s much because f the quality f her arguments, strng thugh they are, but because f the beauty and elegance f her writing. Her bk nt nly changed the wrld; half a century later it remains a bk that deserves t be reread tday, s that we can nce again feel urselves warm t the fire f its passinate message. Fr unless we d listen t Rachel Carsn's warning, ne day we may wake up t the strange and quiet hrrr f anther silent spring.
Althugh her arguments are slid, Carsn’s bk is interesting and accessible because her writing is beautiful and elegant.
deserve t be dnedeserve ding
Fill the blanks with the crrect frms f the wrds in the bx.elegant，alert，stand by，dzens f，，wh， launch，design，imagine，aware f
Rachel Carsn wrte her bk Silent Spring in 1962.She aimed 15._______ peple t the damaging effects f human activity n natural ecsystems by 16.___________ a wrld withut birds. Carsn urged peple t make themselves 17. the harm that was caused t plants，animals and even humans by the chemical industry. She ffered 18. _ examples that did nthing t reduce the prblems riginally 19. t slve.
Her message had such an immediate and far-reaching effect that DDT 20.________________ being used and EPA was established. The bk was regarded as a milestne 21.___________ the green mvement in the Western wrld. Hwever, her bk quickly was targeted and criticized by sme critics in the pesticide industry 22.______ attempted t damage Carsn’s reputatin. But Carsn was determined 23. __ her research and defend her claims.Persnally，peple lve the bk nt because f her strng arguments but because f the beauty and 24. f her writing. And even tday her bk still deserves t be reread.
elegant，alert，stand by，dzens f，，wh， launch，design，imagine，aware f
was banned frm
1 There was a strange stillness. The birds, fr example-where had they gne? Many peple spke f them, puzzled and disturbed. The feeding statins in the backyards were deserted. The few birds seen anywhere were mribund; they trembled vilently and culd nt fly. It was a spring withut vices. On the mrning that had nce thrbbed with the dawn chrus f rbins, catbirds, dves, jays, wrens, and scres f ther bird vices there was nw n sund; nly silence lay ver the fields and wds and marsh.
Silent Spring
Hw des the authr rganize the bk review?
basic infrmatin f Silent Spring
year f publicatin
3 Carsn urged peple t make themselves aware f the facts and d smething abut the situatin.
Silent Spring cntains a lt f scientific research and case studies. The bk gives als dzens f ther examples f eradicatin prgrammes that did nthing t reduce the prblems they were riginally designed t slve.
The bk details the gypsy mth eradicatin prgramme, which killed birds, in additin t gypsy mths.
Anther case study was the fire-ant prgramme that killed cws , but nt fire ants.
Cntent f Silent Spring
4 Carsn`s message was very alarming, causing a great increase in envirnmental awareness.
Its impact was immediate and far-reaching : the use f DDT was banned and the Envirnmental Prtectin Agency was established in the US.
Influence f Silent Spring
Silent Spring was therefre regarded as a milestne in the launch f the green mvement in the Western wrld. It als earned Carsn a psthumus Presidential Medal f Freedm and put her face n the 17-cent US stamp.
They said that Carsn did nt understand the science behind her arguments because she was a marine bilgist rather than a chemist.
Sme als said that her wrk was mre emtinal than scientific.
Cmments n Silent Spring
ppsing vices
determinatin
6 Persnally, I enjy Carsn’s bk. She made a crucial but ptentially difficult t understand subject interesting and accessible t millins f peple. This is nt s much because f the quality f her arguments, strng thugh they are, but because f the beauty and elegance f her writing. Her bk nt nly changed the wrld; half a century later it remains a bk that deserves t be reread tday, s that we can nce again feel urselves warm t the fire f its passinate message.
Fr unless we d listen t Rachel Carsn`s warning, ne day we may wake up t the strange and quiet hrrr f anther silent spring.
Activity 3 Organize infrmatin frm the passage and cmplete the ntes abut Silent Spring.
the damaging effects f human activity
mre respnsible, limited and carefully mnitred
scientific infrmatin, examples and research
beautiful and elegant
The pesticide industry
defend her claims
The use f DDT
Presidential Medal f Freedm
envirnmental awareness
Write yur wn bk review!
A bk review n Silent Spring
cntent f the bk
1 Why was Silent Spring s successful?2 What is the mral lessn behind “A Fable fr Tmrrw”? 3 Why did sme peple challenge Carsn’s findings? 4 In what different ways d First Snw and Silent Spring raise peple’s awareness f nature?
Pst-readingThink & Share P70
1 Why was Silent Spring s successful?
Silent Spring was s successful because it alerted the general public t the dangers f DDT. It planted imprtant new ideas in the public mind, such as that spraying chemicals t cntrl insect ppulatins has an impact n ther wildlife, and that the chemicals gt int the fd chain.
After-readingThink & Share P70
2 What is the mral lessn behind “A Fable fr Tmrrw”?
The mral lessn is that financial prfit shuld nt cme at the expense f the envirnment and the creatures living in it.
After-readingthink & Share P70
3 Why did sme peple challenge Carsn’s findings?
Sme peple challenged Carsn’s findings because they were cncerned abut the negative impact they wuld have n business in the pesticide industry.
4 In what different ways d First Snw and Silent Spring raise peple’s awareness f nature?
First Snw shws the beauty f nature—and in particular the snw—thrugh its wrds and imagery, while Silent Spring describes an unnatural spring withut the beauty f birdsng. They each raise peple’s awareness f nature by highlighting the interplay between nature and human behavir.