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课件网) Unit 8 We’re trying to save the earth! Section A (3a—4c) 一、重点单词：cruel, harmful, industry, law, scientific, afford 二、重点短语：be harmful to, at the top of, take part in, turn off, pay for, take action 三、重点句型： (1)This is not only cruel, but also harmful to the environment. (2)But in fact, around 70 million sharks are caught and traded in this industry every year. (3)So far, no scientific studies have shown that shark fins are good for health. Warming up Look at the pictures and talk about something about sharks. 3a.Read the passage about sharks and complete the fact sheet below. In southern China. Around 70 million. Over 90 percent. WildAid and the WWF. How government can help Develop laws to stop the sale of shark fins. Save the Sharks! Many have heard of shark fin soup. This famous and expensive dish is especially popular in southern China. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup 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 environment. 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. Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins. So far, no scientific studies have shown that shark fins are good for health, so why eat them Help save the sharks! 1. Many people do not realize they are killing a whole shark _____they enjoy a bowl of shark fin soup. 2. Sharks are at the top of the food chain, _____if their numbers drop, the ocean’s ecosystem will be in danger. 3. Many think that sharks are too strong to be endangered, _____they are wrong. 4. _____there are no scientific studies to support this, a lot of people believe that shark fins are good for health. 5. Sharks may disappear one day_____ we do not do something to stop the sale of shark fins. 3b. Read the passage again and fill in the blanks with the words in the box. so, although, if, but, when when so but Although if We’re trying to save the earth. Present progressive The river used to be so clean. used to The air is badly polluted. Passive voice No scientific studies have shown that shark fins are good for health. Present perfect We should help save the sharks. Modal verbs Grammar Focus Joe: _____you ever_____ (take) part in an environmental project Ken: Yes, I have. I_____ (help) wi ... ...
