高中英語人教版 (2019)選擇性必修第三冊Unit 3 Environmental Protection完美版ppt課件-課件下載-教習(xí)網(wǎng)

T learn t talk abut air pllutinT listen t an interview and determine whether statements are true r falseT listen fr detailed infrmatinT discuss the air pllutin using target expressins
Learning bjectives
What infrmatin can yu get frm this picture?
They all lk very plluted.
The bridge is in Lndn.
The chimneys are in a pwer statin.
the burning cal
What is it? And what d yu think abut it?
New energy vehicles can be pwered by electricity. They are the breakthrugh pint fr China t develp new energy autmbiles.
NEVs(new energy vehicles)
Hw d these situatins influence yur life?
These situatins influence my life nt nly by prviding electricity fr me, and transprting me, but als by plluting the air I breathe.
1. The expressin “smg” riginated in Britain and means a cmbinatin f “smke” and “fg”.2. Smg became a severe prblem in Britain because peple at that time burnt lts f fssil fuels.
Listen t an interview with an air pllutin expert and decide whether the statements are true (T) r false (F).
while-listening
3. The wrst smg in British histry happened in Lndn in 1942.4. The Great Smg f Lndn claimed 5,000 lives.5. Later, the UK gvernment rdered peple nt t burn wd in their hmes.
Listen again and take ntes n what the expert said.
Ben Drake, an expert n air pllutin, is being interviewed n the radi. He said that smg was a severe prblem ____________________century in Britain. At that time, Britain was experiencing a bm in ___________________. Factries and hmes_____________________, which created smg. He als mentined the heavy smg in Lndn ______________________________________________in 1952.
in the early 20th
used lts f cal
was particularly bad and caused ver 4,000 deaths
Later the UK gvernment restricted _____________________in hmes and frced factries t _________________________. As smg is harmful t everyne, the expert advised us t _____________________________________, use _____________________________, and further develp _______________________.
burning cal
mve away frm city centres
replace cal with cleaner frms f energy
new energy-efficient vehicles
green technlgy
Summarise infrmatinIn active listening, summarising helps yu review the key pints f a speaker’s message. In rder t write a gd summary, yu must tke ntes f the mst imprtant pints as yu listen. When summarising, yu need t be as cncise as pssible and use yur wn wrds.
Then summarise the infrmatin yu gt frm the interview.
Discuss the questins. The expressins in the bx may help yu.
Referring t cmmn knwledge
Everyne knws that …Mst peple think that is knwn t all, is n dubt that all knw that…It is bvius that …
wrk in pairs
Have yu experienced heavy smg where yu live? Have yu seen phts f big cities under cluds f smg? What is it like?I have ccasinally experienced heavy smg where I live. I have als seen pictures f heavy smg ver cities. It is very thick and hard t see thrugh. There is n dubt that it is nt a gd thing.
2. What d yu think are the majr causes f smg in China?Industry and vehicles are the majr causes f smg in China.3. What measures have the gvernment and citizens taken t help address the prblem?Mst peple think that pllutin at a certain level is a necessary result f grwth, but the gvernment is taking measures t keep it in check by develping green energy slutins and cntrlling factry and vehicle emissins.
D yu think smg is extreme weather r a disaster? Hw did the extreme weather and disasters cause serius damage r lsses?Are we facing an unavidable dilemma (兩難的困境)? D we have t sacrifice ur envirnment fr ecnmic develpment? Hw can we balance them?
Write a reprt n an envirnmental issue
1. T read and understand the reprt n water pllutin in the Li River.2. T read fr detailed infrmatin and prduce a mind map.3. T learn t write a reprt n an envirnmental issue.
REDUCING WATER POLLUTION IN THE LI RIVER
Lk at the title and the picture and discuss the questins.
What d yu think might have caused water pllutin in the Li river?A large number f turists crwd in and leave t much damage.Enterprises pured the plluted water int the river.
Befre reading:
Read the text again and cmplete the paragraph summaries.
measures/slutins
The passage uses “prblem-slutin” pattern when talking abut water pllutin in the Li River. Here is its structure.
Draw a mind map t shw all the factrs that caused the pllutin.
Li River Pllutin
Increasing number f turists
Turists thrwing rubbish in water
Tur bats thrwing cking il in water
Rise in number f cmmercial and industrial enterprises = mre waste
Mre chemicals fr crp prductin ging int water
Lcal ppulatin rise t meet turism demand = mre husehld waste
Read the passage a third time. Use prper expressins frm the text t fill in the blanks.
have negative effects n, suffer frm, cntribute t, in rder t, lead t, cause…
Urgent steps shuld be taken t…A cmprehensive initiative…With a number f measures that addressed…With these measures…With such campaigns in effect…Verbs: imprve, clse, set up, intrduce, spread, carry ut, fine, preserve, tackle, head twards
語法填空. The beautiful Li River is ne f the 1_____________（famus） turist destinatins，but the 2__________（grw） in turism has had negative effects n the river’s water quality. This reprt lks at the prblem f water pllutin and sme actins that have been taken t deal with it. Water quality in the Li River had suffered 3__________（great） frm an increasing vlume f turists，many f 4__________ frequently threw garbage int the river. Many tur bats cntributed 5__________ the prblem t. The lcal ppulatin rse rapidly，as well as 6__________ number f cmmercial and industrial enterprises. Water pllutin levels increased，with mre husehld and cmmercial waste ending up in the river. T feed mre peple，mre chemicals 7__________（use） t increase crp prductin. These chemicals led t severe water quality issues，8__________（cause） a decrease in the number f fish species. 　　Finally，a series f urgent steps were taken 9__________（restre） the river’s riginal beauty. It 10__________（believe） that the beauty f the Li River will be preserved fr generatins t cme.
is believed
Use what yu have learnt t write a reprt n an envirnmental issue.
Chse an envirnmental prblem that directly affects yu r yur lcal cmmunity. Research the issue n the Internet. Cnsider the fllwing questins:
Yu may use the fllwing table t help yur writing.
與垃圾相關(guān)的語塊垃圾：trash / rubbish / garbage / waste?????垃圾污染：garbage / waste pllutin垃圾分類：garbage / rubbish classificatin / srting回收箱：recycle bin廚余垃圾：kitchen waste???????????????可回收物：recyclable waste有害垃圾：hazardus waste???????????????生活垃圾：dmestic / husehuld garbage / waste干垃圾：residual waste / dry refuse????????濕垃圾：husehld fd waste
與環(huán)境保護(hù)相關(guān)的語塊untreated waste??未經(jīng)處理的廢棄物slid waste 固體廢物white pllutin 白色污染mtr vehicle emissins 機(jī)動車輛排放develp renewable resurces 開發(fā)可再生資源glbal warming 全球變暖endangered wildlife 瀕危野生物water resurce cnservatin zne 水資源保護(hù)區(qū)frest cverage rate 森林覆蓋率
pesticide residue 農(nóng)藥殘留mtr vehicle exhaust 汽車尾氣? clean energy 清潔能源?? greenhuse effect 溫室效應(yīng)greenhuse gas emissins 溫室氣體排放energy cnservatin and emissins reductin 節(jié)能減排envirnmentally friendly / ec-friendly 環(huán)保的envirnment-friendly prducts 環(huán)保產(chǎn)品thrwaway bidegradable plastic bags 可降解一次性塑料袋
與環(huán)境保護(hù)相關(guān)的句子China’s gal is t build a resurce-cnserving and envirnmentally friendly sciety.中國的目標(biāo)是建設(shè)一個資源節(jié)約型和環(huán)境友好型的社會。A better understanding f the envirnment is necessary. 更好地了解環(huán)境情況是有必要的。The underlying trend f higher and higher temperatures is likely t cntinue.全球溫度越來越高的潛在趨勢可能將繼續(xù)。
Many rivers and lakes are seriusly plluted. 許多河流和湖泊受到嚴(yán)重污染。D smething useful t prtect the envirnment. 做些有用的事來保護(hù)環(huán)境。Dn’t thrw any litter nt the grund. 不隨地扔垃圾。The amunt f water which is suitable t drink is smaller and smaller. 可飲用水越來越少。It’s ur duty t prtect ur envirnment. 保護(hù)環(huán)境是我們的責(zé)任。
Air pllutin is als a big prblem in very large cities, especially in develping cuntries.空氣污染在大城市也是個大問題，特別是在發(fā)展中國家。In many parts f the wrld, as peple becme mre aware and apply new technlgy t slving the pllutin prblem, there is hpe fr the future. 在世界很多地方，隨著人們對環(huán)境污染問題的認(rèn)識越來越清醒，并使用新的技術(shù)解決污染問題，未來還是大有希望的。
1. Water pllutin levels increased, with mre husehld and cmmercial waste ending up in the river.
with的復(fù)合賓語結(jié)構(gòu)在句中作狀語
ending up in the river的邏輯主語是mre husehld and cmmercial waste，故而用現(xiàn)在分詞表示。
language pints
with的復(fù)合賓語結(jié)構(gòu)多由“with+賓語+形容詞/副詞/介詞短語/現(xiàn)在分詞(短語) /過去分詞(短語) /不定式(短語)”構(gòu)成。With time ging by, I gradually learnt hw t cpe with stress in my life.The teacher came in, with a bk in his hand.I sat in my rm fr a few minutes with my eyes fixed n the ceiling.With s much wrk t d, I can’t g ut with yu.With his wife away, he had t d all the husewrk.
2. … urgent steps shuld be taken t restre the river’s riginal beauty.restre v. ?t make smething return t its frmer state r cnditin 恢復(fù)restre ... t …eg She was hping that the Mediterranean climate wuld restre her t full health.
3. Dzens f plluting enterprises were clsed r mved.dzen n. ?twelve 一（打）；十二個dzens f: a lt f 許多；很多eg Yu will be able t take ten?dzen?bttles free f duty thrugh custms.I must have mentined him dzens f times in my letters.
注意有具體數(shù)詞時，用單數(shù)。
4. At the same time, they started t carry ut inspectins regularly and fine turist rganisatins fr abuses.fine v. ?t make smene pay mney as a punishment 對……處以罰款fine sb fr (ding) stheg She was fined fr speeding. They?fined?him $100?fr?using threatening behaviur.
Finish yur writing.If yu’ve finished it, please revise it accrding t yur partner’s feedback.

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