人教版高中英语选修8 unit 2《cloning》ppt视听说选修课课件

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1、单元影视,Jurassic Park is a 1993 American science fiction action film directed by Steven Spielberg and the first of the Jurassic Park franchise. It is based on the 1990 novel of the same name by Michael Crichton, with a screenplay written by Crichton and David Koepp.,The film follows two dinosaur expert

2、s Dr. Alan Grant and Dr. Ellie Sattler as they are invited by eccentric (古怪的) millionaire John Hammond to visit his new amusement park on an island off Costa Rica. By cloning DNA harvested from pre-historic insects, Hammond has been able to create living dinosaurs for his new Jurassic Park, an immen

3、se (巨大的) animal preserve housing real dinosaurs.,Accompanied by cynical scientist Ian Malcolm, who is obsessed with chaos theory, and Hammonds two grandchildren, they are sent on a tour through Hammonds new resort (度假胜地) in computer controlled touring cars. But as a tropical storm (热带风暴) hits the is

4、land, knocking out the power supply, and an unscrupulous (不讲道德的) employee sabotages (破坏) the system so that he can smuggle (偷带) dinosaur embryos (胚胎) out of the park,the dinosaurs start to get out of control. Grant then has to bring Hammonds grandchildren back to safety as the group is pursued (追赶)

5、by the gigantic man-eating beasts. Grant finds evidence proving that the dinosaurs have been breeding (繁殖), even though the park scientists have claimed the dinosaurs were engineered to all be female.,By the time they get back to the lodge, the power has gone down again while some dinosaurs are free

6、 on the island. They then surround the lodge. Since everyone who knows how to use computer system is now dead, Tim, then calls the supply ship, which is about to dock in Costa Rica, and Gennaro commands the ship to turn around. Finally, the Costa Rican National Guard show up, take everyone away, and

7、 blow up the island.,Audio & Visual,Listening for details,注: 另附word文档。 点击此处链接, Well, now, why dont you all sit down? Uh, Donald, sit down, sit down. Ah, here. Here he _. Well, here I come. Hello, hello. Say hello. Say hello. Hello. H- Hello. Hello, John. Oh, yes, Ive got lines here.,comes, Well, fin

8、e, fine, I guess. But _ did I get here? Uh, uh, well, let me _ you. First Ill need a _, your blood. Right. Ooh! John, that _. Relax, John, its all part of the _ of _. Hello, John. Hello, John. Hello.,how,show,drop of blood,hurt,miracle,cloning, Cloned from what? Loy extraction has _ recreated an int

9、act D.N.A. strand. Not without massive sequence gaps. Paleo-D.N.A. from what source? Where do you get a 100-million-year-old _ blood? Shhh! What? What? Oh, well, Mr. D.N.A.! Where did you come from?,never,dinosaur, From your blood. Just one drop of your blood _ billions of strands of D.N.A., the bui

10、lding blocks of _. A D.N.A. strand _ me is a blueprint for building a living thing. And sometimes, animals that went _ millions of years ago, like dinosaurs, left their blueprints behind for us to _. We just had to know where to look. _ million years ago, there were mosquitoes, just like today. And

11、just like today,contains,life,like,extinct,find,100,they _ the blood of animals, even dinosaurs. Sometimes, after _ a dinosaur, the mosquito would _ on the branch of a tree and get stuck in the sap (树液). After a long time, the tree sap would get hard and _ fossilized, just like a dinosaur bone, _ th

12、e mosquito _. This fossilized tree sap, which we call _, _ millions of years with the mosquito inside. Until Jurassic Park scientists came along.,fed on,biting,land,become,preserving,inside,amber,waited for,_ sophisticated techniques, they extract the preserved blood from the mosquito, and bingo.: d

13、ino D.N.A. A full D.N.A. strand contains three _ genetic codes. If we looked at screens like these once a second for _ hours a day, itd take two years to look at the _ D.N.A. strand. Its that _. Since its so old, its full of _. Now thats where our geneticists take over. Thinking machine super-comput

14、ers and gene sequencers,Using,billion,eight,entire,long,holes,_ the strand in minutes. And virtual-reality displays show our geneticists the _ in the D.N.A. sequence. We use the _ D.N.A. of a frog to _ the holes . and complete the code. Phew! And now, we can make a _ dinosaur. This score is only tem

15、porary. It all has very dramatic _, of course. Rum- pum-pum! A march or something. It hasnt been written yet. And then, of course, the tour _ on.,break down,gaps,complete,fill in,baby,music,moves,Sentences appreciation,Now the most advanced amusement park in the entire world incorporating (合并) all the latest technologies. And Im not talking just about rides, you know. Everybody has rides. No, weve made living biological attractions so astounding (令人惊骇的) that theyll capture the imagination of the entire planet.,世界上最先进的游乐园集最新尖端科技之大成,不是指云霄飞车,那个到处都

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