新人教版九年级Unit 13 We are trying to save the earth.(Section A 3a-3b)课件 .ppt

1、Unit 13,Unit 13 Were trying to save the earth!,Section A 2 (3a-3b),Listen to the tape and answer my questions,southern China,70 million,WildAid and the WWF,Develop laws to stop the sale of shark fins,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

2、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。,Read the passageand judge the following sentences,Read the first paragraph,1. Sharks fin（鱼鳍）soup is famous and expensive all around the world.,2. We have to kill a whole shark to get a bowl of sharks fin soup.,Read the second paragra

3、ph,1. People cut off sharks fins and throw the sharks back into the ocean.,2. Sharks are in the bottom of the food chain in the oceans ecosystem.,n. 生态系统,食物链,Read the third paragraph,1. WildAid and the WWF are environmental protection groups in China.,2. Sharks fins are good for health.,1. A shark c

4、an 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. Im no longer a student. 我不再是个学生了。,有两个短语和no longer同义，即notany longer和notany more，但他们侧重的方面不同。,Language points,no longer和notany longer侧重时间。 e.g. He no longer lives here. = He doesnt live here any longer. 他不在这儿居住了。(一个时间以前他住 在这儿，过了这个时

5、间，他就离开了。) notany more侧重程度和数量e.g. You can drink no more. = You cant drink any more. 你不能再喝了。(喝酒的量到了一定程 度，不能再继续下去了。),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。,not onlybut also(1)用于连接两个表示并列关系的成分，着重强调后者，其意为“不仅而且”; 其中的also有时可以省略。,e.g. She not only plays well,

6、but also writes music. 她不但很会演奏，而且还会作曲。 （2） Not only but also 连接两个分句，并且not only 位于句首时，第一个分句中的主语和谓语要部分倒装。 e.g. Not only does the sun give us light but also it gives us heat .,be harmful to 对有害e.g. Smoking is harmful to the health. 吸烟有害健康。 Playing computer games much is harmful to students. 电脑游戏玩太多对学生有

7、害。,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

8、，会给所有 海洋生物带来危险。 此句复数形式的numbers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 higher 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 families that own cars has been growing quickly r

9、ecently. 近来拥有轿车的家庭数量增长很快。,3b,Read the passage again and fill in the blanks with the words in the box.,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 d

10、anger.,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.,but,Al

11、though,if,adj. 科学上的，科学的,There are some animals are endangered. We should do something to protect the animals and the environment!,Save the earth!Save the animals!,Homework,Write a composition call on people to protect animals,U盘、电脑坏了？教学资料不见了？以前的资料没保存？每一届重复劳动？找不到精品课件、试题、教案反思？各大文库价格昂贵？来【163文库】吧，你可以：上传分享资料赚取零用钱；创建教学空间，分类收藏存储资料；方便下届使用；百万教学资源供你下载；【平台地址：】,