unitWearetryingtosavetheearthSectionAab时学习课程

1、 Read the passage about sharks and complete the fact sheet below.3a3a第1页/共42页第一页，编辑于星期日：七点 二十分。Many have heard of sharks fin soup. Thisfamous and expensive dish is especiallypopular in southern China. But do you realizethat youre killing a whole shark each timeyou enjoy a bowl of sharks fin soup?Whe

2、n people catch sharks, they cut off theirfins and throw the shark back into the ocean.第2页/共42页第二页，编辑于星期日：七点 二十分。 This is not only cruel, but also harmful to the environment. Without a fin, a shark can no longer swim and slowly dies. Sharks are at the top of the food chain in the oceans ecosystem. If

3、 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. 第3页/共42页第三页，编辑于星期日：七点 二十分。But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of

4、some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.第4页/共42页第四页，编辑于星期日：七点 二十分。 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 shark

5、s fins. So far, no scientific studies have shown that sharks fins are good for health, so why eat them? Help save the sharks!第5页/共42页第五页，编辑于星期日：七点 二十分。Where shark fin soup is popularNumber of sharks caught and traded every yearhow much the numbers of some kinds of sharks have fallen in the last 20-3

6、0 yearsTwo environmental groups against finningsouthern China 70 millionover 90 percentWildAid and the WWF第6页/共42页第六页，编辑于星期日：七点 二十分。Lets do this to review the text ! Some people like to eat sharks fin soup, especially in _China. But getting the s harks fin is very _. When people catch sharks, they _

7、 _their fins and throw the sharks into the ocean. The shark slowly dies because it cant _ without the fin. And it is also _ to environment. Sharks are at the _ of the food chain. If the number of sharks drops too low, it will break the balance of nuture. Please say no to eating the shark fin soup, a

8、nd take action to save the sharks! southern cruel cut off swim harmful top第7页/共42页第七页，编辑于星期日：七点 二十分。Lets learn somelanguage points第8页/共42页第八页，编辑于星期日：七点 二十分。harmful 形容词，意为“有害的”。常构成短语be harmful to “对有害的”。Staying up often is harmful to your health. 经常熬夜对你的健康有害。【拓展】harm 名词，意为“害处”。常用构成短语do harm to “对有害”，

9、相当于be harmful to. Too much smoking does harm to his health. = Too much smoking is harmful to his health. 吸烟过多对他的健康有害。第9页/共42页第九页，编辑于星期日：七点 二十分。改为同义句。Reading in the sun does harm to our eyes. Reading in the sun _ _ _ our eyes. is harmful to第10页/共42页第十页，编辑于星期日：七点 二十分。辨析：join, join in 和take part in toj

10、oin加入组织，团体，党派等，有加入组织，团体，党派等，有作为其中的一个成员的含义作为其中的一个成员的含义;后面也可以加表示人的名词，后面也可以加表示人的名词，表示和某人一起参加某活动表示和某人一起参加某活动join in 加入一种具体活动。加入一种具体活动。take aprt in指参加会议或群众性活动等，指参加会议或群众性活动等，着重说明句子主语参加该项活着重说明句子主语参加该项活动并在活动中发挥作用。动并在活动中发挥作用。第11页/共42页第十一页，编辑于星期日：七点 二十分。Will you join us in the discussion? 你参加我们的讨论吗？ She joine

11、d the Young Pioneers. 她加入了少先队。 Why didnt you join in the talk last night? 昨晚你为什么没参加座谈？Did you take part in the sports meet? 你参加运动会了吗？第12页/共42页第十二页，编辑于星期日：七点 二十分。1. Have you _ a club? Yes, Im in a swimming club and I often _ the swimming training. A. joined; take part in B. joined; join C. taken part

12、 in; join D. taken part in; join in 2. Were going for a picnic. Would you like to_ us? Why not? Lets go! A. attend B. join C. join inD. take part in 第13页/共42页第十三页，编辑于星期日：七点 二十分。 afford是动词，意为“买得起,担负得起”，通常与can, could, be able to连用,多用于否定句中。They couldnt afford $50 for a ticket. 他们拿不出50美元买一张票。 afford后面常跟

13、带to的动词不定式。We cant afford to go abroad this summer. 今年夏天我们没有足够的钱出国。例句：Miss Taylor never wastes money on anything too expensive, even though she can _to. She has donated much of the money she saved to charities. A. affordB. allow C. remind D. pay第14页/共42页第十四页，编辑于星期日：七点 二十分。1. Many people do not realiz

14、e they are killing a whole shark _they enjoy a bowl of sharks fin soup.2. Sharks are at the top of the food chain, _if their numbersdrop, the oceans ecosystem will be in danger. Read the passage again and fill in the blanks with the words in the box. sowhen3b3bso although if but when 第15页/共42页第十五页，编

15、辑于星期日：七点 二十分。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. butAlthou

16、ghif 第16页/共42页第十六页，编辑于星期日：七点 二十分。3 3a aMany have heard of sharks fin soup. This famous andexpensive dish is especially popular in southern China. 1) hear 为及物动词，“听到”，表结果。e.g. I can hear you clearly.我能清楚听到你说的话。2) hear of hear about hear about和 hear of “听别人说”常可互换，hear about“听到的详细” 听到的内容更详细一些，hear of （指

17、间接的听到）听别人说起或提及e.g. No one in the town had heard of him.e.g. Have you heard of / about the accident?第17页/共42页第十七页，编辑于星期日：七点 二十分。3) hear from 一般后接 sb. 指“收到来信”。e.g. Have you heard from Jim?你收到吉姆的来信了吗?第18页/共42页第十八页，编辑于星期日：七点 二十分。But do you realize that youre killing a wholeshark each time you enjoy a bo

18、wl of sharks finsoup?第19页/共42页第十九页，编辑于星期日：七点 二十分。When people catch sharks, they cut off theirfins and throw the shark back into the ocean.第20页/共42页第二十页，编辑于星期日：七点 二十分。This is not only cruel , but also harmful to theenvironment.&.harmful (adj)“有害的，不利的”常用短语be harmful to sb /sth “对某人、某物有害”e.g. The a

19、ir pollution is harmful to our health?空气污染对我们的健康有害e.g. Dont you think smoking is harmful tohealth?难道你不认为吸烟有害健康吗？第21页/共42页第二十一页，编辑于星期日：七点 二十分。Sharks are at the top of the food chain in the oceans ecosystem. 第22页/共42页第二十二页，编辑于星期日：七点 二十分。If their numbers drop too low, it will bring danger to all ocean

20、life. 第23页/共42页第二十三页，编辑于星期日：七点 二十分。Many believe that sharks can never be endangered because they are the strongest in their food chain. 第24页/共42页第二十四页，编辑于星期日：七点 二十分。But in fact, around 70 million sharks are caught and traded in this industry every year. &.70 million “七千万”million数词“百万”用法与数词hundre

21、d“百”thousand“千”billion“十亿”1）与具体数字连用，用单数two hundred两百 three million 三百万2) 当表示不确定的泛指数目时，要用复数，且后接介词of 如hundreds of “数以百计的，成百上千的”thousands of “数发千计的，成千上万的”millions of “数百万的”第25页/共42页第二十五页，编辑于星期日：七点 二十分。e.g. There are hundreds of books on the desk.桌子上有几百本书e.g. The sun was shining .Thousands of people wer

22、e lying on the beach. 阳光灿烂，数以千计的人躺在海滩上第26页/共42页第二十六页，编辑于星期日：七点 二十分。&.industry (n)“工业” industrial(adj)“工业的” e.g. New industries are springing up in Asia.新工业正在亚洲兴起第27页/共42页第二十七页，编辑于星期日：七点 二十分。The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.&.some k

23、inds of 固定短语，后跟名词“几种”e.g. He has some kinds of fishes at home.他家里养着几条鱼&.kind 短语1)Kind of + 形容词“有点”相当于a little/ a bit/ a little bit.e.g. Im kind of hungry.我有点饿了2) many kinds of +名词“很多种”，this/ that kind of +名词“这/那一种” e.g. This kind of film is not popular.这种电影不受欢迎第28页/共42页第二十八页，编辑于星期日：七点 二十分。3) all

24、 kinds of +名词“各种各样的”e.g. She likes all kinds of flowers.她喜欢各种各样的花。4)different kinds of +名词“不同种类的”e.g. There are different kinds of books in the bookshop.这家书店里有各种不同种类的书籍5) be kind to sb “对某人友好”相当于 be friendly to sb e.g. We must be kind to wild animals in order to protect them.我们必须友好对待野生动物，这样才能保护它们。6)

25、 a kind of “一种”e.g. An apple is a kind of fruit.苹果是一种水果第29页/共42页第二十九页，编辑于星期日：七点 二十分。 Environmental protection groups around the world, such as WildAid and the WWF, are teaching the public about “finning”. 第30页/共42页第三十页，编辑于星期日：七点 二十分。So far, no scientific studies have shown that sharks fins are good

26、for health, so why eat them? Help save the sharks!第31页/共42页第三十一页，编辑于星期日：七点 二十分。Two environmental groups against finning&.against (prep)“反对，对着，违反”后接动词ing 作宾语be against“反对”反义词组：be for “支持”e.g. We are all against his idea.我们都反对他的想法e.g. He spoke against the new law.他发言反对新法律e.g. Im against doing anyt

27、hing till the police arrive.我反对在警察来之前采取任何行动第32页/共42页第三十二页，编辑于星期日：七点 二十分。3 3b bSharks are at the top of the food chain, ,so if their numbersdrop, the oceans ecosystem will be in danger.第33页/共42页第三十三页，编辑于星期日：七点 二十分。Many think that sharks are too strong to beendangered, but they are wrong.第34页/共42页第三十四

28、页，编辑于星期日：七点 二十分。练习题练习题第35页/共42页第三十五页，编辑于星期日：七点 二十分。I. 用方框中词的适当形式完成下面的句子。(1) I think its _ to make such a young boy work all day. (2)The poor fisherman cant _ his childrens education. (3) I think the government must develop _ to protect environment. (4) Eating too much junk food is _ your health. (5)

29、 He can use different _ to work out the problem. method, cruel, harmful, afford, lawcruelaffordlawharmfulmethod第36页/共42页第三十六页，编辑于星期日：七点 二十分。II. 单项选择。1. Are you going to _ any of the events? Yes. Maybe long jump and high jump. A. take part inB. joinC. attend D. join in 2. I cant afford _ him an expensive birthday present. A. to buyB. buyi