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1、Unit 7 The Sea,26 Protecting the Sea,How is the sea important to people?,People can get sea food such as: fish , sea animals and plants; The sea is rich in many natural resources. we can get oil, natural gas and some metals, besides, the sea has a great effect on climate on the earth.,Japanese ship
2、are killing the whale .,How cruel they are!,The sea is important to us. But with the development of society, human beings explore and seize the sea without limit, as a result, do harm to the sea.,over-fishing,Harvest fish now ,What about the future?,What happened?,The oil tanker was upset, oil poure
3、d into the sea.,What is the result?,Who can save the poor birds?,In 1989 an oil tanker hit a rock off the northwest coast of Alaska. 35,000 tons of oil poured into the sea. The accident was one of the worst in history. More than 34,000 birds and 10.000 animals were killed. 4,8oo square kilometers of
4、 ocean were polluted.,The Sea is weeping,What will happen?,industrial waste,red tide,Is there nothing with us?,China has been experiencing increasing red tides off the Chinese coast since the 1990s due to increasing pollution caused by industrial waste. According to an official report, during the pa
5、st 20 years , a total of 200 red tides have been registered（经正式鉴定的）causing 240 million U.S. dollars in direct economic losses. The 45 major red tides occurred in the Bohai Sea, the Yellow Sea, the East,China Sea and the South China Sea. About 4 billion tons of industrial waste water are discharged(排
6、放) into the sea every year , resulting in the accumulation（积累）of organic pollutants blamed（归咎于有机污染物） for the growing outbreaks of disastrous red tides. Red tides may also destroy marine lives（海洋生物） and bring harm to marine cultivation industries(海洋养殖业).,1. You are likely to notice something about se
7、a pollution in your city or hometown, please talk about it .,2. If we go on polluting the sea what is the result?,If the government go on allowing the industrial waste from factories into the sea and rivers, it is not safe to eat the fish. If we go on pouring the rubbish into the sea, it is no longe
8、r safe for swimming, as a lot of diseases are present in the water. If we go on polluting the sea like that , children in the future will not see beautiful blue sea.,3.What measures do you think we should take?,The government should make laws to protect the sea. We take action like them to protect t
9、he sea.,cleaning oil,The people of the Green Peace Organization are struggling with the ship for catching whales.,What are they doing?,Zhi Hong and Fang Zhou are also talking about protecting the sea . What will they say?,We should spread the knowledge about protecting the sea and let people realize
10、 the importance of the sea.,Listen to the tape and choose the right answer. 1. What can be done about over fishing? man-made raising fish B. In the worst areas they ban fishing for several years C. control the number of fish people can catch,2. Whats the result of over fishing? A. there are less fis
11、h to catch B. people can fish too much C. They can catch more fish than before by better technology,A. there are less fish to catch,3. What are some government departments doing about sea pollution? A. punishing people who keep a record of levels of population B. thinking of ways to reduce populatio
12、n C. all departments must be responsible for finding where pollution comes from,B. thinking of ways to reduce population,Listen to the tape again and fill in the tape. 1.Thats when people fish _and the number of fish_. Some fish may disappear altogether. 2.So there are more fisherman _? Well, they h
13、ope to_, but there are _to catch, so they_.,too much,falls too low,catching more fish,catch more fish,less fish,simply cant,3. It mostly comes from _waste from_ and _ waste from_. 4. They also try to help people to _, so there are _trying to_.,less people,making a living from fishing,industrial,agri
14、cultural,factories,farming,get other kinds of jobs,2. What is the problem 2?,pollution,Over-fishing,Listen to the interview again and answer the questions,1.What is the problem 1?,3.What are the reasons for problem 2?,too many fisherman in the same place, better technology can catch more fish.,4. Wh
15、at are the causes of problem1?,chemicals , plastic, rubbish, oil, industry waste, from factories and agricultural waste.,5. What are the solutions to problem 1?,government departments, look for ways to reduce pollution , keep a record of levels of pollution, finding where it come from, punishing pol
16、luters who break the law.,6. What are the solutions to problem 2?,Control the number of fish that people can catch ,ban fishing completely for a few months, help people to get other kinds of jobs.,Read through the example dialogue then make up a new one with your partner. A: What are you going to do for your sea project? B: I
