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课件网) Period 2 Section A (3a-3b) Unit 13 We’re trying to save the earth! Is it important for us to save the sharks Why 3a Read the passage about sharks and complete the fact sheet below. Many have heard of shark fin/f n/ soup. But do you realize that you’re killing a whole shark each time you enjoy a bowl of shark fin soup Save the Sharks! 杜绝恶劣的饮食习惯，保护海洋环境。 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. ① Without a fin, a shark can no longer swim and slowly dies. ② Sharks are at the top of the food chain in the ocean’s ecosystem. ③ 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. ④ Environmental protection groups around the world, such as Wild Aid and the WWF, are teaching the public about “finning”. They have even asked governments to develop laws to stop the sale of shark fins. ⑤ So far, no scientific studies have shown that shark fins are good for health, so why eat them ⑥ Help save the sharks！ Number of sharks caught and traded every year How governments can help Two environmental groups against “finning” ⑦ around 70 million develop laws to stop the sale of shark fins Wild Aid and the WWF 3b Read the passage again and fill in the blanks with the words in the box. so although if but when 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. when so 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. Although if but so although if but when ①This is not only cruel, but also harmful to the environment. (1) not only... but also... 不但……而且…… not only... but also... 是并列连词词组, 可以连接并列的成分。其中also可以省略。 Not only I but also my sister likes going shopping online. 不仅我, 而且我妹妹也喜欢网购。 连接并列主语 当not only... but also...连接两个主语时，谓语动词的单复数形式遵循“就近原则”，即要和最近的名词或代词的单复数保持一致。 连接并列表语 Astronauts can not only give classes but also write in the spaceship. 宇航员们在宇宙飞船里不但能够授课还能写字。 The government provides these homeless people with not only food but also clothes. 政府给这些无家可归的人不仅提供食物，而且提供衣服。 连接并列谓语 连接并列宾语 拓展：(1) ... ...
