英语人教版九年级全册Save the sharks !.doc

Unit 13 Were trying to save the earth!Save the sharks !Section A（3a 3b）I. Revision(1) Spell new word.(2) Translate these sentences into English.甚至是河底都满是垃圾。这个小镇上的每个人都应该参加打扫。骑自行车有其它的优点。我买外卖食品从来不拿木筷子和塑料叉子。II. Lead in (1) Teacher tells students the earth is badly polluted. What should we do to save the earth? Lets take action. For example: Turn off the lights when you leave a room; Take buses instead of driving carsRecycle books and paper.(2) There are some animals are endangered. We should do something to protect the animals and the environment! III. Discussion Watch a video about sharks. Then discuss: (1) Have you ever seen a shark?(2) What do you know about sharks? (3) Talk about shark fin soup. IV. Reading- Save the sharks ! (1) Sharks are endangered, read the passage and circle T or F. Read the first paragraphSharks fin（鱼鳍）soup is famous and expensive all around the world. TFWe have to kill a whole shark to get a bowl of sharks fin soup.T FRead the second paragraphPeople cut off sharks fins and throw the sharks back into the ocean.T FSharks are in the bottom of the food chain in the oceans ecosystem.T FRead the third paragraphWildAid and the WWF are environmental protection groups in China.T FSharks fin s are good for health. T F(2) Complete the fact sheet in 3a. 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”V. Language points1. A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。no longer意思是“不再” E.g._我不再是个学生了。 no longer=notany longer E.g. He no longer lives here. = He doesnt live here any longer. 他不在这儿居住了。2. This method is not only cruel, but also harmful to the environment. 这种方法不但残忍而且对环境有害。be harmful to 对 有害e.g. Smoking is harmful to the health. 吸烟有损健康。 Playing computer games much is harmful to students. 电脑游戏玩太多对学生有害。1. 空气污染对我们的健康有害。 The air pollution _ _ _ our health.2. 吸烟有害健康。 Smoking_ _ _ _ _.3. Sharks are at the top of the food chain in the oceans ecosystem. 鲨鱼位于海洋生物系统食物链的顶部。at the top of 在.最高地位; 用最高最大的(速度, 声音等) E.g. He shouted at the top of his voice in order that he might be heard. 他尽力大声叫喊, 以便别人能听见。4. If their numbers drop too low, it will bring danger to all ocean life. 如果它们的数目降至过低，会给所有海洋生物带来危险。此句复数形式的number表达全海洋中鲨鱼的总量。当表示数值的高或低时，number要用high或low修饰。E.g. In that country, the number of children going to school is _ in cities than in towns and village.在那个国家，城市儿童入学人数比乡镇及农村要高。常与number搭配的动词有grow, fall等。 E.g. The number of cars _quickly. 轿车的数量增长很快。5. Environment protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. 世界各地的环境保护组织，如野生救援协会和世界自然基金会，都在教育公众有关“猎翅”的行为。1) 句中fin本为名词，指 “鱼鳍”。此句中的finning由动词化的fin（割鲨鱼鳍以获取鱼翅）的-ing形式转化而成，指课文中所陈述的 “猎翅”这一行为。2) WildAid和WWF组织WildAid（美国野生救援协会）是保护野生动物及栖息地环境的一个非盈利性的机构，1999年注册成立，其宗旨是保护及救助世界范围内的野生动物；WWF（世界自然基金会）英文全称为World Wide Fund for Nature，成立于1961年，是享有国际盛誉，全球最大的独立性非政府环境保护组织之一。VI. Practice (3b) (1) Read the passage and dill in the blanks with the words in the box.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 oceans 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.VII. Watch a video on protecting sharks! Call on people to protect sharks. Writing & HomeworkWrite a letter to the city mayor about the problems and your suggestions.In your letter, describe the environmentalproblems in you