高二英语 Unit 3 课件 人教新目标版选修7

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1、Listen to the news reports. Number the places where these attacks happened in the order you hear them.1.Perth 2.South Australian coast3. Hawaii4. Seal Rocks, New South Wales5. North Queensland coast5Listening on Page 621234Listen again to complete the details of each attack.News reportage and sex of

2、 person attackedTime of attackInjuries sufferedActivity of person at the timeType/ length of shark1Man (age not stated)SunsetReceived cuts to his leg and footStanding in about 50 cm of water(Not stated)23Girl, 13Man, 30(Not stated)In the morningLeft arm bitten off just below the shoulderBitten on th

3、e left side of his body and upper armSurfingSnorkelling(Not stated)(Type not stated), 2 metres long45Man, 49Man, 236:30(Not stated)Leg torn off, diedLeg and large part of his body taken, diedSwimming with friendsDiving for shellfishGreat White, 5.8 metres longGreat White, (length not stated)NEWS REP

4、ORTS: SHARK ATTACKSListening textA man is recovering at home after being attacked by a shark while standing in about 50 cm of water at Seal Rocks in New South Wales at sunset yesterday. He received cuts to his leg and foot. A hospital spokesman said the injuries were not serious and the man was not

5、admitted to hospital.News report 1In Hawaii, a shark bit off the left arm of a 13-year-old surfer while she was on her board in clear water. Betty Hamilton lost her left arm just below the shoulder. Tom Hamilton said his daughter was resting comfortably in hospital.News report 2A 30-year-old man was

6、 attacked by a 2-metre shark while snorkelling this morning off the North Queensland coast. He was bitten on the left side of his body and upper arm and has been taken by air to hospital.News report 3A man has been killed in a shark attack at 6:30 am this morning in shallow water at a popular city b

7、each in Perth. Scores of witnesses watched as the 5.8-metre shark attacked 49-year-old Ken Crew, tearing off his leg. News report 4He had been swimming with friends at the time. Crew was pulled to the shore on a surf ski but died soon afterwards. The area is being searched but the shark, believed to

8、 be a great white, will not be hunted down.A diver has been attacked and killed by a great white shark off the South Australian coast. Paul Buckland, 23, was attacked on Tuesday as he was coming to the surface after diving for shellfish. News report 5Buckland yelled for help as he was being held in

9、the sharks mouth, according to police. His friend, Shannon Jenzen, tried to pull Buckland into their boat, but the shark attacked again from behind, taking a leg and large part of his body. Buckland bled to death shortly after.Listen and number the statements in the order that you hear them.Shark po

10、pulations grow at a very slow rate.A lot are killed because of modern fishing technology.Governments should take action so that the fishing of sharks is slowed down.748Listening task on page 65Sharks attacks get a lot of attention in the news.Shark populations are decreasing at a serious rate.Some s

11、pecies need to be protected.The chance of being bitten by a shark is actually very small.Millions of sharks are killed each year.15623Listen to the interview again and check your answers.1. Should people be afraid of swimming in the sea?No (the chance of being bitten is very small; most sharks are n

12、ot interested in killing people).2. How many people are killed by sharks each year?3. Do sharks or people need to be protected? Why? Only a few.Sharks need to be protected as millions are killed each year by human beings, whereas only a few human beings are killed each year by sharks.4. Why are so m

13、any sharks being killed?Sometimes they are killed by accident and sometimes on purpose. For example, shark fin soup is a delicacy in some Asian countries.5. Why does sharks biology affect shark populations? Complete the sentences below. A Age for giving birth to young _ B Time for young to develop _

14、 C Number of young _15 years14 months7-96. How long have shark species been in existence?7. What does Don think will happen if we dont slow down the fishing of sharks?Four hundred million years.Don thinks that many shark species will not be able to survive.LISTENING TEXTListen to Jordan Davies (J) i

15、nterviewing the shark expert Don James (D)J: Don, why do the words “shark attack” frighten so many people?D: Because shark attacks get a lot of attention, especially when they result in terrible injuries. So many people think that there are hundreds of sharks waiting in the sea to attack them.J: Are

16、 they right to think that?D: No, not at all. The chance of being bitten by a shark is extremely small. Throughout the world we know of only a few people who were killed by sharks each year. Now think of the millions of swimmers, surfers, snorkellers and divers that go into the sea! It really shows t

17、hat sharks are not interested in attacking us.J: Really?D: Yes. The truth is that its the sharks that need to be protected. While only a few people are killed by sharks, millions of sharks are killed by us each year.J: Goodness, thats a huge number! So how are so many killed?D: A lot are killed by m

18、odern fishing technology. Although its aimed at catching other fish, sharks are often caught at the same time. But sometimes they are caught on purpose. Shark fin soup is so popular in some Asian countries that many sharks are killed for their fins.J: Thats terrible!D: It is indeed. As a result, the

19、 variety of shark species and their populations are decreasing at a serious rate. In fact, some species are close to being endangered. And the sharks biology doesnt help much either.J: What do you mean by that?D: Well, Ill give you an example. Female Great White Sharks do not give birth until they a

20、re about 15 years old; the young take about 14 months to develop before they are born; and they only have 7 to 9 young. So shark populations grow at a slow rate.J: OK, so what should we do?D: I think governments around the world should take action. They should reduce fishing for sharks and protect the most endangered species. Otherwise they will die out. Sharks have been on this planet for 400 million years and it would be terrible if they disappear because of us.J: Yes, indeed it would.

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