九年级13单元SectionA2.ppt

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1、Section A 23a-3bLets take action (采取行动采取行动)Turn off the lights when you leave a room.Recycle books and paper. Take buses instead of driving cars.There are some animals are endangered. We should do something to protect the animals and the environment! The zoos provide homes for many endangered animal

2、s. 1. Have you ever seen a shark（鲨鱼）（鲨鱼）?2. What do you know about sharks?Where shark fin soup is popularNumber of sharks caughtand traded every yearHow much the numbers of some kinds of sharks have fallen in the last 20 to 30yearsTwo environmental groups which are against “finning”southern China70

3、millionover 90 percent WildAid and the WWF3aRead the passage about sharks and complete the fact sheet below.3bRead the passage again and fill in the blanks with the words in the box.so although if but when1. Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin s

4、oup.2. Sharks are at the top of the food chain, _ if their numbers drop, the oceans ecosystem will be in danger.whenso3. 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.butAlthoughifadj. 科学上的，科学的科学上的，科学的