九年级英语全册 Unit 13 We're trying to the earth Section A2课件.ppt

Unit 13Were trying to save the earth!,Section APeriod Two,sharkfincruelharmfulbe harmful toat the top ofchainthe food chainecosystemindustrylawscientific,n.鲨鱼n.（鱼）鳍adj.残酷的；残忍的adj.有害的对.有害的在.顶部或顶端n.链子；链条食物链n.生态系统n.工业；行业n.法律；法规adj.科学上的；科学的,Objectives,To learn some key words and useful expressions To learn something about endangered animals-sharks.,Words:shark;fin;cruel;the food chain;ecosystem;industry;law,Phrases:no longer;be harmful to;at the top of,我国是濒危动物分布大国。据不完全统计，仅列入濒危野生动植物种国际贸易公约附录的原产于中国的濒危动物有120多种(指原产地在中国的物种)，列入国家重点保护野生动物名录的有257种，列入中国濒危动物红皮书的鸟类、两栖爬行类和鱼类有400种，列入各省、,我国有多少种濒危动物?,Addtional materials,自治区、直辖市重点保护野生动物名录的还有成百上千种。随着经济的持续快速发展和生态环境的日益恶化，我国的濒危动物种类还会增加。改革开放以来，我国进口了不少动物，如湾鳄、暹罗鳄、食蟹猴、黑猩猩、非洲象等。至于我国究竟有多少种濒危动物很难说清。但可以肯定，如果包括无脊椎动物的话，至少有1000种。,Animals are our friends.,We live(居住)in the same(相同)small world(世界).To love animals is to love ourselves(我们自己).,Before you read,1,Look at the photo,the questions in 3a and the title to the story on page 99.Then answer the questions below.,Who can you see in the picture?What does the passage may talk about?,1.A shark.,2.It may talk about the sharks.,Read the title,the first and last sentences in each paragraphs and match the main ideas.,Talk about shark fin soup.Sharks are endangered now.Appeal to people against eating shark fins.,Para.3 Para.1 Para.2,While you read,2,Read Paragraph 1 and judge the sentences.,Sharks fin（鱼鳍）soup is famous and expensive all around the world.Youre killing a whole shark when you enjoy a bowl of sharks fin soup.,F,T,Read Paragraph 2 and fill in the chart.,people enjoy _,fishermen _,_,then _,_decreased quickly,a bowl of shark fin soup,catch sharks,cut their fins,throw them into the ocean,The numbers of some kind of sharks,Read Paragraph 3 and judge the sentences.,WildAid and the WWF are environmental protection groups in China.Two environmental groups appeal to establish laws to stop sale shark fins.Sharks fins are good for health.,F,T,F,Read the passage about sharks and complete the fact sheet below.,3a,southern China,70 million,over 90 percent,WildAid&the WWF,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.,when,so,but,Although,if,Read the passage again and fill in the blanks with the words in the box.,3b,3,After you read,Retell the passage according to the words below.,sharks fin soup;in southern China;each time;cut off;no longer;not onlybut also;at the top;drop;be endangered;the strongest;around 70 million;fallen;by over 90 percent;WildAid and the WWF;develop laws;scientific studies,1.A shark can no longer swim and slowly dies.鲨鱼不能再游泳然后慢慢死掉。,no longer&no more“不再”no longer和notany longer 侧重时间 notany more 侧重程度和数量,Language points,Im no longer a student.我不再是个学生了。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表示并列，着重强调后者，“不仅而且”（also 可省略）若连接两个成分作主语，其谓语通常与靠近的主语保持一致not only放在句首，后接句子时要用倒装结构,She not only plays well,but also writes music.她不仅很会演奏，而且还会作曲。Not only men but also women were chosen.不仅仅是男的，女的也有被选中的。Not only had the poor man been fined,but also he had been sent to prison.这个可怜的人不仅被罚款，而且还被送进了监狱。,be harmful to 对 有害,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。,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),I looked at the top of his head,his hair shiny and parted smoothly.我看他的头顶,头发光亮,分得平滑。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.,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 常与number搭配的动词：grow,fall,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。,Quiz,注:另附word文档。点击此处链接,Translate and write them down.,甚至是河底都满是垃圾。2.这个方法不仅残酷还对环境有害。3.鲨鱼处于海洋食物链的顶部。,Even the bottom of the river was full of rubbish.,This is not only cruel,but also harmful to the environment.,Sharks are at the top of the food chain in the oceans ecosystem.,Check if you know these phrases.,1.把垃圾扔到河里2.在中起作用3.在中国南部 4.对有害5.在顶部 6.海洋生态系统,throw the rubbish into the river,play a part in,in southern China,be harmful to,at the top of,the oceans ecosystem,1.Review the new words and expressions youve learned today.2.Read the articles in Learning English.3.Write 5 measures to protect the environment.4.Preview the new words and expressions.5.Preview the Grammar Focus on page 4.,Homework,