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finish D. will。 finished B. do。 Unit 13 Section A(3aGramma Focus) What are they? What are they like? Are they cute and lovely, weren’t they? But they are in danger. Why does the number of them bee smaller and smaller? Let’s read the passage on Page 99 and answer the questions. Where sake fin soup is popular Number of sharks caught and trade every year How much the number of some kinds of sharks have fallen in the last 20 to 30 years Two environment group against ”finning” 1. Many peole do not realize they are killing a whole of shake ______ they enjoy a bowl of shark fin soup. 2. Sharks are the top of the food chain, _____ if their numbers drop, the ocrean’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 shakr fins are good for health. 5 Sharks may dis appear one day _____