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课件网) Unit 13 We’re trying to save the earth! Section A (3a~3b) The earth is badly polluted. What should we do to save the earth Warming up Sharks face the problem of _____ by humans The _____of the problems There's a _____ for shark fins. The _____ of fins makes the sharks unable to swim and slowly die. The bad results the problem bring It is _____ to the environment. The ocean's ecosystem will lose _____ if the number of sharks _____ too low. The _____ to the problem Some environmental protection groups are _____ the public on “finning”. They've asked governments to help to stop the sale of shark fins by _____. being killed cause market loss harmful balance drop solution educating developing laws What should we do to solve the problem Let’s take action (采取行动) Turn off the lights when you leave a room. Take buses instead of driving cars. throw rubbish into the bins There are some animals are endangered. We should do something to protect the animals and the environment! Save the earth! Save the animals! Which do you think is the main reason that leads to the protection of sharks A. Its role in ecosystem. _____ is the main reason that leads to the protection of sharks. B.People's cruelty. C. The dropping population . Deep-thinking Writing The government have decided to protect sharks. Hearing the news, pigs feel it's so unfair. And they require the government to protect them too. If you're the government, please reply to the pigs whether they should not be killed and explain the reason. 1. Have you ever seen a shark（鲨鱼） 2. What do you know about sharks Discuss with your partner: shark 鲨鱼 Many people think that sharks are too strong to be endangered, but they are wrong. Lead in litter v.&n. If I see someone littering, _____. bottom n. _____ points are the bottom line of my _____ grade. The travel market has reached the bottom due to COVID-19. At the bottom of the ocean, we can discover _____. I want to say _____ to _____ from the bottom of my heart. Careful reading Read para.2 Q1.How do people get shark fins？ When people catch sharks, they cut off their fins and throw the shark back into the ocean. Q2.What will happen to a shark without a fin A shark can no longer swim and slowly dies. While-reading: read and answer Para. 2 When people catch sharks, they cut off their fins and throw the shark back into the ocean. This is not only cruel but also harmful to the enviornment. Without a fin, a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life. Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years. 1. How many sharks are caught a ... ...
