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1、Section A 3a3c,Unit 13 Were trying to save the earth!,学习目标,一、听、说、读、写以下词汇：method, cruel, harmful, low, industry, law, cut off 了解明白以下词汇及短语：shark, fin, chain, ecosystem 二、通过学习，口、笔头掌握下列句型： 1) Many have heard of shark fin soup. 2) When people catch sharks, they cut off their fins and throw the shark back
2、 into the ocean. 3) This method is not only cruel, but also harmful to the environment. 4) If their numbers drop too low, it will bring danger to all ocean life. 三、能读懂介绍关于保护鲨鱼的文章，完成相应的阅读任务，并能够正确运用连词或状语从句改写文章。 四、通过了解鲨鱼的现状，增强保护濒危动物的意识。,克罗斯河大猩猩,苏门答腊虎,湄公河巨型鲶鱼,北极熊,加湾鼠海豚,婆罗洲矮象,爪洼犀牛,黑足雪貂,大熊猫,金头猴,They are e
3、ndangered,Do you know sharks are endangered? Why do you think they are endangered?,1. Where do sharks live? _ 2. Are they all very big? _ 3. What do they eat? _ 4. Is the number of sharks decreasing? _ 5. Why do people catch them? _,What do you know about sharks?,In the sea.,Yes, it is.,To cut off t
4、heir fins.,Yes, they are.,Fishes.,Skimming,Para. 1 Para. 2 Para. 3,Bad things happen when people cut off sharks fins.,Environmental protection groups have done things to protect sharks.,Youre killing a whole shark when you enjoy a bowl of shark fin soup.,速读文章，找出段落大意。,Scanning,Task 1,Read the passage
5、 about sharks and complete the fact sheet.,In southern China,70 million,over 90 percent,WildAid and the WWF,仔细阅读第二段，完成下面的句子。,Bad things happen to sharks when people cut off their fins. When people catch sharks, they _ their fins and _ the shark _ into the ocean. Without a fin, a shark can no longer
6、_ and slowly _. If sharks numbers _ too low, it will _ danger to all ocean life.,Task 2,cut off,throw,back,swim,dies,drop,bring,仔细阅读第三段，完成下面的句子。,Some things that environmental protection groups have done: They _ the public about “finning“. They have even asked governments _ to stop the sale of shark
7、 fins.,Task 3,are teaching,to develop laws,Listen.,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. Sharks are at the top of the food chain, _ if their numbers drop, the oceans ec
8、osystem will be in danger. Many think that sharks are too strong to be endangered, _ they are wrong. _ there are no scientific studies to support this, a lot of people believe that shark fins are good for health. Sharks may disappear one day _ we do not do something to stop the sale of shark fins.,s
9、o although if but when,when,so,but,if,Although,Summarize the article and discuss it with your partner.,sharks,hear of is popular realize enjoy ,cut off throw back into not only but also at the top of be endangered are caught and traded the number of,such as teach about develop laws are good for,我们该如
10、何保护鲨鱼？小组分工合作，完成一份关于保护鲨鱼的海报，并在课后展示。,Group work,观察与思考,1) not only but also 用于连接两个表示并列关系的成分，着重强调后者，意为_；可与both . and替换。若连接两个成分作主语，其谓语通常与_保持一致。 Other examples: Not only does he speak fluent English, but he can also speak Chinese and French well. Exercise is not only good for health, but also fun.,This is
11、 not only cruel, but also harmful to the environment.,不仅而且,相近的主语,The number of some kinds of sharks has fallen by over 90 percent in the last 20 to 30 years.,观察与思考,2) a number of 与the number of的用法： the number of意为“ 的数量”，跟复数名词连用作主语时，中心词是number，谓语动词用单数。a number of意为“许多”，相当于 many，修饰可数名词复数。作主语时，谓语动词用复数。
12、number前可用large，small等修饰，以表示程度。 练习：选词填空： the number of, a number of 1. _ teachers in our school is 350. 2. _ teachers like to read books.,The number of,A number of,我的收获,Words:(词),Reading skill:(阅读技巧),Sentences: (句),找主题句，获得信息。,method, cruel, harmful, low, industry, law, cut off,1) Many have heard of s
13、hark fin soup. 2) When people catch sharks, they cut off their fins and throw the shark back into the ocean. 3) This method is not only cruel, but also harmful to the environment. 4) If their numbers drop too low, it will bring danger to all ocean life.,Homework,必做： 根据提示复述3a。 选做： 完善你们小组的倡议书。,Thank you!,
