九上Unit_13_We_are_trying_to_save_the_earth!Section_A2.ppt

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1、Section APeriod Twosharkfincruelharmfulbe harmful toat the top ofchainthe food chainecosystemindustrylawscientificn. 鲨鱼鲨鱼n. (鱼)鳍(鱼)鳍adj. 残酷的;残忍的残酷的;残忍的adj. 有害的有害的对对.有害的有害的在在.顶部或顶端顶部或顶端n. 链子;链条链子;链条食物链食物链n. 生态系统生态系统n. 工业;行业工业;行业n. 法律;法规法律;法规adj. 科学上的;科学的科学上的;科学的Words Review自治区、直辖市重点保护野生动物名录的自治区、直辖市重点

2、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,我国的濒危动展和生态环境的日益恶化,我国的濒危动物种类还会增加。物种类还会增加。 改革开放以来,我国改革开放以来,我国进口了不少动物,如湾鳄、暹罗鳄、食蟹进口了不少动物,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,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,至少有如果包括无脊椎动物的话,至少有1000种。种。Animals are our friends.We live (居住居住)

3、 in the same(相相同同) small world(世界世界). To love animals is to love ourselves(我们自己我们自己).1 1Look at the photo, the questions in 3a and the title to the story on page 99. Then answer the questions below.1. Who can you see in the picture?2. What does the passage may talk about?1. A shark.2. It may talk ab

4、out 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. 2Save the sharksbe killed for shark fin soupWhy?How?catch,cut off, throw ba

5、ck intoResults?can no longer swim, slowly diebe harmful to the environmentbring danger to all ocean lifeHow?Teach the public about “finning”To develop laws to stop the sale of shark fins.No scientific studies have shown that shark Fins are good for health.3aMind map2 2Read Paragraph 1 and judge the

6、sentences.Sharks fin(鱼鳍)(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.FTRead Paragraph 2 and fill in the chart.people enjoy _fishermen _, _, then _decreased quicklya bowl of shark fin soupcatch sharks cut their finsthrow th

7、em into the oceanThe numbers of some kind of sharksRead Paragraph 3 and judge the sentences.1.WildAid and the WWF are environmental protection groups in China.2. Two environmental groups appeal to establish laws to stop sale shark fins.3. Sharks fins are good for health.FTFRead the passage about sha

8、rks and complete the fact sheet below.3a3aWhere 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 to 30 yearsTwo environmental groups against “finning”southern China70 millionover 90 percentWildAid & the WWF1

9、. 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

10、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.whensobutAlthoughifRead the passage again and fill in the blanks with the words in the box.3b3b3 3Retell the passage

11、 according to the mind map.1. A shark can no longer swim and slowly dies. 鲨鱼不能再游泳然后慢慢死掉。鲨鱼不能再游泳然后慢慢死掉。no longer &no more “不再不再” no longer和和notany longer 侧重时间侧重时间 notany more 侧重程度和数量侧重程度和数量Im no longer a student. 我不再是个学生了。我不再是个学生了。 You can drink no more. = You cant drink any more. 你不能再喝了。你不能再喝了。(喝酒的量

12、到了一定程度,不喝酒的量到了一定程度,不能再继续下去了。能再继续下去了。) 2. This method is not only cruel, but also harmful to the environment.这种方法不这种方法不但残忍而且对环境有害。但残忍而且对环境有害。 not onlybut also 表示并列,着重强调后者,表示并列,着重强调后者,“不仅不仅而且而且” (also 可省略)可省略) 若连接两个成分作主语,其谓语通常与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靠近的主语保持一致 not only放在句首,后接句子时要用倒放在句首,后接句子时要用倒装结构装结

13、构She not only plays well, but also writes music.她不仅很会演奏,而且还会作曲。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。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,而且还被送这个可怜的人不仅被罚款,而且还被送进了监狱。进了监狱。 be harmful to 对对 有害有害Smoking

14、is harmful to the health. 吸烟有损健康。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。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。鲨鱼位于海洋生物系统食物链的顶部。 at the top of 在在.最高地位最高地位; 用最高用最高最大最大的的(速度速度, 声音等声音等) I looked at the top of his

15、 head, his hair shiny and parted smoothly. 我看他的头顶我看他的头顶, 头发光亮头发光亮, 分得平滑。分得平滑。He shouted at the top of his voice in order that he might be heard.他尽力大声叫喊他尽力大声叫喊, 以便别人能听见。以便别人能听见。4. If their numbers drop too low, it will bring danger to all ocean life. 此句复数形式的此句复数形式的number表达全海洋中鲨表达全海洋中鲨鱼的总量。当表示数值的高或低时,

16、鱼的总量。当表示数值的高或低时,number要用要用high或或low修饰修饰 常与常与number搭配的动词: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在那个国家,城市儿童入学人数比乡镇及农村要高。及农村要高。Translate and write them down.1.甚至是河底都满是垃圾。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。这个方法不仅残酷

17、还对环境有害。3.鲨鱼处于海洋食物链的顶部。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.1.1.把垃圾扔到河里把垃圾扔到河里2.2.在在中起作用中起作用3.3.在中国南部在中国南部 4.4.对对有害有害5.5.在在顶部顶部 6.6.海洋生态系统海洋生态系统throw the rubbish into the riverplay a part inin southern Chinabe harmful toat the top ofthe oceans ecosystem1. 练习册练习册

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