高中英语外研版 (2019)必修 第二册Unit 6 Earth first备课课件ppt

这是一份高中英语外研版 (2019)必修 第二册Unit 6 Earth first备课课件ppt，共40页。PPT课件主要包含了Discussion等内容，欢迎下载使用。
Get the main infrmatin abut the pictures by watching and thinking.
2.Describe the fllwing pictures .
Starting ut
Hw d the radiactive materials spread t mst f the Pacific Ocean?
We are suppsed t prtect the cean as well as the creatures in it.
Tick the wrds that yu wuld use t describe sharks.
D yu think sharks are dangerus r endangered?
Biting shark
water pllutin
air pllutin
plastic pllutin
glbal warming
waste dispsal
sil pllutin
What envirnmental prblem des each picture refer t?
verppulatin
defrestatin
List the tp 10 envirnmental prblems.Climate Change.（气候变化）Energy.（能源）Water.（水）Bidiversity and Land Use.（生物多样性和土地使用）Chemicals, Txics and Heavy Metals. (化学特制、有毒物质及重金属)Air Pllutin.（空气污染）Waste Management.（废物管理）
Ozne Layer Depletin. （臭氧层损耗）Oceans and fisheries.（海洋和渔业）Defrestatin.（采伐森林）
Backgrund infrmatin
Peter Benchley (1940–2006) was an American authr and screenwriter. He is best knwn fr his best-selling nvel Jaws, which was later adapted as a film by Steven Spielberg. Sme f his ther wrks were als adapted fr cinema,including The Deep, The Island and White Shark. Benchley later regrettedwriting sensatinalist wrks abut sharks, and became a strng advcate fr marine cnservatin.
Tick the wrds that yu want t describe sharks.
dangerus危险pwerful强大的endangered濒危的interesting 有趣的man-eating 吃人的
terrifying恐怖的cute可爱的intelligent聪明的huge巨大的
D yu agree with them?
Befre reading this passage , please try t make a predictin f this passage.
SHARKS:DANGEROUS OR ENDANGERED?
Read the passage quickly and find ut the main idea f this passage.
Befre the film Jaws：After the film Jaws：Tday：
useful expressins:Peple have a nrmal fear f sharks.Peple are mre frightened f sharks.Mre peple are against fnning and wish t prtect sharks.
A. Finning is a cruel way fr sharks.B. IntrductinC. Peple want t prtect sharks.D. Finning had an influence n Peter Benchley.E. Jaws made peple killed sharks.
1.We see a wman swimming at night in a dark sea. Suddenly, she is pulled underwater. She surfaces, cries in fear, then disappears frever. This is the pening scene frm the 1975 film Jaws, shwing a shark attack. It tells the stry f a great white shark that attacks and kills swimmers. Jaws was a great success, attracting huge audiences and winning many awards. It strengthened peple’s lng-held idea f the great white shark as a dangerus animal.
see sb. ding sth. 看到某人正在做某事(看到动作正在进行see sb. d sth. 看到某人做某事(看到动作全过程)
succeed v.成功successful adj.成功的successfully adv.成功地
strng adj.强壮的strength n.优势strengthen v.强化
2. Peple have always been scared f sharks, but Jaws made things wrse. It made peple frightened f sharks, especially f the great white shark. Many peple wh saw the film started t believe that sharks were bad animals that ate humans. Sme peple stpped swimming in the sea, afraid f the hrrible creature frm the film. Other peple started fishing fr sharks, killing as many as they culd. At that time, nbdy cared if sharks were killed, r hw many were killed. Peple just wanted them killed.
be scared f sth. 害怕某物be scared f ding sth. 害怕做某事
frightened adj. 害怕的，受惊的be frightened f sth. 害怕某物/某事
make things wrse 使事情更糟糕
stp ding sth. 停止做某事stp t d sth. 停下来去做另一件事
(be) afraid f 害怕
3. After 1975, the number f large sharks arund America fell quickly, and sn fell arund the wrld. This was nt nly due t fear f sharks, but als finning. Finning is a type f fishing where sharks are caught and their fins cut ff. The sharks are thrwn back int the sea where they die slwly and painfully. The fins are used in shark fin sup. Finning kills millins f sharks a year.
the number f... ……的数量a number f 大量的
millins f 数以百万计的hundreds f 成百的thusands f 成千的
“nt als...”意为“不但……而且……”，连接两个并列的成分。
4. Finning wuld have an unexpected effect upn Peter Benchley, the man wh wrte the bk the film Jaws was based n. In 1980, Benchley was diving when he came acrss an awful sight. It was an area where fishermen were finning, and the sea flr was cvered with dead sharks. Benchley saw sharks being killed and this caused a deep change in him. He came t see peple as a danger t sharks, rather than the ther way rund. Frm that day n, he fught t prtect sharks. He admitted that his bk was wrng abut sharks’ behaviur.“Sharks dn’t target humans,”he said. Experts have prved that sharks d nt see peple as fd, and they attack us by mistake. Only arund six peple are killed by sharks every year.
have an effect upn/n 对……有影响be based n... 以……为基础cme acrss 偶然碰见；偶然发现be cvered with 被……覆盖rather than而不是(在句中连接两个并列成分)
把……看作同义表达：，，，lk ，think ther way rund 相反；反过来frm that day n 从那天起
by mistake 错误地；弄错
“be ding sth. when...” 意为“正在做某事，这时……”，when用作并列连词。
5. Frtunately, nt everyne wh watched the film Jaws became afraid f sharks – sme became interested in understanding them. Tday, as we learn mre abut sharks, mre peple than ever want t prtect them frm extinctin.
prtect……frm保护……不受……
becme interested in 对……产生兴趣(表动作)be interested in 对……有兴趣(表状态)
frtunately adv.幸运地unfrtunately adv.不幸运地lucky adj.幸运的luckily adv.幸运的unluckily adv.不幸地be interested in 对……有兴趣(表状态)
Wrk ut the structure f the text.
Mre peple want t prtect sharks frm extinctin.
1. What’s the main reasn fr the number f large sharks fall quickly?A. Because f the climate change.B. Because f peple's killing and finning f lacking f enugh f the pllutin f the has changed Peter Benchley's pinin abut sharks?A. The hrrible sight he caught when he was diving.B. Peple's fear f sharks.C. The decrease f the sharks.D. Experts' findings n the sharks.
3. Nwadays,what is peple's attitude twards prtecting sharks?A.Neutral. B. Indifferent.C. Favrable. D.Disapprval4. Which f the fllwing statements abut the film Jaws is WRONG?A. A wman died as a result f a shark's attack.B. It was ppular with huge audiences.C. It changed peple's attitude t sharks as a dangerus animal.D. It wn a great reputatin in the field f is the writer purpse f writing the passage?A. T recmmended the film Jaws and the bk t peple.B. T criticize Peter Benchley's misleading descriptin f sharks.C. T raise peple's awareness f shark prtectin .D. T infrm peple sharks are dangerus
Cmplete these blanks.
dangerus animals
sharks were bad animals.
fish sharks
fearness and finning
Cmplete this blanks.
sharks d nt see peple as fd
prtect sharks
What can we d t prtect wild animals?
Prtect the envirnment.Dn't catch them.Prtect the habitat f wild animals.D nt engage in the illegal trade in wildlife.
Sme films and dcumentaries abut wild animals
Preview the activities 4 and 5 n the tpic f dealing with glbal warming.
Cmplete the brchure with the expressins in activity 4.