高中英语人教版（新课程标准）选修7【教学课件】【教学课件】Unit 3（人教）(91张PPT)

(共91张PPT)
Unit 3
Under the sea
Have you seen any plants and animals that live under the sea
Part 1
Reading
Watch the photos and try to say the names of the animals or the plants.
shark
dolphin
turtle
sea horse
coral 珊瑚
sea star海星
On a snorkeling trip
At an aquarium
On a boat tour
In books
In films
On TV nature programmes
On the Internet
Where can you see them
Do you know about whales
such as
the baleen whales
the killer whales
king of the sea, biggest carnivore (食肉动物) of the sea, killing all kinds of animals in the sea, even the huge blue whale, like tiger on land, working in a team.
baleen
killer
blow-hole
whalers
______
whale
_______ whales
catch/kill
help
What do you think is happening in the picture
facial expression
fierce
1. Who is Old Tom Who is the writer
2. What is the first anecdote (轶事 ) about
And how about the second one
Reading
Read the passage as quickly as you can and then answer the questions.
Fast reading
Old Tom is the name of killer whales.
And the writer is a whaler,called Clancy.
1. Who is Old Tom Who is the writer
The passage is mainly about ____ parts.
Task 2 : Main idea
Old Tom ________
the whaler from the shark
Old Tom ______
the whalers to hunt the whales.
helped
protected
2
3. The passage consists of _______ anecdotes written by Clancy. They are mainly about how Old Tom helped the whalers ____________ and__________________________
two
hunt the whales
saved James from being attacked
by a shark.
Careful reading
Read the text carefully and choose the best answer.
Old Tom throws itself out of the water and then crashes down in order to ___.
A. give the whalers the information
about a whale
B. tell the whalers it is hungry
C. help the whalers catch the whale
D. inform the whalers to run away
细节题
2. Why did the men start turning the boat around to go home after the whale died
A. Because they didn’t need a dead whale. B. Because they couldn’t find the whale’s body.
C. Because they knew that the dead whale wouldn’t float up to the surface for around 24 hours.
D. They had to do this because it was too late.
3. The relationship between Old Tom and
the whalers is ___.
A. friendly　　 B. cruel
C. serious D. tense
4.We can infer from the text that____.
A. The killer whales may be trained by the whalers.
B. The killer whales want to help man catch the whales themselves
C. The killer whales need no training for helping the whalers
D. The killer whales want to eat the whales after killing them
推理判断题：
主旨大意
5. What happened to James after he was washed off the boat
A. He got hurt by a shark.
B. He was abandoned by the other whalers and felt terrified.
C. He dropped his hope and was nearly dying.
D. He was held up in the water by Old Tom and rescued.
Accident James was ___________ the boat
Situation 1. The sea was ______ that day and it was ________to handle the boat. The ______ were carrying James further and further away .
2. Suddenly there was ________ over there.
Feeling He was _________of being abandoned by us.
Help Old Tom won’t let it _______James.
James was firmly ________in the water by Old Tom
Result James was __________ into the boat.
washed off
rough
difficult
waves
a shark
terrified
near
held up
pulled back
Although the killers were f_____ hunters, they never h _____ or a_______ people. In fact, they p _______ them. However, whales are now in d______. They are dying o___.
ierce
ttacked
rotected
armed
anger
ut
Word Filling (填词)
Discussion
Whales are in danger. Why To protect them, what should we do
Then complete the composition.
Useful expressions:
We should….
We had better….
It is a good way to …
As we all known, Whale is one of the oldest species on the earth. I think it’s important to protect whales.
As far as I’m concerned, we can do some things we can do to protect them.
First,
Second,
What’s more ,
In a word, man has done much harm to whales. It’s time for us to do something to protect them. No buying, no killing!
we should protect whales from harm. we must forbid people to kill the whales.
We had better not throw rubbish into the sea, and the polluted water mustn't be poured into the sea.
it is a good way to create a marine nature reserve to protect whales.
1. annual adj. 每年一次的；一年一度的
annual =yearly n. 年刊；年鉴
类似用法： daily n. 日报；
weekly n. 周报；
monthly n. 月刊
Part 2
Language Points
2. witness
(1) vt. 亲眼看到
Did you witness the accident
你亲眼看到那场事故了吗？
(2) vi. 作证; 证明
witness to sth. / doing sth.
He witnessed to having seen the man enter the building.
他作证说他看到那个人进入大楼的。
(3) witness n. 目击者; 证人
She was called as a defense witness.
她被传唤作被告证人。
The accident happened in the midnight, so few people _______ it.
appreciated B. witnessed
C. monitored D. discovered
Choose the best answer.
Translation.
She _____________________ (目睹了那次事故) yesterday afternoon.
(2) Many drivers are __________ (目击者) to the Wenzhou Train Disaster.
witnessed the accident
witnesses
3. On the afternoon I arrived at the station, as I was sorting out my accommodation, I heard a huge noise coming from the bay. 在我到达捕鲸场的那个下午，正当我准备膳宿时，我听到一声巨响从海湾传来。
as, when和while
1) as 强调主从句中谓语动词所表示的动作同时发生。从句表示“随时间推移”连词能用as，不用when 或while。
As the day went on, the weather got worse. 　日子一天天过去，天气越变越坏。
2) when 可表示瞬间、时间段，主从句动作同时发生，也可以先后发生。当从句的动作发生于主句动作之前，只能用when 引导这个从句，不可用as 或 while。　　
When you have finished your work, you may have a rest.
3) as, when 引导短暂性动作的动词。
Just as / Just when / When I stopped my car, a man came up to me. 　
4) while 用于同时进行的两个延续性动作相伴发生，常对同类动作进行对比。
＊________ you have finished your work, you may have a rest.
＊____________ I stopped my car, a man came up to me.
＊____ the day went on, the weather got worse.
＊____________ was walking down the street, I met an old friend.
When
When ( As)
As
When (while)
4. “Come on, Clancy. To the boat”, George said as he ran ahead of me.
1) 表示劝说，不耐烦，催促
Come on, we’ll be late for concert.
2) 开始
The rain has just come on.
come on
come about 发生
come across 偶然遇见
come forth 出来，涌现
come out 出版，（花）开
come through （电话）接通
come up 走近，上升
come to 总计
come up with 赶上，补充
与come相关的短语：
come about , come through, come out , come up, come to , come across
The cost of the journey _______ 3000 yuan.
How did the accident ___________
When will the book __________
I _____________ my teacher in the street yesterday .
The seeds haven’t __________ yet .
The old man ___________ the World War I.
comes to
come about
come out
came across
come up
came through
5. flee – fled – fled
(1) vt. flee 逃离
They were forced to flee the country.
(2) vi. flee from 逃避；逃跑
The prisoner attempted to flee from the prison, but he failed.
The alarmed people fled from the fire.
恐慌的人们从火里逃出。
She ______ (过去式) from the room in tears.
2. The robbers tried to _____ (逃跑), but they were caught.
Fill in the blanks.
fled
flee
6. He let it go and the harpoon hit the spot. Being badly wounded, the whale soon died.
辨析：wound, injury, hurt, harm与damage
wound 是战斗中刀枪的创伤、伤口
His brother was wounded in that battle.
injury 是平时的大小创伤和伤害
He got serious injuries to the legs at work. He got his finger injured.
hurt 是指精神上的伤害和肉体的伤痛。
The hurt to his feelings is more serious than the
hurt in his body.
harm “伤害”指使有生命或者无生命的东西不再完整、美丽，或者具有原来的价值。
Smoking a lot of cigarettes can harm and even kill over
a long period of time .
damage “车辆、船只、房屋”等的损坏。 The bus was badly damaged when it hit the wall . This storm did great harm / damage to the crops.
7. drag
Why drag me in
干嘛把我拉扯进去？
drag sb. out to a concert
硬拖某人去听音乐
drag the negotiation out for three months
把谈判拖长到三个月
vi. 拖；拉；扯
She had to _____ her child away from the toy shop.
2. He got up and ________ his chair toward the table.
3. I really had to _____ myself out of bed this morning.
4. The horse was ________ a heavy load.
Fill in the blanks with the right forms of drag.
drag
dragged
drag
dragging
8. urge
He urged his horse forward.
The teacher urged that all students not carry MP3 players in class.
He has an urge to become a film star.
n. 强烈愿望
v. 极力主张
v. 驱策
They urged us to go at once.
He urged that they go to New York.
urge sb. to do sth.
催促/力劝某人做某事
urge that … + (should) 动词原形
He _______________________ (力劝
所有学生) take part in this activity.
(2) I _____________________________
(劝他尽力) to finish his homework.
Translation.
urged all the students to
urged that he (should) do his best
9. abandon
We had to abandon the car.
By the time the rebel troops arrived, the village had already been abandoned.
abandon one’s friend 背弃朋友
abandon a bad habit 革除恶习
abandon one’s hope 放弃希望
abandon one’s idea 放弃主意
vt. 放弃；抛弃；遗弃
— Have you completed the project
— No. We had to _______ it due to lack of funds.
abandon B. remove
C. resign D. exchange
Choose the best answer.
V-ing的被动形式
　语态
时态 被动语态
一般式 being done
完成式 having been done
如果动词-ing形式的逻辑主语为所表示的动作的承受者,动词-ing形式要用_________,动词-ing形式的被动语态有一般式与完成式之分。
被动语态
Grammar
Part 3
动词-ing形式的被动式在各句中作什么成分
1. So being killed by sharks was a common occurrence.
2. He didn’t mind being left at home.
3. That building being repaired is our library.
4. Being protected by a thick wall, they felt they were quite safe.
5. Having been given such a good chance, how could she let it slip away
作主语
作宾语
作定语
作状语
作状语
① _________________ (surround) by whaling boats, the whale has no place to go.
Being surrounded
作状语
Look at the pictures and use the passive–ing form to fill in the blanks.
② I see a whale _________ (tie) by ropes from a Japanese whaling ship.
being tied
作宾语补足语
③ The building ___________ now is our school.
being built
作定语，表被动、进行的动作
【比较】
The building to be built next year is our school.
The building built last year is our school.
作定语，表将来的动作。
作定语，表过去、被动、完成的动作。
④ I heard an English song being sung by a little girl when I passed by her room last night.
非谓语动词，作宾语补语。
An English song was being sung by a little girl.（被动语态）
A little girl was singing an English song.（主动语态）
【比较】
谓语动词，过去进行时被动语态
谓语动词，过去进行时主动语态
动词-ing形式的被动式在句中作何种成分？
动词-ing形式的被动式, 可在句中作主语, 表语, 宾语, 宾语补足语, 定语和状语, 但不能单独作谓语, 其完成形式having been done, 多在句中作状语。
Complete the sentences below with the passive -ing form of the verbs in brackets.
① James was afraid of _______________ (attack) by sharks.
being attacked
② _____________ (hold up) in the water by Old Tom, James was confident he would survive.
③ _______________ (include) in the hunt was a great thrill for Clancy.
Being held up
Being included
④ ____________________ (accept) by the whalers, the killers were able to get a good feed from the whale.
⑤ Clancy didn’t mind __________ (tell) what to do.
⑥ _______________ (help out) by the killer whales, the whalers were able to make a successful kill.
Having been accepted
being told
Being helped out
⑦ The children enjoyed ___________ (take) to the aquarium.
⑧ It seemed the sea lion didn’t mind
__________________ (photograph) with the tourists after all.
⑨ “In fact, the chances of anybody _______________ (swallow) by a whale are rather low,” said the researcher.
being taken
being photographed
being swallowed
此外, 动词-ing形式的被动式还可以在句中构成复合宾语。
如：
You’ll find the topic being discussed everywhere.
你会听到到处都在讨论这个问题。
He often watched the boats being unloaded.
他常常看轮船卸货。
As we approached the village we saw new houses being built.
走近村子时我们看到正在盖新房。
而且在want, need, deserve, require等动词后, 尽管表示的是被动含义, 我们却用动词-ing形式，也可以用不定式的被动形式来替换。如：
The blackboard needs cleaning.
= The blackboard needs to be cleaned. 黑板需要擦干净。
The broken window wants repairing.
= The broken window wants to be repaired. 那个破窗户需要修理。
2) 完成式表示动名词的动作发生在谓语动作之前。
He prided himself on having never
been beaten in class.
在worth这个形容词后情形也是这样:
Her method is worth trying.
她的方法值得试一下。
用所给词的适当形式填空。
1. I appreciated ___________________________ (give) the opportunity to work in your company two years ago.
2. Our neighbor came close to __________ (kill) in a traffic accident the other day.
being given / having been given
being killed
3. While shopping, we sometimes can’t help _______________ (persuade) to buy what we don’t really need.
4. It made me upset to hear the news of his _____________________________ (fire) from that good job.
5. The foreign friends you referred to are looking forward to ____________ (show) around our newly built language lab.
being shown
being persuaded
being fired / having been fired
Part 4
Using Language
Lead-in
Can you name the following creatures
Try to use adjectives to describe them.
( colourful, splendid, vast… )
coral
eel
(grey, long, smooth)
sea-slug 海蛞蝓
Are they beautiful
Where do you think we can find them
You can find them at an aquarium or at the bottom of oceans.
How can we go down to the bottom of oceans
We can go snorkeling.
Let’s enjoy the writer’s experience down
into the depths of a sea.
Read the text fast and try to number the paragraph topics in the correct order.
Topic Paragraph number
colors and shapes
dangers
reflecting
the reef’s edge
a final thought
some sea creatures
2
4
1
5
6
3
Scanning
vivid colours
red
yellow
purple
blue
green
orange
What is the first thing he became aware of under the sea
The corals were fantastic.
What did the shapes of corals look like
corals
fans
plates
brains, lace
mushrooms, lettuces
tree branches , deer horns
Sea anemone
Sea-slug
Parrotfish
Anemone fish
Sea-star
Turtle
Angelfish
Then what other creatures did he find
Match the information about the creatures.
Sea anemone
Sea-slug
Parrotfish
Anemone fish
Sea-star
Turtle
Angelfish
Blue
Little orange and blue-striped
Large wise-looking
Poisonous tentacles
Little orange and white
Yellow and green with hard bird-like mouth
Yellow-spotted red
creatures
description
1.________________air
2.__________________seaweed
3.___________lips
4._____________reef sharks
5._____________teeth
6.__________________angelfish
7.__________________water
8.___________________mouth
9.______________________sea-slug
10.______________________turtle
Warm night
The waving long thin
Thick green
Two grey reef
Strong sharp
An orange blue-striped
Deep clear
Hard bird-like
A yellow-spotted red
A large wise-looking
Complete these noun groups from the
diary entry.
What do you notice about the order of these adjectives in the noun groups
two
little
thick
large
orange
and white
green
striped
spotted
限定数量描大小,　高低新旧颜国材
number size colour pattern
Thinking and discovering
Was there anything that made him feel frightened besides the wonderful creatures What were they
Yes. There were dangerous creatures.
He didn’t want to get close to the eel, the giant clam and reef sharks.
Look at the expressions below and tell each other about the times you had feelings like these.
a day of pure magic extraordinary beauty
it was the most fantastic thing I have ever done
my heart was beating wildly
every cell in my body woke up
I felt scared to death
it was like discovering a whole new dimension of life
Discussion
Therefore, there are dangers as well as delights.
reflecting
1. I’m sitting in the warm night air with a cold drink in my hand and reflecting on the day – a day of pure magic!
我正坐在温暖的夜空下，手里握着一杯冷饮，思考着今天 ——充满纯粹力的一天！
reflect on/upon 思考；反思
think about/of sth 思考；考虑
think sth over 仔细思考
Eg: 他喜欢时不时反思成功与失败。
He likes his successes and failures
every now and then.
on/upon
I’m
aware
2. The first thing I became aware of was all the vivid colours surrounding me—purples, reds, oranges, yellows, blues and greens.
我首先注意到的是我周围那些鲜艳的色彩——紫色、红色、橘黄色、黄色、蓝色和绿色等。
aware adj.意识到的；知道的
unaware adj.没意识到的；不知道的
awareness n.意识；知道
be (well/fully) aware of (深刻、充分）意识到；（深深）知道
be(well/fully) aware that… (深刻、充分）意识到；（深深）知道
As far as (据我所知), nobody has done anything about it.
为了丰富学生的生活, 你校学生会将举办
一次音乐周活动。请你以组织者的身份写
一个书面通知。有关内容如下：
时间: 5月第一周
活动: 1. 演唱歌曲: 流行歌曲
2. 器乐演奏: 古典和民间音乐
3. 音乐比赛: 听歌曲片段, 然后猜出处
地点: 届时通知
参加者于4月20日前报名。
注意: 1. 书面通知应写成一篇连贯的短文；
2. 可以适当增减细节；
3. 词数100左右；
4. 通知格式已为你写好；
5. 生词: 古典--- classical 民间--- folk
乐器--- musical instruments
Dear students,
…
…
Come to the great fun!
Students Union
Writing – I Discussion (5ms)
Discuss in groups and write down the information you get.
After the discussion, the students write a notice
according to the writing task.
(There are at least 100 words. )
Writing – II (20ms)
One possible version:
Dear students,
The Students Union has decided to organize
a music week. It will be held in the first week
of May. The activities include singing pop songs
and playing classical and folk music. Bring
your own musical instruments, please. A music
contest will be included, too.
The students taking part in the contest will
listen to part of a song or a piece of music, and
then guess where it comes from. If you’d like
to take part in the music week, please come
and sign up for it before April 20th. The place
for the activities will be announced later.
Come to the great fun!
Students Union
Finish the exercises on Page 68-69.
Homework