2021学年Unit 6 Nature in words评课课件ppt

这是一份2021学年Unit 6 Nature in words评课课件ppt，共21页。
Activity 1
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 cntrl.
Lk at the infgraphic belw and answer the questins.
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 subsequently 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.
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.
Nw read the passage and check yur predictin.
It is a bk review n Silent Spring, s the fllwing parts may be mentined this this passage:1) basic infrmatin abut the bk, including the authr, year f publicatin, theme and main idea; 2) the reasn why this bk is published; 3) features f the writing; 4) cmments n this bk; 5) influence f this bk.
Activity 3
Organise infrmatin frm the passage and cmplete the ntes abut Silent Spring.
1 1962 2 the damaging effects f human activity 3 mre respnsible, limited and carefully mnitred 4 scientific infrmatin, examples and research 5 beautiful and elegant 6 The pesticide industry 7 defend her claims 8 The use f DDT 9 Presidential Medal f Freedm 10 envirnmental awareness
Nw wrk in pairs. Talk abut which aspects f the bk review make yu wantt read the bk.
Think & Share
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.
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.
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 behaviur.
Activity 4 Wrk in grups. Write an award speech fr Rachel Carsn.
1 Read the passage again and make ntes abut Rachel Carsn’s cntributins t envirnmental prtectin. Cnsider the fllwing: • her mst influential wrk • what pints she tried t make • difficulties she met with • her persnal qualities
Activity 4
2 Rachel Carsn received her Presidential Medal f Freedm psthumusly in 1980. Read the excerpt frm President Carter’s award speech and nte the language features.
Never silent herself in the face f destructive trends, Rachel Carsn fed a spring f awareness acrss America and beynd. Always cncerned, always elquent, she created a tide f envirnmental cnsciusness that has nt ebbed.
3 Write yur wn award speech f abut 100 wrds and share it with the class.
Nw think abut yur perfrmance in grup discussin. Were yu able t make an bjective judgement abut Rachel Carsn?
Writing a pem abut nature
Activity 5
Read the pems and tick the crrect bx(es) fr each questin.
Think abut wrds and expressins related t nature and add them t the mind map.
Activity 6
Activity 7
Wrk in pairs. Plan a pem. Cnsider the fllwing:
• what yur pem will be abut
• what kind f pem yu are ging t write
• what figures f speech yu will use
• what wrds yu can use fr that rhyme (if using rhyme)
Activity 7 Wrk in pairs. Plan a pem. Cnsider the fllwing:
There nce was a by wh thught, He culd eat all the sweets he had bught. He gbbled them dwn, Then started t frwn, ’Cause he’d eaten mre than he ught.
Nw write yur pem.
Activity 8
Wrk in pairs. Make imprvements t each ther’s pems and share them with the class.
Nw discuss the similarities and differences between Chinese and English pems.