九年级新教材Unit13 SectionA(3a-4b).ppt

1、Unit13 SectionA(3a-4d),Were trying to save the earth!,New words,shark n.鲨鱼,fin n.（鱼）鳍,cruel adj. 残酷的；残忍的,harmful adj.有害的,1.n. 链子；链条 2.n. 生态系统 3.n. 工业；行业 4.n. 法律；法规 5.adj.可重复使用的； 6. v. 承担得起；买得起 7. n. 运输业 交通运输,chain,ecosystem,industry,law,reusable,afford,transportation,the food chain,be harmful to,1.对

2、.有害 2. 在.顶部顶端 3. 食物链 4. 参加 5. 关掉 6. 付费 7. 采取行动,at the top of,take part in,turn off,pay for,take action,Reading,Read the passage about sharks and complete the fact sheet below.,3b,70 million,over 90 percent,WildAid and the WWF,Scanning,Many have heard of shark fin soup. This famous and expensive dish

3、 is especially popular in southern China. But do you realize that youre killing a whole shark each time you enjoy a bowl of shark fin soup?,很多人都听说过鱼翅羹。这道既昂贵又著名的 菜在中国南方特别流行。 但是每次当你喝鱼 翅羹的时候你是否意识到你杀了一整只鲨鱼？,听说,in southern China在中国南部地区 = in the south of China,鱼翅汤,When people catch sharks, they cut off Th

4、eir 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.,对有害,切掉,当人们捕捉到鲨鱼的时候，他们切掉鲨鱼的鱼鳍，然后把它们扔回大海。这种做法不仅残忍，而且对环境有害。失去鱼鳍的鲨鱼再也不能在水里游泳，会慢慢死去。,不再=not any longer,not onlybut also 不仅 而且,Sharks ar

5、e at the top of the food chain in the oceans 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.,在的顶部,鲨鱼处于海洋生态系统食物链的顶端，如果他们的数量下降的太多，将会给所有的海洋生物带来危险。很多人以为鲨鱼永远不会濒临灭绝，因为他们是食

6、物链的最强者。,食物链,在海洋生态系统中,danger n. dangerous adj.,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.,但事实上，每年大概有七百万的鲨鱼被捕杀和交易。在过去的20年到30年，某些品种的鲨鱼数量下降了超过90%。,实际上,=about,的数量,在

7、过去的20到30年里 （用现在完成时）,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 sharks fins. So far, no scientific studies have shown that sharks fins are good for health,

8、 so why eat them? Help save the sharks!,环保组织,全世界,制定法律,鱼翅的销售,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 sharks fins. So far, no scientific studies have sho

9、wn that sharks fins are good for health, so why eat them? Help save the sharks!,世界各地的环保组织，如野生救援协会和世界自然基金会，都在想公众宣讲有关“猎翅”的行为。他们甚至已经呼吁政府立法停止鱼翅的销售。到目前为止，没有任何科学研究表明，鱼翅对健康有好处，那么为什么要吃它们呢？帮助拯救鲨鱼吧！,1. Many people do not realize they are killing a whole shark _ they enjoy a bowl of shark fin soup. 2. Sharks a

10、re at the top of the food chain, _their numbers drop, the oceans ecosystem will be in danger.,when,so,Read the passage again and fill in the blanks with the words in the box.,3b,3. Many think that sharks are too strong to be endangered, _ they are wrong. 4. _ there are no scientific studies to suppo

11、rt 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.,but,Although,if,Grammar Focus,Exercises,Joe: _ you ever _ (take) part in an environmental project? Ken: Yes, I have. I _ (help) with a Clean-

12、Up Day last year. It was _ (consider) the biggest clean-up project this city _ ever _(have). Joe: How many people _ (take) part?,Have,taken,help,considered to be,had,had,have taken,Fill in the blanks with the correct forms of the verbs in brackets.,4a,Ken: I _ (think) more than 1000 people _ (come)

13、to help out. Joe: Thats fantastic! I guess everyone in this city is _ (try) to improve the environment. Ken: Yes, we cant afford to _ (wait) any longer to take action!,think,have come,trying,waiting,Fill in the blanks with the appropriate modal verbs from the box.,4b,People _ think that big things _

14、 be done to save the earth. Many forget that saving the earth begins with small things. For example, you _ save electricity by turning off the lights when you leave a room. You _ also use reusable bags instead of plastic bags. I think its a great idea that you now _ pay for plastic bags in some stores.,may,must,can,can,have to,And instead of driving to school or work, you _ ride your bike or walk. If its far, you _ take the bus. All these small things _ add up and become big things that _ improve the environment. Lets take action now!,could,can,might,can,I think that everyone sho