人教新目标版英语九年级全册 Unit13 We’re trying to save the earth! Section A 2d-4b课件（54张PPT，无素材）

课件54张PPT。Unit 13
We're trying to save the earth!Section A (2d-4b)RevisionRead the listening text on P 146-147
and try to find the following sentences.1. 河底布满了垃圾。
2.渔民无鱼可捕。 3.它一直都是这个城镇最美的河流。4.工厂也正往河里倒废水。5. 每一个人都应该尽一份力,不仅仅是政府。6. 我认为一个问题就是空气被严重污染。7.我过去能清晰地看到星星 。8. 那些烧煤的工厂也释放出大量浓烟污染了空气。9.这正把漂亮的地方变成了丑陋的地方。
1. 河底布满了垃圾。
The bottom of the river was full of rubbish.
2.渔民无鱼可捕。
There were no more fish for fishermen to catch. 3.它一直都是这个城镇最美的河流。5. 每一个人都应该尽一份力,不仅仅是政府。4.工厂也正往河里倒废水。
Factories are also putting waste water into the river. It has always been the nicest river in this town.Everyone should play a part,
not just the government.9.这正把漂亮的地方变成了丑陋的地方。
This is turning beautiful places into ugly ones.8. 那些烧煤的工厂也释放出大量浓烟污染了空气。
Factories that burn coal also pollute the air with a lot of black smoke.7.我过去能清晰地看到星星 。
I used to be able to see the stars clearly. 6. 我认为一个问题就是空气被严重污染。
I think one problem is that the air is badly polluted.Read 2d and complete the chart.take the bus, subway or ride a bike instead of driving. bring a bag to go shopping.use chopsticks or forks at home.throw rubbish in the bins.2d1.解决问题
2.减少空气污染
3.代替开车
4.…的优势
5.没有任何代价
6.木质筷子
7.塑料叉子
8.外卖食物
9.保持....干净
10.公共场合
11.起作用，有影响
12.导致，引起cut down air pollutioninstead of drivingthe advantages of cost nothingwooden chopsticks plastic forkstakeaway foodkeep ...clean public placesmake a differencelead tosolve the problems Interviewer: Jason and Susan, what are your
ideas for______________________（解决这些问题? ）
Jason: Well, _____________________ (为了减少空气污染), we should take the bus or subway
___________________ (代替开车). Susan: Yeah, or ride a bike. There are other _________________________(骑自行车好处). It’s good for health and it doesn’t cost anything! Interviewer: Great ideas! What about ______________________ (废物污染)? solving these problemsinstead of drivingwaste pollutionto cut down air pollution advantages of bike ridingSusan: Mmm, I think simple things like
bringing a bag to go shopping can help. I started doing that a year ago. Jason: Me, too. Also, I never _____________________ or___________
(不拿木筷或塑料叉) when I _______________________ (买外卖食品).
I use the ones at home. take wooden chopsticksplastic forksbuy takeaway food.Susan: And ____________________________
____________(要记住，把垃圾扔在垃圾桶) and __________________________________
for everyone.保持公共场所整洁美观. Interviewer: So together, our actions can
_________________ (起作用) and
____________ (通向) a better future! remember to throw rubbishkeep public places clean and beautiful make a differencelead toin the binsSection A
3a【学习目标】：
一、听、说、读、写以下词汇：method, cruel, harmful,
low, industry, law, cut off shark, fin, chain, ecosystem
了解明白以下词汇及短语： be harmful to, at the top of ,
take part in, turn off, take action, throw away,
put sth. to good use, pull… down, bring back
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 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.
5）We’re trying to save the earth! The river
used to be so clean. The air is badly polluted.
【预习检测】：
鲨鱼________ 14.承担得起__________
2. 鱼鳍__________ 15. 关掉__________
3. 残酷的残忍的_____16. 可重复使用的_____
4. 有害的___________ 17. 付出代价________
5. 对…有害的_________ 18.采取行动
6.在…的顶部_________ _____________
7.链子，链条________19. 运输业__________
8.食物链______________ 20. 回收利用_______
9.生态系统____________
10. 工业，行业________
11.法律___________
12. 科学的____________
13. 参加______________
sharkfincruelharmfulbe harmful toat the top ofchainthe food chainecosystemindustrylawscientifictake part inaffordturn offreusablepay fortake actiontransportationrecycleWhat do you know about sharks?What do you know about sharks?live in the ocean
cute and huge
eat fishes, shrimps (虾) and crabs(蟹)
fins are very expensiveWhere do they live?
What do they look like ?
What do they eat …
Other information……the food chain
食物链
at the top of
在……顶端
ocean`s ecosystem
海洋生态系统Sharps are at the top of the food chain
in the ocean’s ecosystem
Although sharks are at the top of the food chain,
people ______ their fins and eat ______________.cut off
(把……砍下）shark fin soup
鱼翅汤So their numbers drop very low，
and become_______________.endangered (adj. 濒临灭绝的）So let`s help save the sharks! Look at the pictures and the topic of the passage.3a【课本阅读】：Fast reading:
1. Skimming 速读文章，找出段落大意。
Para 1 Bad things happen when people cut
off sharks` fins.
Para 2 Environmental protection groups
have done things to protect sharks.
Para 3 You’re killing a whole shark when you
enjoy a bowl of shark fin soup.
阅读策略：读每段的第一句话或最后一句话
in southern Chinaaround 70 millionto develop laws to stop
the sale of shark finsWildAid and the WWFRead the passage about sharks and complete the fact sheet below.3aRead the first paragraph and judge the sentences (T / F ). ( 2 minutes )
1. Shark`s 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 shark`s fin soup.FTin southern ChinaRead Paragraph 2 carefully and answer the following questions1、If a shark doesn`t have a fin,
what will happen?
2、If sharks` numbers drop too low,
what will happen?
3、Why are sharks endangered now?( 5 minutes )If a shark doesn`t have a fin, what will happen?
A shark can no longer swim and slowly dies.If sharks` numbers drop too low, what will happen?
It will bring danger to all ocean life.Why are sharks endangered now?
Around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.Read the Paragraph 3
and finish the sentencesWild Aid and the WWF are
__________________________________
around the world.2. The government should
________________to stop the sale
of shark fins .environmental protection groupsdevelop laws( 3 minutes )Save the sharksWhy?How?Results?can no longer swim, slowly diebe harmful to the environmentbring danger to all ocean lifeHow?”3aMind mapbe killed for shark
fin soupHow?catch…,cut off…,
throw back into…How?Teach the public about “finning”To develop laws to stop the
sale of shark fins.Summary1.听说
2.在中国南部
3.一碗鱼翅汤
4.割掉
5.扔回大海
6.不但…而且
7.对…有害处
8.不再
9.在食物链的顶端
10.在海洋生态系统中
11.在以后的20到30年间
12.环境保护组织
13.完善法律来阻止鲨鱼鳍买卖
14.科学研究hear ofin southern Chinaa bowl of shark fin soupcut offthrow… back into the oceannot only …but alsobe harmful tono longerat the top of the food chainin the ocean’s ecosystemin the last 20 to 30 yearsenvironmental protection groupsdevelop laws to stop the sale of shark fins 小组讨论scientific studiesLet’s learn some
Language pointsMany have heard of shark fin soup. This
famous and expensive dish is especially
popular in southern China. But do you realize
that you’re killing a whole shark each time
you enjoy a bowl of shark fin soup?
Read Paragraph 1 and learn it hear of=hear about 听说鱼翅汤in southern China= in the south of China 在中国南部地区每当…When people catch sharks, they cut off their
fins and throw the shark back into the ocean.
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 ocean’s ecosystem. If their numbers drop too low, it will bring danger to all ocean life.切掉不仅...而且...be harmful to /be bad for… 对……有害没有了鳍不再环境食物链在……的顶部海洋生态系统not only…but also…意为“不仅……而且……”;
用于连接两个表示并列关系的成分，着重强调后者，其中的also有时可以省略。 She not only plays well, but also writes music.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。
e.g. Not only you but also he ____(have) to leave.
不只是你，他也得离开。
Not only he but also you ____(have) to leave not only放在句首，后接句子时要用倒装结构。
but also 后句子用正常语序 e.g. Not only did he came here, but also he came early Many believe that sharks can never be endangered because they are the strongest in their food chain. But in fact, around 70 million sharks are caught and traded in this industry every year. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.
频临灭绝的实际上抓交易工业……的数量 （谓语单词用单数）超过百分之九十在过去的20到30年里（用现在完成时) 此句复数形式的numbers表达全海洋中鲨 鱼的
量。当表示数值的高或低时，number要用large
或small修饰。
区分a number of 和 the number of 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’s fins. So far, no scientific studies have shown that shark’s fins are good for health, so why eat them? Help save the sharks!environment-environmental 环保组织例如完善法律来停止鱼鳍的销售到目前为止（用现在完成时）科学研究1. Many people do not realize they are killing a
whole shark ______they enjoy a bowl of shark’s
fin soup.
2. Sharks are at the top of the food chain, ____
if their numbersdrop, the ocean’s ecosystem
will be in danger. After readingRead the passage again and fill in the blanks with the words in the box. sowhenso although if but when 3bMany 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.
5. Sharks may disappear one day ___ we do not do something to stop the sale of shark fins.
butAlthoughif 当堂检测1.很多人听说过鱼翅汤。
Many have heard of shark fin soup.
2.你正在杀死一整条鲨鱼。
You`re killing a whole shark.
3.这不仅残忍，而且对环境有害。
This is not only cruel , but also harmful to the environment.
4.它将给所有的海洋生物带来危机。
It will bring danger to all ocean`s life.
5.很多人认为鲨鱼不可能濒危。
Many people think sharks can never be endangered.6.有些种类的鲨鱼数量在过去的二三十年里减少了
百分之九十。
7.鲨鱼被捕捉并被交易。
Sharks are caught and traded in this industry.
8.教育公众有关割鱼鳍的行为。
They are teaching the public about finning.The number of some kinds of sharks have fallen by 90 percent in the last 20 to 30 years 10.他们已经要求政府应制定法律阻止鱼翅销售。
They have even asked governments to develop laws to stop the sale of shark fins.
11.目前为止，没有研究表明鱼翅有益健康。
So far no scientific studies have shown that shark fins are good for health. Save the Sharks!
Many __________ (hear) of shark fin soup.
This famous and expensive dish ___(be)
especially popular in ________(south) China.
But do you ______(realize) that you __________ (kill) a whole shark each time you _____(enjoy)
A bowl of shark fin soup?
When people catch sharks, they ____ (cut) ___ their fins and ______(throw) the shark back
into the ocean. This is not only cruel,
but also ________ (harm) to the environment. Without a fin, a shark can no longer _____
(swim) and ______ (slow) _____(die).
have heardisrealizeare killingenjoycutoffthrowswim diesharmfulslowlysouthern Sharks are at the top of the food chain in the ocean’s ecosystem. If their numbers _____ (drop) too low, it ________ (bring) ________ (dangerous) to all ocean life. Many believe that sharks can never be __________ (endanger) because they are the _______ (strong) in their food chain. But in fact, around 70 million sharks _________ (catch) and ______ (trade) in this industry every year. The numbers of some kinds of sharks _________ (fall) by over 90 ______ (percent) in the last 20 to 30 years.dropwill bringendangeredare caughttradedhave fallen dangerpercentstrongest______________________(环境保护)groups around the world, _____ __ WildAid and the WWF, ___________ (teach) the public about finning. They _____even _____ (ask) governments ___________(develop) laws ______ ( stop) the ____ (sell) of shark fins.
So far, no __________ (science) ______ (study) __________ (show) that shark fins are good for health, so why eat them? Help _____(save) the sharks!
to developto stophave shownsavesuch asare teachinghaveaskedEnvironmental protectionsalescientificstudiesHomework:Writing a letterIn your letter ,describe the environmental problems in your town / city .
What are the problems ?
Where are they ?
What or who is causing these problems ?
Then give suggestions or possible ways to solve the problems .Unit 13
We're trying to save the earth!SectionA1(1a-1c)Grammar Focus1.We are trying to save the earth.
2.The river used to be so clean.
3.The air is badly polluted.
4.No scientific studies have show that shark
fins are good for health.
5.We should help save the sharks.Present progressiveUsed to Passive voice Present perfect Modal verbs Joe: _____you ever _____ (take) part in an
environmental project?
Ken: Yes, I have. I _____ (help) with a Clean-Up
Day last year. It was __________(consider)
the biggest clean-up project this city ever
________(have).Fill in the blanks with the correct forms of the verbs in brackets.Have taken helpedconsideredhad had4aJoe: How many people ______ (take) part?
Ken: I _____ (think) more than 1,000 people
_____(come) to help out.
Joe: That’s fantastic! I guess everyone in this city
is _______ (try) to improve the environment.
Ken: Yes, we can't afford to _____ (wait) any
longer to take action!tookthinkcametryingwaitFill in the blanks with the appropriate modal verbs from the box. People __________ think that big things ___________________ be done. However, many forget that saving the earth begins with small things. For example, you _____ save electricity by turning off the lights when you leave a room. You _______ also use paper or reusable bags instead of plastic bags. can could would have to should must may/mightmay/ mightshould / have to / must can/could/should4bcan / shouldI think it’s a great idea that you now ______
pay for plastic bags in some stores. And
instead of driving to school or work, you
________________ ride your bike or walk. If
it’s fair, you _______ take the bus. All these
small things ______ add up and become big
things that _______ improve the environment.
Let’s take action now!have to can / couldshould / can / could can / could would/ can /couldHomework 复习今天所学的内容。预习2d。
记unit12 sectionB单词，明天听写。