NSEFC 高三Unit 2 Crossing Limits（四课时）
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Unit 2 Crossing Limits
Period 1 Warming up & Listening & Speaking
Step 1 lead in
ask the students some questions
Do you know what sport is the most fashionable, challenging and exciting in the world?(F! cycle race, challenging limits, such as bungee jumping, boxing, exploring….)
There are a variety of explorations. Can you give some examples?
(space explorations,ploar explorations,desert explorations,field explorations,voyage explorations…)
Step2 talk about the pictures in the SB
l Zheng He, in the year between 1405 and 1433, seven large treasure fleets sailed westwards on voyages of trade and exploration. Under the command of Zheng He, the fleets set sail from the South China Sea across the Indian Ocean to the Red Sea, and then traveled further south, discovering the eastern coast of Africa.
He renewed relations with the Kingdoms of the East African coast. One African king sent the Ming emperor a royal present: two gifaffes.
l James Cook (1728-1779) was the greatest Britain navigator. Cook enlisted in the Royal Navy in 1755. In 1768 he was promoted and sent to the Pacific where he surveyed Tahiti, New Zealand, and Australia. On his famous second expedition (1772-75) he explored Antarctica. In 1776 he undertook his third and final voyage in which he explored the West coast of North America and tried to locate a passage between the Atlantic and Pacific oceans. On this voyage he discovered the Hawaiian Islands, and sailed up the coast of North America through the Bering Straits to the Arctic Ocean. On his return he was killed by Hawaiian islanders.
l Italian-born explorer Christopher Columbus broke with tradition in 1492, sailing west in an attempt to find a shorter route to India and China. Columbus based his calculations for the journey on Biblical scripture, specifically the books of Esdras in the Apocrypha.
l On August 3rd, 1492, Columbus departed from Palos de la Frontera, Spain, on the first of several voyages to what he later called the "New World."
l Abel ·Janszoon Tasman (1603 年- 1659) 是荷兰船员和探险家, 出生在Lutjegast, 一个村庄在Groningen 省, 最早知道为他的远航1642 年和1644 年, 在VOC (Dutch East India Company 的) 服务。他是第一欧洲远征达成范·Diemen 的Land (现在塔斯马尼亚岛) 并且新西兰海岛。他并且测绘了澳洲的坚固部份。
posssible answers: Q2,seven.They're Asia,Afria,Europe,North America,South America,Oceania and Antarctica.
Q3,Winds and waves on the sea, losing their way,lack of food and drinking water,pirates,languages,communication devices and diseases…
l Q4,explore,challenge,brave,luck,lackof,hardship,death,disease,success,failure , wealth,knowledge,technology,information, equip…
l Describe the dangers and challenges by using the following
make a discovery, expedition, explore the unknown. do scientific research, map the coast, find a new landmass, hit a rock, meet with storm, fight against the natives, land , set out/sail for, by sea/radio/flag language
Step3 listening
Step4 speaking
l Present opinion:
1.From my understanding,I fond it possible that--
2.IN my opinion,nobody has the right to----
3.For the sake of---, I believe ---
4.In respect for ---,we should ---
5.Everything has two sides, but I ---
6.By no means should we sacrifice people's life in the name of science---
7.First,---Seecond,---Third,---
Step5 Language points
1.what sort of questions do you think the reporter …..
sorts of…各种各类的
a sort of…一种
eg: you can see sorts of fishes under the sea.
do you think 是插入语,放在特殊问句疑问词之后,其后的句子应用陈述语序.
eg: When do you think they will come back?
2. What modern means can explorers …
means 方式,方法 (单复数同形)
make use of …
make good/full use of…
3. In which way will a human trip to …
be similar to….与…相似
eg: The gold is similar to brass in color.
4.In their work, scientists meet with……
meet with… ,come across…
come up with…, run into…遇到,碰上
Eg: While reading, you are sure to come across some new words.
make decisions about…. 对…作出决定
about which …在句中引导一带有介词的定语从句, 修饰先行词situations
5.When Captain James Cook landed in….
take possession of… 把…占为己有,占领,夺取
e.g. Don't take possession of the wallet,though you picked it up in the street.
in the name of … 以… 名义,代表…
e.g. The police arrested him in the name of the law.
4..Instead of sending people, we can send robots equipped with….
instead of … 代替, 而不是
e.g. Instead of going to the museum, they finally decided to go to the park.
equipped with… " 装备", 过去分词短语作定语
equip… with…., be equipped with….
e.g. All the police are equipped with guns and bullets.
equipment n. 设备,配置
do observations for… 为… 去做观察
Period 2 and 3 reading
Step1 Scanning
Title Reaching Out Across the Ocean
Thesis sentence Many great explorers made expeditions across the Indian Ocean long before Columbus, among whom Zheng He was the most prominent.
Main idea(beforeZheng He) P2 China had contacts with countries along the Indian Ocean from the early time, and during ancient time explorers had begun to contact with each other.
Main idea(before Zheng He) P3 Between the Han and the early Tang Dynasty, Swahili kingdoms and the islands off the African coast developed into the world trade centre and attracted merchants from the world.
Main idea(before Zheng He) P4 During the Tang Dynasty, Du Huan, who traveled to many lands, wrote the book Record of My Travels.
P5 In the eleventh century, the Africans made several voyages to the court of the Song Dynasty.
Mainidea(afterZheng He) P6 By the beginning of the fifteenth century the time was ripe for a grand meeting.
P7 In the years between 1405 and 1433, under the command of Zheng He, seven large treasure fleets sailed westwards on voyages of trade and exploration.
Main idea(after Zheng He) P8 Zheng He renewed relations with the kingdoms of the East African coast.
P9 The fleet made several expeditions before the exploration was stopped.
Step2
Judge the following sentences True or False
1. The Europeans were the first Explorers to travel to other countries.
2. Accurate maps of the countries around the Indian Ocean were made before the fifteenth century.
3. In the years between 1405 and 1433 , Zheng He sailed westwards only on
voyages of exploration.
4 Zheng He invited African countries to send ambassadors to China.
Step3
Put the sentences in good order.
1.In the eleventh century, the Africans made several voyages to the court of the song dynasty.
2.Merchants from the Arabic countries began to travel to the Swahili kingdom and the islands off the African coast to trade with them.
3.People of the Han Dynasty exchanged silk for spices and glass with Indians and Romans by way of the Silk Road.
4. The Chinese traveller, Du Huan, wandered
Through Arabic countries for about 10 years.
5.Christopher Columbus and other European explorers searched for routes to Asia.
6. Zheng He made seven voyages and discovered the eastern coast of Africa.
Step4 Language points
1. reach reach out reach for
Please reach me that book.
Not a single word reached my ears.
He reached out his hand for the knife , but it was too far away.
We must reach out to those in need.
Jim reached for a gun but he was stopped.
2.puzzle
What puzzles me is why they didn't show up.
o He looked a little puzzled.
o We finally puzzled out the meaning of the poem
o Her decision was a puzzle to him
o I'm in a puzzle as to how to cope with the new situations.
3. search search for search --- for in search of
The police searched the prisoner to see if he had a gun.
I searched shop after shop for my sister'sbirthday present.
The parents searched for their lost boy here and there , but they didn't find him.
I will make a search for your book.
I looked everywhere in search of my glasses.
4. long before before long(= soon )
There was a lively market long before.
Before long you will understand what I
said is good for you.
I had waited him long before he came.
It won't be long before you see him again.
It was long before they escaped from the
cruel prison.
5. find one's way
feel /make / fight /push one's way
I hope you can find the way home.
She couldn't find the way out of the building.
The soldiers fought their way through thefierce enemies.
6.exchange exchange---for in exchange for
I'd like to exchange five apples for five eggs.
Mary exchanged her seat with Ann.
He is giving her French lessons in exchange
for his English lessons
7. an island off the coast of the southeast
Keep off the grassland !
cut a piece off the loaf
The ship was brown off its course.
8.wander ( 常与about /in/ through连用)
The children wandered in the woods.
The river wanders through beautiful country.
They wandered up and down the road aimlessly.
His mind wandered back to his college life.
9. command
The officer commanded his men to fire.
He commanded that everyone make the
best of the chance of senior three.
The army is under the command of general Washington.
Bill is in command of the fleet.
10.volunteern.[C]1. 自愿参加者,志愿者[(+for)][(+to-v)]
The volunteers for community service are doing a good job.
社区服务的志愿者做得很出色。
2. 志愿兵,义勇兵
Many Australians fought as volunteers on the Allied side.
许多澳大利亚人作为志愿兵与盟军一起战斗。
vt. 1. 自愿(做)[(+to-v)]
They volunteered to repair the house for the old lady. 他们主动提出替老太太修缮房子。
2. 自愿提供,自愿给予
She volunteered the information. 她自动提供了这一消息。
vi. 1. 自愿;自愿服务[(+for)]
He volunteered for the hard and unprofitable job. 他自愿做这苦差使。
2. 自愿当兵[(+for)]
When the war broke out, he volunteered for the Marine Corps.
战争爆发时,他自愿参加了海军陆战队。
11.suggest vt.1. 建议,提议[+v-ing][+(that虚拟)][+wh-]
I suggest our going to the park on Sunday.
我建议我们星期天去公园。
The dentist suggested that she (should) come another day. 牙医建议她改天再来。
2. 暗示;启发[+(that陈述)]
Her expression suggested pleasure./that she was pleased. 她面露喜色。
3. 使人想起,使人联想到[(+to)]
That cloud suggests a boat to me. 那朵云使我联想到船。
12.accomplish vt. 1. 完成,实现,达到
They didn't accomplish the purpose desired.
他们没有达到预期的目的。
They have accomplished their mission successfully. 他们成功地完成了任务。
2. 走完,度过
She has accomplished 95 years of her life. 她已达九十五高龄。
The journey was accomplished in five weeks.
花了五个礼拜走完全部旅程。
13refer to1. 查阅，参阅
A person refers to a dictionary to find the meaning of the words.
2. 指……而言，指的是
I knew the lady was referring to Bill when she spoke of a bright young boy.
3. 把……称作(as)
Don't refer to your sister as a silly cow!
refer…to 1. 指导；让……找
Our teacher refers us to many good books.
If he needs any further information, refer him to me.
2. 归功于；归咎于
He referred his success to the good teaching he's had.
14.arise (arose, arisen) vi.
1. 升起,上升 A heavy mist arose from the lake. 湖面起了浓雾。
2. 产生,出现,形成[(+from/out of)]
Unexpected difficulties arose in the course of their experiment.
在他们进行实验的过程中,出现了意想不到的困难。
Between the copartners serious disagreements arose. 合伙人之间产生了严重分歧。
Period 4
Step1Scanning
Title Going High: the Pioneers of the Third Pole
P1 By the middle of 1920s, Mount Qomolangma remained to be greatest challenge for human beings.
P2 Climbing Mount Qomolangma was dangerous and it seemed almost impossible because of its extreme conditions.
P3 Sherpas prove to be the ideal guide since the first attempt.
P4 Though several attempt failed in 1920s, Edmund Hillary and Tenzing Norgay made their first successful attempt to the summit in 1953.
P5 After the first successful attempt to conquer Mount Qomolangma, it remains man's great challenges until now.
P6 The Chinese successfully reached the summit of it in 1960.
P7 Over the past 40 years, other 29 Chinese reached the summit for scientific research or sport.
Step2 answer the questions in the SB
Step3 Language points
1.apart from
Apart from Beijing,they have visited Tianjing,Nanjing,Jinan and Qingdao.
2.adjust to
The foreignners have adjusted to life in Beijing.
3.act as
In the drama,she act as a sleeping beauty.
4. rely on
The success of the project relies on the efforts of all the engineers,
5.refer …to… =think of ..as…
Wa all refer to Mr Qin as a good teacher .
6.run out of
They were out of breath as their strength ran out.
7.be praised as =be honored as
The athletes who won medals in the Olympics are praised as national heroes.

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