1、高中英语 必修第二册 UNIT 6 Earth firstUNIT 6 Earth firstStarting out&Understanding ideasStarting outWatch the video and answer the questions.1Which of the facts in the video do you find most alarming?2What does the video want to tell us?Severe environmental problems we are facing nowadays make our future unc
2、ertain.Its time for everyone to take action now and make our planet a greener and safer place for our future generations.视频脚本视频脚本Save Life on Earth Earth，home to countless plants and animals for millions of years，has an uncertain future.How many of us are aware that.130，000 square kilometres of fore
3、st disappear every year around 25，000 trees are cut down each day just to make toilet paper each day，around 150 to 200 species of plants and animals become extinctnearly 1，000 times the natural rate of extinction over 1 million animals are killed by ocean pollution each year 1 billion people dont ha
4、ve clean drinking water a plastic bottle can take 450 years to break down the ice caps are more than 50%thinner than they were 40 years ago If we do not change our ways，we are at risk of ruining our planet and destroying many more plants and animals.Some day in the future，there may be no tigers，no h
5、orses，no butterflies，no dolphins and no whales；nor will there be any trees or flowers.All of these things will be gone.And we will be gone，too.Time is running out.Our planet needs our help.Its up to us to decide together what happens next.Look at the cartoons and answer the questions.1What environme
6、ntal problem does each cartoon refer to?2What are the causes of these problems?3What do you think is the most serious environmental problem we face today?What should be done to help solve it?water pollution；deforestation；air pollution；global warmingUnderstanding ideasTick the words that you would us
7、e to describe sharks.Add anymore you can think of.dangerous powerful endangered interesting man-eating terrifying cute intelligent huge Now compare your choices with the class.Share what you know about sharks.Add more：flexible，fierce，ocean giant，sharp teethRead the passage and find out how sharks ar
8、e described in the film Jaws.Sharks are described in the film as dangerous and bad animals that eat humans.SHARKS：DANGEROUS OR ENDANGERED?We see a woman swimming at night in a dark sea.Suddenly，she is pulled underwater.She surfaces，cries in fear，then disappears forever.This is the opening scene from
9、 the 1975 film Jaws，showing a shark attack.It tells the story of a great white shark that attacks and kills swimmers.Jaws was a great success，attracting huge audiences and winning many awards.It strengthened peoples long-held idea of the great white shark as a dangerous animal.People have always bee
10、n scared of sharks，but Jaws made things worse.It made people frightened of sharks，especially of the great white shark.Many people who saw the film started to believe that sharks were bad animals that ate humans.Some people stopped swimming in the sea，afraid of the horrible creature from the film.Oth
11、er people started fishing for sharks，killing as many as they could.At that time，nobody cared if sharks were killed，or how many were killed.People just wanted them killed.After 1975，the number of large sharks around America fell quickly，and soon fell around the world.This was not only due to fear of
12、sharks，but also finning.Finning is a type of fishing where sharks are caught and their fins cut off.The sharks are thrown back into the sea where they die slowly and painfully.The fins are used in shark fin soup.Finning kills millions of sharks a year.Finning would have an unexpected effect upon Pet
13、er Benchley，the man who wrote the book the film Jaws was based on.In 1980，Benchley was diving when he came across an awful sight.It was an area where fishermen were finning，and the sea floor was covered with dead sharks.Benchley saw sharks being killed and this caused a deep change in him.He came to
14、 see people as a danger to sharks，rather than the other way round.From that day on，he fought to protect sharks.He admitted that his book was wrong about sharks behaviour.“Sharks dont target humans，”he said.Experts have proved that sharks do not see people as food，and they attack us by mistake.Only a
15、round six people are killed by sharks every year.Fortunately，not everyone who watched the film Jaws became afraid of sharkssome became interested in understanding them.Today，as we learn more about sharks，more people than ever want to protect them from extinction.Choose the authors purpose in writing
16、 the passage.1 To criticise Peter Benchleys misleading description of sharks in his book and advocate the protection of sharks.2 To explain peoples misunderstanding of sharks and raise awareness of shark protection.3 To inform people about sharks and recommend the film and the book to them.Complete
17、the chart showing how attitudes towards sharks have changed with words and expressions from the passage.People have a normal fear of sharks.People have always been scared of sharks because they are considered 1 .People are more frightened of sharks.People who saw the film Jaws believed 2 .Some peopl
18、e stopped 3_ while others started to 4 .The number of large sharks fell quickly due to 5 .More people are against finning and wish to protect sharks.Peter Benchley admitted that his book 6_ and fought 7 them.Experts have proved that 8 ，and they attack us by mistake.Some people became interested in 9
19、_ and more are willing to 10 .as dangerous animalssharks were bad animals that ate humansswimming in the seafish for sharksfear of sharks and finningwas wrong about sharks behaviourto protectsharks do not see people as foodunderstanding sharksprotect sharks from extinction1How do you think Peter Ben
20、chley felt after diving in 1980?2What other films or books do you know that feature wild animals?Do they“paint”a good or bad picture of these animals?Say how the animals are described.He might feel sad for the sharks being killed；he might feel regretful for depicting the great white shark as a dange
21、rous animal in his book；he might also feel angry about finning.A filmMarch of the Penguins（帝企鹅日记）.It“paints”a good picture of penguins.This is a film that really reflects the life of the penguins.The climate of the north of the Antarctic continent is mild and the food is adequate；while the south is
22、covered with snow，the climate is cold and the food is short.But the southern part has its advantages.There is no natural enemy.In order for the penguins to grow up healthily，the penguins parents are coming from the north to the south to hatch the little penguin eggs every year.The penguins parents t
23、ake turns to work for hatching eggs and looking for food.How hard we can imagine the weak penguins are doing these tasks every year.A bookMy Wild Animal Friend（我的野生动物朋友）.It“paints”a good picture of many wild animals in Africa.It tells the moving story and personal experience of Tippi Degre when she
24、returns to Paris at the age of 10.At the same time，more than 130 rare pictures taken by her parents，the famous wildlife photographers,are included，which can not only be appreciated，but also arouse peoples awareness of protecting natural wildlife.Think&Share 高中英语 必修第二册 UNIT 6 Earth first课文思维导图梳理与提示高中
25、英语 必修第二册 UNIT 6 Earth first课文预习自测 阅读理解（根据课文内容选择正确答案）1.The film Jaws.A.showed the protection of sharksB.made people more afraid of sharksC.stopped people from watching horror filmsD.encouraged people to care if sharks were killed2.Which of the following changed Peters attitude towards sharks?A.People
26、 killed sharks cruelly.B.People stopped swimming in the sea.C.Sharks became a danger to people.D.The film Jaws became a great success.高中英语 必修第二册 UNIT 6 Earth first3.What is the fact about sharks?A.Sharks are dangerous to people.B.Sharks do not see people as food.C.Sharks kill a dozen of people each
27、year.D.Sharks are killed by people in a small number.4.Why does the author write this passage?A.To show a successful film about the protection of sharks.B.To inform people about sharks and recommend the film and the book to them.C.To explain peoples misunderstanding of sharks and raise awareness of
28、shark protection.D.To criticize Peter Benchleys misleading description of sharks and advocate the protection of sharks.高中英语 必修第二册 UNIT 6 Earth first 语法填空（根据课文内容和语法规则完成短文）The 1975 film Jaws tells the story of a great white shark that attacks and kills swimmers.Jaws was a great success，1（attract）huge
29、audiences and winning many awards.It 2 （strengthen）peoples long-held idea of the great white shark as a dangerous animal.People have always been 3（scare）of sharks，but Jaws made things worse.Many people who saw the film started to believe 4sharks were bad animals that ate humans.Some people stopped 5
30、（swim）in the sea while others started fishing for sharks.The number of large sharks fell quickly due 6fear of sharks and finning.Peter Benchley，the man who wrote the book the film Jaws 7 （base）on，admitted that his book was wrong about sharks behaviour and fought 8 （protect）them.Experts have proved t
31、hat sharks do not see people9food，and they attack us by mistake.Some people became interested in understanding sharks and more people want to protect them from 10 （extinct）.attractingstrengthenedscared thatswimming towas based to protectasextinctionLanguage points高中英语 必修第二册 UNIT 6 Earth first核心词汇核心词
32、汇 教材原句p.61 What environmental problem does each cartoon refer to?每幅漫画都提到了什么环境问题？1 refer to 提到，谈到；查阅，参考；涉及，关于They agreed never to refer to the matter again.他们同意永远不再提这件事了。He made the speech without referring to his notes.他脱稿发表了演讲。The figures refer to our sales in Europe.这些数字是我们在欧洲的销售额。【归纳拓展归纳拓展】（2）ref
33、er to.as.称为 refer sb./sth.to sb.把某人介绍给某人（以求帮助）/把某事物交给某人（解决）（3）in/with reference to 关于 for future reference 供日后参考题组练领悟方法高中英语 必修第二册 UNIT 6 Earth first单句语法填空单句语法填空(1)Who do you think the teacher is referring?(2)The scientist referred to the discovery the most exciting new development in this field.(3)W
34、rite down the phone number of that restaurant for future（refer）.完成句子完成句子(4)Some scientific stories this book （提到）have come true now.(5)When reading，youd better avoid （查词典）too often.(6)Coal （通常被称作）a fossil fuel.to asreferencerefers toreferring to your dictionaryis usually referred to as高中英语 必修第二册 UNI
35、T 6 Earth first教材原句 p.62 People have always been scared of sharks，but Jaws made things worse.人们本就害怕鲨鱼，但大白鲨加深了这种恶劣印象。2 scare v.使（某人）惊恐，吓唬It scared me to think I was alone in the building.想到楼里只有我一个人，怪害怕的。The dog scared the thief away.那条狗把小偷吓跑了。【单词积累单词积累】scared adj.害怕的 scary adj.可怕的，恐怖的be scared of doi
36、ng sth.害怕做某事 be scared of sth.害怕某物be scared to do sth.害怕做某事 be scared that.害怕高中英语 必修第二册 UNIT 6 Earth first单句语法填空单句语法填空(1)It scared me（think）I took a ship alone on the rough sea.(2)When we are getting excited，angry or（scare），our bodies also go through manyphysical changes.(3)词汇复现 The researchers had
37、to make a fire at the edge of the forest to scare wild animals at night.(4)She was scared （go）into the yard because she was scared of （bite）by the big dog lying at the gate.完成句子完成句子(5)Many customers have been （被吓得购买）organic food.to thinkscaredaway/off to gobeing bittenscared into buying高中英语 必修第二册 UN
38、IT 6 Earth first教材原句p.62 Finning is a type of fishing where sharks are caught and their fins cut of.采割鱼鳍是一种渔猎活动，人们捕到鲨鱼后将鱼鳍割下。3 cut of 切掉，砍掉，剪掉；停止，中断（供给）；使与外界隔绝cut off ones long hair 剪掉某人的长发cut the fat off the meat 把这块肉上的肥肉切掉cut off the gas/electricity/water 切断煤气供应/断电/断水In winter，the town is often cu
39、t off by snow.到了冬天，这座城镇常常因大雪与外界隔断联系。【归纳拓展归纳拓展】cut down 砍倒；减少，缩减 cut away 去掉；切掉；砍掉cut out 裁剪；删去 cut up 切碎，剁碎cut in 插嘴，打断别人说话 cut across 抄近路穿过高中英语 必修第二册 UNIT 6 Earth first完成句子完成句子(1)The army（失去了联络）from its base.(2)Busy with his project，he felt （与外界隔绝了）.单句语法填空单句语法填空(3)Charlie cuts the leather top of th
40、e shoe and shares the shoe with the other fellow.(4)She always focused on what her friend said and seldom cut.(5)Dont cut the tree that gives you shade.(6)We can gain some time if we cut this field.was cut offcut off from the outsideoffindownacross高中英语 必修第二册 UNIT 6 Earth first教材原句p.63“Sharks don t t
41、arget humans，”he said.“鲨鱼不以人类为攻击目标，”他说。4 target v.把作为目标n.目标；对象；靶子The campaign is clearly targeted at the young.这个宣传活动显然是针对青年人的。aim at a target 瞄准目标become the target for/of a lot of criticism 成为众矢之的hit/miss the target 中/脱靶高中英语 必修第二册 UNIT 6 Earth first完成句子完成句子(1)The advert for the energy drink（专门针对）yo
42、ung people.(2)The plan doesnt sound very practical.It is bound to （成为的对象）the attack.(3)（给你自己制订目标）that you can reasonably hope to achieve.is targeted specifically atbecome the target of/forSet yourself targets高中英语 必修第二册 UNIT 6 Earth first教材原句 p.63 Fortunately，not everyone who watched the film Jaws be
43、came afraid of sharks.幸运的是，并不是每个看过大白鲨这部电影的人 都变得害怕鲨鱼5 fortunately adv.幸运地搭配：搭配：fortunately for sb.某人很幸运（作状语）I was late，but fortunately the meeting hadnt started.我迟到了，不过幸好会议还没有开始。【单词积累单词积累】（1）fortune n.运气；大笔的钱try ones fortune 碰运气 make a fortune 发财（2）fortunate adj.幸运的be fortunate to do sth.幸运地做某事（3）unf
44、ortunate adj.不幸的 unfortunately adv.不幸地高中英语 必修第二册 UNIT 6 Earth first单句语法填空单句语法填空(1)（fortunate），after six years hardwork，he founded his own company.(2)Two middle-aged passengers fell into the sea.（unfortunate），neither of themcould swim.(3)He went to Australia and soon made fortune.完成句子完成句子(4)I（很幸运找到一份
45、工作）that I love.UnfortunatelyaFortunatelyam fortunate to find a job高中英语 必修第二册 UNIT 6 Earth first教材原句p.63.more people than ever want to protect them from extinction.越来越多的人想要保护它们免遭灭绝。6 extinction n.灭绝，绝种species in danger of extinction 有灭绝危险的物种be close to extinction 濒临灭绝protect.from extinction 保护免于灭绝lea
46、d to the extinction of many animals 导致许多动物的灭绝【单词积累单词积累】extinct adj.灭绝的，绝种的an extinct species 已灭绝的物种高中英语 必修第二册 UNIT 6 Earth first单句语法填空单句语法填空(1)The（extinct）of the dinosaurs occurred long before humans came into being.完成句子完成句子(2)According to Jack，it is global warming that leads to （许多动物的灭绝）.(3)Conserv
47、ationists are trying to （保护鲸类以防止其灭绝）.extinctionthe extinction of many animalsprotect the whale from extinction高中英语 必修第二册 UNIT 6 Earth first教材原句p.64.showing how attitudes towards sharks have changed.展示人们对鲨鱼的态度是如何变化的7 attitude n.（尤指通过行为表现出的对某事的一般）看法，态度He has a very bad attitude to/towards work.他的工作态度极
48、差。Its often very difficult to change peoples attitudes.人们对事情的看法通常很难改变。【一言辨异一言辨异】As the saying goes，attitude determines altitude.Nothing is too difficult if you set your mind to it.俗话说，态度决定高度。世上无难事，只怕有心人高中英语 必修第二册 UNIT 6 Earth first单句语法填空单句语法填空(1)Only when you take a positive attitude the project wil
49、l you enjoy the whole process.完成句子完成句子(2)I dislike him because he always （对有不好的态度）the people around him.(3)People（对生活有积极态度的）are more likely to succeed.(4)If you want to pass your exams，youd better（改变你的态度）.to/towardshas a bad attitude to/towardswith a positive attitude towards lifechange your attitud
50、e高中英语 必修第二册 UNIT 6 Earth first重点句式 教材原句p.63 Today，as we learn more about sharks，more people than ever want to protect them from extinction.时至今日，随着我们对鲨鱼了解 的加深，越来越多的人想要保护它们免遭灭绝。【句法分析句法分析】as we learn more about sharks是as引导的时间状语从句，as 表示“随着”。as 引导状语从句（1）引导时间状语从句，强调从句和主句的动作同时发生，常译为“一边一边，随着”。As he grew old
