人教版英语九年级下册课件Unit 13 Section A (3a-4c)
5. Sharks may disappear one day _i_f_ we do not do something to stop the sale of shark fins.
不只是你，他也得离开。
not only放在句首，后接句子时要用倒装结构。 e.g. 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 e.g. Smoking is harmful to health.
Unit 13 We’re trying to save the earth!
Section A (3a-4c)
学习目标
Key words & phrases:
cruel, harmful, be harmful to, industry, law, scientific,
take part in, afford, turn off, reusable, pay for, take action Key sentences:
Retell the passage according to the words below.
shark fin soup in southern China
each time
cut off
no longer
not only…but also…
at the top
drop
be endangered the strongest
good for health.
Lead in
Save the earth! Save the animals.
The zoos provide homes for many endangered animals.
1. Have you ever seen a shark（鲨鱼）?
2. What do you know about sharks?
southern China 70 million
How governments can help
develop laws to stop the sale of shark fins
Two environmental groups against “finning”
WildAid and the WWF
1. A shark can no longer swim and slowly dies. 2. This is not only cruel, but also harmful to
the environment. 3. No scientific studies have shown that shark fins are
= He doesn’t live here any longer. 他不在这儿居住了。(过去某段时间他住 在这儿，过了这段时间，他就离开了。) not…any more侧重程度和数量。
e.g. You can drink no more.
= You can’t 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。)
吸烟有害健康。 Playing computer games too 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 ocean’s ecosystem. 鲨鱼位于海洋生物系统食物链的顶部。
e.g. The number of families that own cars has been growing quickly recently. 近来拥有轿 车的家庭数量增长很快。
Hale Waihona Puke 5. Environmental protection groups around
the world, such as WildAid and the WWF,
4. If their numbers drop too low, it will bring
danger to all ocean life. 如果它们的数目降至过低，会给所有海洋生物 带来危险。 此句复数形式的numbers表示全海洋中鲨鱼的 总量。要表示数值的高或低时，number要用 high或low修饰。
2. Sharks are at the top of the food chain, _s_o__ if their numbers drop, the ocean’s ecosystem will be in danger.
adj. 科学上的，科学的
3. Many think that sharks are too strong to be endangered, __b_u_t_ they are wrong.
Joe is used to drinking a cup of coffee every morning.
Translation. 1. 她过去常常周末和朋友闲逛。
She used to hang out with friends on weekends. 2. 他习惯于每天晚上熬夜。
He is used to staying up every night.
e.g. In that country, the number of children going to school is higher in cities than that in towns and villages. 在那个国家，城市儿童入学人数比乡镇及 农村要高。 常与number搭配的动词有grow, fall等。
e.g. She not only plays well, but also writes music. 她不但很会演奏，而且还会作曲。
Not only I but also Tom likes watching TV. 不仅仅我，汤姆也喜欢看电视。
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 has to leave.
used to Passive voice Present perfect
We should help save the sharks.
Modal verbs
现在进行时: Present Progressive
定义：表示说话时(瞬间)正在进行 的动作, 也表示目前或现阶段 正在进行的动作。
结构: be (am/is/are) + v.-ing 标志词：look, listen, now, right now… e.g. Look! The boy is crying.
2. This is not only cruel, but also harmful to the environment. 这不但残忍而且对环境有害。
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，其意为“不仅……而且……”; 其中的also有时可以省略。
Grammar Focus
We’re trying to save the earth.
Present progressive
The river used to be so clean. The air is badly polluted.
No scientific studies have shown that shark fins are good for health.
被动语态：Passive voice
定义：表示主语是动作的承受者，即行 为动作的对象的一种语态。
结构：be + 过去分词 e.g. A new school was built last year.
Our classroom is cleaned every day.
Translate the sentences by using Passive voice. 1. 刚才一些老年人参观了博物馆。
are teaching the public about “finning”. 世界各地的环境保护组织，如野生救援协 会和世界自然基金会，都在教育公众有关 “猎翅”的行为。 1) 句中fin本为名词，指 “鱼鳍”。此句中的 finning是由动词化的fin（割鲨鱼鳍以获取 鱼翅）的-ing形式转化而成，指课文中所 陈述的 “猎翅”这一行为。
What a fine day today! Look! What are they doing?
used to do与be used to doing
used to do sth. 表示过去常常做某事, 而现 在往往不做了, 后接动词原形。
be used to doing sth. 表示习惯于做某事。 e.g. I used to get up at six o’clock.
Presentation
3a Read the passage about sharks and complete the fact sheet below.
Where shark fin soup is popular
Number of sharks caught and traded every year
no longer意思是“不再”。 e.g. I’m no longer a student.
人教版九年级英语下册Unit 13 Section A (Grammar Focus~4c)教案
Unit 13 We’re trying to save the earth!Section A (Grammar Focus~4c)教学目标【知识与技能】1. 掌握句型：We should help save the sharks.2. 掌握本课单词和短语：afford, reusable, transportation, take part in, turn off, take action3. 掌握本课语法：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
【情感、态度与价值观】有环境危机意识，学会关注环境保护环境。
教学重难点【教学重点】掌握句型：1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
2）保护环境的措施方法。
【教学难点】能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。
教学过程Step 1 RevisionReview the words and phrases.Step 2 Grammar FocusPay attention to the sentences.1) We’re trying to save the earth.2) The river used to be so clean.3) The air is badly polluted.4) No scientific studies have shown that shark fins are good for health.5) We should help save the sharks.1. 现在进行时: Present Progressive定义：表示说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。
结构: be (am/is/ are) + v.-ing标志词：Look, Listen, now, right now…e.g. Look! The boy is crying.2. used to do与be used to doingused to do sth. 表示过去常常做某事, 而现在往往不做了, 后接动词原形。
人教版英语九年级Unit13We’retryingtosavetheearth!SectionA(3a—4c)课件
【知识构建】 现在完成时的用法 :1. 表示过去发生或已经完成的动作对 现在造成的影响或结果。 2. 表示从过去已经开始 , 一直持续到 现在的动作或状态。 时间状语 :already,yet,never,for+ 时间状语 ,since+ 表过去的时间 点等。 Ihavealreadyfinishedmyhomework. 我已经做完我的家 庭作业了。
1.takepartin参加
【语境领悟】
*Howmanypeopletookpartin? 多少人参加了? *ShejoinedtheYoungPioneers. 她加入了少先队。 *Willyoujoinusinthediscussion? 你要参加我们的讨论吗?
【妙辨异同】“参加”的不同表达
【归纳拓展】
和 usedtodo 结构相似的表达还有 be/get/becomeusedtodoing 和 beusedtodo。 (1)be/get/becomeusedtodoing意为“习惯于做……”。 Mygrandfatherisusedtogoingforawalkafterdinner. 我爷爷习惯晚饭后去散步。 (2)beusedtodo 意 为 “ 被 用 来 做 ” , 是 被 动 语 态 , 相 当 于 beusedfordoing。
1.Whereisthesharkfinsoup especiallypopular?
九年级英语下册 Unit 13 第2课时(A 3a-4c)课件
around the world. ×
2. We have to kill a whole shark to get a bowl of
shark fin soup. √
Read the second paragraph.
Unit 13 We’re trying to save the earth!
Section A 3a-4c
New words
cruel harmful industry law scientific afford
残酷的；残忍的(adj.) 有害的(adj.) 工业；行业 (n.) 法律；法规(n.) 科学上的；科学的(adj.) 承担得起；买得起(v.)
Where shark fin soup is popular In southern China
Number of sharks caught and
traded every year
Around 70 million
How governments can help
Two environmental groups against “finning”
Grammar
Focus
We’re trying to save the earth.
Present progressive
The river used to be so clean.
used to
The air is badly polluted.
Passive voice
No scientific studies have shown that shark fins are good for health.
2021年人教版九年级英语下册unit13 sectionA(1a--2d)精品课件
The river was __r_e_a_l_ly__d_ir_t_y__. Even the bottom (底部) of the river was full of _r_u_b_b_i_s_h__. There were no more __f_i_sh__ for fishermen (渔民) to catch.
THE END 17、一个人如果不到最高峰，他就没有片刻的安宁，他也就不会感到生命的恬静和光荣。2021/2/42021/2/42021/2/42021/2/4
谢谢观看
Listen and answer the questions.
1.Why doesn’t Mark want to go swimming with Tony?
Because the river is very dirty.
2. How was the river in the past?
It used to be so clean.
• 14、Thank you very much for taking me with you on that splendid outing to London. It was the first time that I had seen the Tower or any of the other famous sights. If I'd gone alone, I couldn't have seen nearly as much, because I wouldn't have known my way about.
。2021年2月4日星期四2021/2/42021/2/42021/2/4
人教版九年级英语下册Unit13课件
一人
个云
在：
路“
上读
。万
”卷
从书
古，
至行
今万
，里
学路
习。
和”
旅今
行人
都说
是：
相“
辅要
相么
You made my day!
成读 的书
两，
件要
事么
1. The street __i_s __ __f_u_l_l _ __o_f__ (充满了) rubbish.
2. _L__it_te_r_i_n_g__ (litter) causes pollution. 3. Factories are putting __p__ol_l_u_te_d____ (pollute) water into the river.
the problem? ________. These were no more ________ for fishermen to catch.
People are throwing _______ into the What caused river.
the problem? Factories are putting _______ into the river.
7. 根据汉语意思完成句子。
不要将房间弄得乱糟糟的。
__D_o_n__'t_ _l_it_t_e_r__ _u__p___ the room.
8. She painted herself thick and _A_____.
A. ugly
B. uglify
C. uglily
D. ugliness
有古
How should the problem be solved?
(新人教版)英语九年级全册：Unit 13 全单元ppt课件(223页)
Listen again and check (√) the sentences you hear.
√ √
1. We could go fishing in the river. 2. The river was really dirty. 3. The river has always been the nicest river in this town. 4. We should ask the teachers for help.
mobile phone pollution
litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废弃物
People should throw away litter in the bin.
n. 垃圾箱
noise pollution There are more cars on the road.
litter和rubbish都可指“垃圾”，用作 不可数名词。 rubbish指“没用的东西(被扔或将要丢 弃的无用的东西)‖不可回收。
litter指“(室内或公共场所)乱扔的废物 (纸屑、不要的包装纸、废瓶等)‖还可 回收。 e.g. Throw the rubbish out. 把垃圾扔出去。 The room is full of rubbish. 房间里堆满了垃圾。 Pick up your litter after a picnic. 野餐后将废弃物收拾好。
Everyone in this town should play a part in cleaning it up!
Make conversations using the pollution in 1a. The river has always been the nicest river in this town. Yes, it used to be so clean.
人教版英语九年级全一册教案：Unit13SectionA（3a-4c）
第 1 页 Unit13 SectionA （3a-4c ） 教案1.0 Teaching analysis 教情分析1.1 Teaching objectives 教学目标 1.1.1 Language goals 语言目标1.1.1.1 Key Words and Chunks1.1.1.1.1 For applying: cruel, harmful, be harmful to, at the top of, industry, law, scientific, take part in, afford, turn off, pay for, take action1.1.1.1.2 For comprehending: shark, fin, chain, the food chain, ecosystem, reusable, transportation1.1.1.2 Sentence Structures1) M any have heard of shark fin soup.2) B ut do you realize that you’re killing a whole shark ut do you realize that you’re killing a whole shark each time you enjoy a each time you enjoy abowl of shark fin soup?3) T his is not only cruel, but also harmful to the environment.4) S harks are at the top of harks are at the top of the food chain in the ocean’s ecosystem.the food chain in the ocean’s ecosystem.5) I f their numbers drop too low, it will bring danger to all ocean life.6) W ithout a fin, a shark can no longer swim and slowly dies.7) T he numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.8) T hey have even asked governments to develop laws to stop the sale ofshark fins. 9) S o far, no scientific studies have shown that shark fins are good for health,so why eat them?10) We We can’t can’t can’t afford to wait any longer to take action! afford to wait any longer to take action!1.1.1.3 Grammar Focus1） But do you realize that you’re killing a whole shark But do you realize that you’re killing a whole shark each time you enjoy a each time you enjoy abowl of shark fin soup? (each time 引导时间状语从句，意为“每当…”) 2） This is not only cruel, but also harmful to the environment. (notonly…but also…连接两个并列成分，意为“不仅…而且…”)3） So far, no scientific studies have shown that shark fins are good for health,so why eat them? (so far 意为“到目前为止”，是现在完成时的标志)4） Without a fin, a shark can no longer swim and slowly dies. (no longer 意为“不再”，等于not … any longer)1.1.2 Ability goals 能力目标1.1.2.1 To review the present perfect tense and the passive voice.1.1.2.2 To enable Ss to learn some of the key words and expressions in the reading passage.1.1.2.3 To cultivate Ss to read for specific ideas and the structure of the passage.1.1.3 Emotional goals 情感目标1.1.3.1 To help Ss understand the present situation of sharks.1.1.3.2 To raise Ss’ awareness of protecting animals. 1.2 Important and difficult teaching points 教学重难点1.2.1Enable Ss to learn and apply the sentence patterns. 1.2.2 Enable Ss to know the sharks are in danger.1.2.3 Guide Ss to help save the sharks.2.0 Student analysis 学情分析2.1 Fundamental State 基本情况通过本单元第一课时的学习，学生基本上激活了已有的语言知识，对本单元的话题（pollution and environmental protection ）已经有所感知，对于environmental problems, how to solve air pollution, how to solve waste pollution 等内容有了更深入的学习。
人教版九年级英语下册 Unit 13 Section A(3a-4c)课件
endangered, are caught, have fallen, have shown
Grammar Focus
We’re trying to save the earth. The river used to be so clean.
Present progressive
used to
The air is badly polluted.
Passive voice
No scientific studies have shown Present that shark fins are good for health. perfect
What should we do? Let’s come to 3a.
Read for the general idea of 3a.
The general idea of the article is about__B__. A. air pollution B. the sharks C. water pollution
Two environmental groups
against “finning”
In Southern China. Around 70 million. Over 90 percent.
WildAid and the WWF.
3b. Read the passage again and fill in the blanks with the words in the box.
5. Sharks may disappear one day____i_f_____ we do not do something to stop the sale of shark fins.
Unit13 SectionA (3a-4c)分层练习设计-九年级英语人教版全册
Unit 13 We’re trying to save the earth!SectionA (3a-4c)I. 单项选择：（BC层学生必做，A层选做或不做）( )1. ---How long _________ the film _________?---For about ten minutes.A. did; beginB. has; begunC. has; been onD. has; been ( )2. ---Hello, Jack. Haven’t seen you for long. I’m calling to check _______ you are.----Very well. I’m gald you called.A. howB. whatC. whereD. who( )3. They ______ many happy hours ______ along the beach during that holiday.A. spend; walkingB. spent; walkingC. cost; walkingD. gave; walking ( )4. It’s _________ to play o nthe road. You’d better play in a _________ place.A. safe; dangerousB. safety; dangerC. safe; dangerD. dangerous; safe ( )5. The children were made ________ homework first.A. doB. to doC. didD. doing( )6. Don’t forget ___________ the tap when you don’t use it.A. turn offB. turn onC. to turn onD. to turn off ( )7. We should stop people ________water.A. to wasteB. wastingC. wasteD. from wasting ( )8. In the exam, the __________you are, the ___________ mistakes you’ll make.A. carefully; littleB. more carefully; fewestC. more careful; fewerD. more careful; less( )9. ---Can you catch what I said?---Sorry, I can __________ understand it.A. almostB. hardlyC. nearbyD. never( )10. ---I think recycling books and paper is useful.----____________________A. I quite agreeB. I have no ideaC. We shouldn’t use such things.D. That’s a good idea.II. 根据句意、汉语意思或首字母等提示补全单词。
人教版九年级下册英语Unit13-Section A 第2课时(3a～4c)
Section A 第2课时（3a~4c）李度一中陈海思类别学习重点重点单词cruel, harmful, industry, law, scientific, afford重点短语hear of, cut down, be harmful to, the food chain, at the top of, take part in, turn off, pay for, take action重点句式1. But in fact, around 70 million sharks are caught and traded in this industry every year.2. The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years.3. So far, no scientific studies have shown that shark fins are good for health, so why eat them?课前预习写一写1.残酷的cruel2.有害的harmful3.工业industry4.法律law5.科学的scientific6.买得起afford译一译1.听说hear of2.切掉cut off3.食物链the food chain4.对……有害be harmful to5.在……顶部at the top of背一背1.有些种类的鲨鱼的数量在最近二三十年中下降了百分之九十以上。
The numbers of some kinds of sharks have fallen by over 90 percent in thelast 20 to 30 years.2.到目前为止，没有科学研究表明鲨鱼的鱼鳍对健康有益，所以为什么吃它们呢？So far，no scientific studies have shown thatshark fins are good for health,so why eat them?新课导入Teacher: Have you heard of the shark fin soup? It comes from sharks. People catch the sharks, cut off the fins and throw the sharks back into the ocean. They are cruel and destroying the envronment. If you want to learn more about it, let's learn the passage on P99.新课展示【完成教材3a~3b的教学任务】1.要求学生快速默读短文，熟知大意，并完成课本3a的任务，然后邀请几位同学给出自己的答案，全班一起检查讨论。