中小学教育资源及组卷应用平台
Unit 13 We’re trying to save the earth!
Section A 3a -3c教学设计
Class Type Reading
Objectives To have the awareness (意识)of protecting sharks and respecting nature.To understand the passage about endangered animals—sharks.To learn to use some words and expressions.
Period 2
Procedure
Lead-in Present a picture of shark and led students to do some free talk about it. Watch a video to know about sharks, and then talk about the situation of them.Do you think they are endangered Why are they endangered
Step 1 Presentation: Listen to the article and find out:Where is the article probably from ( )A. A book. B. A magazine. C. A newspaper. 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(呼吁) to people against eating shark fins.Para. 3Para. 1Para. 2Read paragraph1 and write T for true and F for false.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. ( )Read paragraph 2, answer the question and then fill in the chart.1. What does the writer think of cutting fins of sharks QuestionsAnswersNumbers of sharks caught and traded every yearHow much the numbers of some kinds of sharks have fallen in the last 20-30 years.Read paragraph 3 answer the questions:1.What are the two environmental groups against “finning” 2.How do they help to save sharks Retell the passage.Some people like to eat shark fin soup, especially in _________China. But getting the shark fin is very _____. When people catch the sharks, they ____ ____ their fins and throw the sharks into the ocean. The sharks slowly dies because they can’t _____ without fins. And it is also ________ to the environment. Sharks are at the ___ of the food chain. If the number of sharks drops too low, it will break the balance of the nature. Please say no to eating shark fin soup, and take action to save the sharks!Activity 3b: Read the passage again and fill in the blanks with the words in the box.Discussion: What should we do to save the wild life
Step 2 Summary: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意思是“不再” , 相当于not any longer。e.g. Mr Brown no longer lives here. 布朗先生不再在这里居住了。= Mr Brown doesn’t live here any longer.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 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。e.g. She not only plays well, but also sings well. 她不但很会演奏，而且唱歌也很好。 Not only children but also the old can swim here. 不仅是孩子，老人也可以在这里游泳。 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. 不只是你，他也得离开。be harmful to 对……有害e.g. Smoking is harmful to the health. 吸烟有害健康。 Playing computer games much is harmful to our eyes. 电脑游戏玩太多对眼睛有害。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。at the top of 在……最高地位; 用最高[最大]的(速度, 声音等) e.g. He has a large house at the top of that mountain. 他有所房子在那座山顶上。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。e.g. In China, the number of children going to school is much higher than twenty years ago. 在中国，儿童入学人数比20年前要高很多。 常与number搭配的动词有grow, fall等。e.g. The number of foreign students in this school is growing every year. 这所学校里，外国学生的数量每年都在增加。Grammar Focus: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. 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。be used to doing sth. 表示习惯于做某事e.g. I used to get up at six o’clock. Joe is used to running for half an hour every morning.3. 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.现在完成时: Present Perfect定义：表示动作已经完成, 但对现在造成影响; 或者表示从过去某一时间开始一直延续到现在并还可能持续下去的动作。 结构: has/have + 过去分词标志词：already, yet, ever, never, since, or…e.g. I haven’t finished my homework yet.5. 情态动词情态动词本身有一定的词义, 表示说话人的情绪、态度或语气, 但不能单独作谓语, 只能与其他动词构成谓语。常见的有: can (could), may (might), must, need, shall (should), will (would)等。情态动词无人称和数的变化, 后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式, 可用来表达更加客气、委婉的语气。 e.g. Ken can climb up the tress like a koala. Tracy could ride a bicycle when she was five years old.Exercises:用括号内所给动词的适当形式填空。Listen! The phone __________(ring). Please go to answer it.2. — Alan, it’s late. Why not go to bed — Jenny hasn’t come back yet. I ___________ (wait) for her. 3. — What’s your father doing now — He __________ (write) a letter in the study.Translation.1.她过去常常周末和朋友看电影。 She used to watch movies with friends on weekends.2.他习惯于每天晚上睡前看报纸。 He is used to reading newspaper before sleeping.用括号内所给动词的适当形式填空。1. The third soccer game_______ (hold) in June.2. A strange noise __________ (hear) by his mother last night.3. A new hospital _________ (build) in that city by those people next year. 4. I _________ (live) in Beijing for two years.5. I _____ never _____ (meet) of that man before.6. Tom ________________ (study there since two years ago.
Step 3 情态动词练习1.-- ____ you pass me a pen I'd like to write down the phone number. -- Sure. Here it is. A.Can B.Need C.Might D.Must2. -- May I go to the cinema, Mum -- Certainly, but you ___ be back by 11 o'clock. A.can B.may C.must D. need3. you ___ worry about me. It's nothing serious. A.can't B.mustn't C. needn't D. won't4. -- Excuse me. Is this the right way to the Summer Palace -- Sorry, I'm not sure. but it ____ be. A.might B.mustn't C.can't D.must5. The man in the office ____ be Mr.Black, because he went home just now. A.mustn't B.may not C.can't D.needn'tTranslation.1. 我们不能在教室里吃东西。2. 首先你必须完成作业。3. 他现在不可能在家。4. 她一定知道这个问题的答案。Activity 4a: Fill in the blanks with the correct forms of the verbs in brackets.Activity 4b: Fill in the blanks with the appropriate modal verbs from the box.Activity 4c: Make a list of things that people can do to help the environment and discuss your list with your partner.
Step 4 Homework:完成课前预习与课后跟踪练习。
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Unit 13 We’re trying to save the earth!
Section A 3a-4c课前预习
[课型]阅读课
学习目标
To have the awareness (意识)of protecting sharks and respecting nature.
To understand the passage about endangered animals—sharks.
To learn to use some words and expressions.
课前预习
一、熟读下列单词
shark/ ɑ (r)k/n.鲨鱼
fin/f n/n.(鱼）鳍
cruel/ kru: l/ adj.残酷的；残忍的
harmful/ hɑ (r)mfl/adj.有害的
be harmful to 对……有害
at the top of 在……顶部或顶端
chain/t e n/n.链子；链条
the food chain 食物链
ecosystem /'i:k ,s st m/n.生态系统
industry/ nd str /n.工业；行业
law/l :/n.法律；法规
scientific /,sa n't f k/adj.科学上的；科学的
take part in 参加
afford/ 'f :(r)d/v.承担得起（后果）；买得起
turn off关掉
reusable /,ri:'ju:z bl/ adj.可重复使用的；可再次使用的
pay for付费；付出代价
take action采取行动
transportation /,tr nsp :(r)'te n/n.运输业；交通运输
二、写出下列动词的过去式和三单现
1.save-_______-______
2.hear-_______-______
3.do-_______-______
4.realize-_______-______
5.are-________-______
6.kill-_______-______
7.enjoy-_______-______
8.catch-_______-______
9.cut-_______-______
10.throw-_______-______
11.swim-________-______
12.die-________-______
13.drop-________-______
14.bring-_______-______
15.believe-_______-______
16.trade-_______-______
17.fall-______-______
18.teach-_______-______
19.ask-_______-______
20.develop-______-______
三．翻译下列短语。
1.听说_____________
2.鱼翅汤_____________
3.华南地区_____________
4.一碗_____________
5.环保_____________
6.全世界_____________
7.例如；比如_____________
8.不但......而且......_____________
9.颁布法律_____________
10.目前为止_____________
11.scientific study_________
12.be good for_____________
13.cut off_____________
14.be harmful to_____________
15.no longer________________
16.at the top of_______________
17.food chain_____________
18.the number of_______________
19. over 90 percent_____________
20.save the earth______________
21.take part in_____________
22.help out______________
四．阅读3a，判断句子正(T)误(F)。
( )1.The passage is about saving the sharks.
( )2.A shark can no longer swim and slowly dies if it doesn't have a fin.
( )3.Many believe that sharks can never be endangered.
( )4.WildAid and the WWF are two environmental protection groups.
( )5.There are some scientific studies that have shown that shark fins are good for health.
五．句子翻译。
1.失去一条腿之后他不再打篮球了。
He__________________________plays basketball after he lost a leg.
2.孩子，别总是看电视，这对你的眼睛有害。
Boy, don’t watch too much TV, it ____________________your eyes.
3.他的名字在名单的最前面。
His name is__________________________the list.
4.近年来很多学生出国深造而且这个数量增长很快。
______________students go abroad for further study and____________them has been growing quickly recently.
5.每个人都应在环境保护中发挥作用。
Everyone should__________________protecting the environment.
6.我们的行动能带来变化,创造更加美好的未来。
Our actions can_____________________and lead to a better future.
六．单项选择
( )1.—How many girls are there in your class
—__________them__________over twenty.
A.A number of,are B.The number of,are
C.A number of,is D.The number of,is
( )2.We’re sure that the environment in our city_____greatly through our work in the near future.
A.improved B.was improved
C.has improved D.will be improved
( )3.____________I got up early this morning,I couldn’t catch the train.
A.When B.Although C.Because D.If
( )4.—Have you___________Jim yet
—Yes,I got a letter from him yesterday.
A.heard of B.heard from C.heard about D.heard with
( )5.—I really enjoy Chinese food!
—Me,too.My mouth was watering_______I watched the TV program A Bite of China.
A.when B.before C.since D.after
参考答案：
二、写出下列动词的过去式和三单现
1.saved-saves
2.heard-hears
3.did-does
4.realized-realizes
5.were-are
6.killed-kills
7.enjoyed-enjoys
8.caught-catches
9.cut-cuts
10.threw-throws
11.swam-swims
12.died-dies
13.dropped-drops
14.brought-brings
15.believed-believes
16.traded-trades
17.fell-falls
18.taught-teaches
19.asked-asks
20.developed-develops
三．翻译下列短语。
1.hear of
2.shark fin soup
3.southern China
4.a bowl of
5.environmental protection
6.around the world
7.such as
8.not only...but also...
9.develop laws
10.so far
11.科学研究
12.对......有好处
13.切下；切割
14.对......有好处
15.不再；再也不
16.在......的顶端
17.食物链
18.......的数量
19. 超过百分之90
20.拯救地球；保护地球
21.参加；参与
22. 帮助某人解决困难
四．阅读3a，判断句子正(T)误(F)。
1-5 T T T T F
五．句子翻译。
1.no longer 2.is harmful to 3.at the top of 4.A number of;the number of 5.play a part in 6.make a difference
六．单项选择
1-5 D D B B A
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人教版 九年级全册同步课件
Unit 13
We are trying to save the earth!
Section A 3a-Self Check
To have the awareness (意识)of protecting sharks and respecting nature.
To understand the passage about endangered animals—sharks.
To learn to use some words and expressions.
Objects:
Can you say something about sharks
Lead in:
Do you think they are endangered
Why are they endangered
sharks are killed.
shark fin soup
fish oil
Listen to the article and find out:
Where is the article probably from ( )
A. A book. B. A magazine. C. A newspaper.
Presentation:
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(呼吁) to people against eating shark fins.
Para. 3
Para. 1
Para. 2
Read paragraph1 and write T for true and F for false.
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. ( )
F
T
Read paragraph 2, answer the question and then fill in the chart.
1. What does the writer think of cutting fins of sharks
It’s not only cruel but also harmful to the environment.
Questions Answers
Numbers of sharks caught and traded every year
How much the numbers of some kinds of sharks have fallen in the last 20-30 years.
70 million
Over 90 percent
Read paragraph 3 answer the questions:
1.What are the two environmental groups against “finning”
WildAid and the WWF.
2.How do they help to save sharks
They are teaching the public about finning.
And they have even asked governments to develop laws to stop the sale of shark fins.
Some people like to eat shark fin soup, especially in _________China. But getting the shark fin is very _____. When people catch the sharks, they ____ ____ their fins and throw the sharks into the ocean. The sharks slowly dies because they can’t _____ without fins. And it is also ________ to the environment. Sharks are at the ___ of the food chain. If the number of sharks drops too low, it will break the balance of the nature. Please say no to eating shark fin soup, and take action to save the sharks!
Retell the passage.
southern
cruel
cut
off
swim
harmful
top
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 numbers drop, the ocean’s ecosystem
will be in danger.
Read the passage again and fill in the blanks with the words in the box.
so although if but when
so
when
3b
Many 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.
but
Although
if
What should we do to save the wild life
Discussion:
Don’t kill them.
Don’t wear them.
No trade No murder
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意思是“不再” , 相当于not any longer。
e.g. Mr Brown no longer lives here.
布朗先生不再在这里居住了。
= Mr Brown doesn’t live here any longer.
Summary:
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 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。
e.g. She not only plays well, but also sings well.
她不但很会演奏，而且唱歌也很好。
Not only children but also the old can swim here.
不仅是孩子，老人也可以在这里游泳。
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.
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 will you go to the airport, but also he will go there too.
不仅你将要去机场，他也要去。
be harmful to 对……有害
e.g. Smoking is harmful to the health.
吸烟有害健康。
Playing computer games much is harmful to our eyes.
电脑游戏玩太多对眼睛有害。
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。
at the top of 在……最高地位; 用最高[最大]的(速度, 声音等)
e.g. He has a large house at the top of that mountain.
他有所房子在那座山顶上。
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。
e.g. In China, the number of children going to school is much higher than twenty years ago.
在中国，儿童入学人数比20年前要高很多。
常与number搭配的动词有grow, fall等。
e.g. The number of foreign students in this school is growing every year. 这所学校里，外国学生的数量每年都在增加。
We are try 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 sharks fins are good for health. Present perferct
We should save the sharks. Model verbs
Grammar Focus
现在进行时: Present Progressive
结构: be (am/is/are) + v.-ing
标志词：Look, Listen, now, right now…
e.g. Look! The boy is crying.
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。
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.
Joe is used to running for half an hour every morning.
used to do与be used to doing
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.
结构: has/have + 过去分词
标志词：already, yet, ever, never, since, or…
e.g. I haven’t finished my homework yet.
定义：表示动作已经完成, 但对现在造成影
响; 或者表示从过去某一时间开始一
直延续到现在并还可能持续下去的
动作。
现在完成时: Present Perfect
1. 情态动词本身有一定的词义, 表示说话人的情绪、态度或语气, 但不能单独作谓语, 只能与其他动词构成谓语。常见的有: can (could), may (might), must, need, shall (should), will (would)等。
情态动词
2. 情态动词无人称和数的变化, 后接动词原形。否定式是在情态动词后面加not。个别情态动词有过去式形式, 可用来表达更加客气、委婉的语气。
e.g. Ken can climb up the tress like a koala.
Tracy could ride a bicycle when she was five years old.
用括号内所给动词的适当形式填空。
Listen! The phone __________(ring). Please go to
answer it.
2. — Alan, it’s late. Why not go to bed
— Jenny hasn’t come back yet. I ___________
(wait) for her.
3. — What’s your father doing now
— He __________ (write) a letter in the study.
is ringing
am waiting
is writing
Translation.
1.她过去常常周末和朋友看电影。
She used to watch movies with friends on weekends.
2.他习惯于每天晚上睡前看报纸。
He is used to reading newspaper before sleeping.
用括号内所给动词的适当形式填空。
1. The third soccer game_______ (hold) in June.
2. A strange noise __________ (hear) by his
mother last night.
3. A new hospital _____________ (build) in that city by those people next year.
4. I _________ (live) in Beijing for two years.
5. I _____ never _____ (meet) of that man before.
6. Tom ________________ (study there since two years ago.
is held
was heard
will be built
have lived
have
met
has studied
情态动词练习
1.-- ____ you pass me a pen I'd like to write down the phone number.
-- Sure. Here it is.
A.Can B.Need C.Might D.Must
2. -- May I go to the cinema, Mum
-- Certainly, but you ___ be back by 11 o'clock.
A.can B.may C.must D. need
3. you ___ worry about me. It's nothing serious.
A.can't B.mustn't C. needn't D. won't
4. -- Excause me. Is this the right way to the
Summer Palace
-- Sorry, I'm not sure. but it ____ be.
A.might B.mustn't
C.can't D.must
5. The man in the office ____ be Mr.Black, because he went home just now.
A.mustn't B.may not
C.can't D.needn't
Translation.
1. 我们不能在教室里吃东西。
2. 首先你必须完成作业。
3. 他现在不可能在家。
4. 她一定知道这个问题的答案。
We can’t eat in the classroom.
You must finish your homework first.
He can’t be at home now.
She must know the answer to this question.
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).
Joe: How many people __________ (take) part
Have
taken
help
considered to be
had
had
have taken
4a
Fill in the blanks with the correct forms of the verbs in brackets.
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!
think
have come
trying
waiting
People______think that big things ______ be done to save the earth. 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 reusable bags instead of plastic bags.
can would could have to should must may/might
may
must
could
could
Fill in the blanks with the appropriate modal verbs from the box.
4b
I 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 far, you ________ take the bus. All these small things ________ add up and become big things that _________ improve the environment. Let’s take actions now!
have to
can
can
would
should
can would could have to should
must may/might
Make a list of things that people can do to help the environment and discuss your list with your partner.
use public transportation (n.交通运输);
turn off the lights when you leave a room;
use reusable bags instead of plastic bags;
ride your bike or walk to school or work;
stop using paper napkins(餐巾纸);
recycle books and paper...
4c
Homework:
完成课前预习与课后跟踪练习。
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