高三教案Unit 2 Crossing Limits

5. Gan Ying, a Chinese ambassador (大使) went to the east Roman Empire over land.
6. The contacts between China and Africa over the centuries had led to the awareness of each other’s existence, (存在).
7. Still no ____(精确的) maps of the countries around Indian Ocean ____(存在) before Zheng He.
8. By the beginning of 15th century the time was ____(成熟).
9.Under the ____(统帅) of Zheng He, the fleets set sail from the south China Sea across the Indian Ocean to the mouth of the Red Sea.
10. Zheng He ____(重建) relations with the kingdoms of the East African coast.
11. The fleets made several ____(远征) before the ____ (探险) was stopped.

Language Study
1. a large sum of money一大笔钱
2.*Three Gorges Dam 三峡大坝
3. bring up 抚养；提出（议题）；呕吐
4.*the most important Central Asian trade route 最重要的中亚贸易路线
5.with a population of 有。。。人口 （提问用What’s the population of….?）

Period 6 Integrating Skills

Step 1 Scanning
Title Going High: the Pioneers of the Third Pole
Para. 1 By the middle of 1920s, Mount Qomolangma remained to be greatest challenge for
human beings.
Para 2 Climbing Mount Qomolangma was dangerous and it seemed almost impossible because of its extreme conditions.
Para 3 Sherpas prove to be the ideal guide since the first attempt.
Para 4 Though several attempt failed in 1920s, Edmund Hillary and Tenzing Norgay made their
first successful attempt to the summit in 1953.
.
Para 5 After the first successful attempt to conquer Mount Qomolangma, it remains man’s great challenges until now.
Para 6 The Chinese successfully reached the summit of it in 1960.
Para 7 Over the past 40 years, other 29 Chinese reached the summit for scientific research or
sport..
Step 2 Read the text and answer the following questions.
1. Why do you think the writer call Mount Qomolangma the third pole?
First, the North Pole and the South Pole lie respectively in the southernmost and northernmost points of the world, while Mount Qomolangma stands the highest in the world. Second, like the North Pole and the South Pole, it is hard for people to conquer because of the extreme conditions.
2.Why can the Tibetans live at ease in such extreme conditions?
Because they have lived there for centuries and have adjusted to the condition.
3.What makes Sherpas the most reliable guides in every attempt to climb Mount Qomolangma?
Because they are strong, skillful, honest and dedicative.
4.What might have been the possible reasons that made British expeditions fail in 1922 and 1924?
They were not prepared for many unexpected difficulties and they were not very familiar with Mount Qomolangma.
5.Why could the two Newzealanders make it to the summit of Mount Qomolangma?
After World War 2, technological advances in clothing and equipment had been made and more was known about the mountain itself.
6.When did Chinese first reach the summit of Mount Qomolangma? Who were they?
On May 25 of 1960. Gongbu, Wang Fuzhou, and Qu Yinhua.
7.What evidence does the Chinese team have to prove that they really reached the summit of
Mount Qomolangma?
An iron container with the national flag and a portrait of Chairman Mao Zedong.
8.By now, how many Chinese have climbed Mount Qomolangma successfully, 29, 32 or more than that?
More than 32.
How to understand these sentences and phrases?
1.Going to Mount Qomolangma was like going to the moon.
Going to Mount Qomolangma was regarded as difficult as going to the moon.
2.The death Zone
People find it impossible to live in the area.
3.They had no idea what they were up against.
They didn’t know what conditions they were going to face.
4.English air
Oxygen brought by the British expeditons.
5.Like winning in the Olympic Games, climbing a mountain such as Mount Qomolangma is a great personal achievment.
Mountain climbing itself means exploring human possibilities and every success proves the conqueror’s courage, endeavor and ability.
Read from paragraph 3 to paragraph 5 and answer the following questions.
1. Why can the Tibetans live at ease in such extreme conditions?
Tibetans can live at ease in such extreme conditions because they have lived in Himalayas for centuries and have adjusted to the conditions at such a height.
2. What makes Sherpas the most reliable guide in every attempt to climb Mount Qomolangma?
Sherpas’ strength, skill, honesty and dedication have made them the most reliable guide.
3. What might have been the possible reasons that made British expeditions fail in 1922 and in 1924?
They were not prepared to many unexpected difficulties and they were not very familiar with Mount Qomolangma.
4. Why could Edmund Hillary and Tenzing Norgay make it to the summit of Mount Qomolangma?
After World War Two, technological advances in clothing and equipment had been made and more was known about the mountain itself.
5. How do you understand the sentence “Like winning in the Olympic Games, climbing a mountain such as Mount Qomolangma is a great personal achievement”?
Mountain climbing itself means exploring human possibilities and every success proves the conqueror’s courage, endeavor and ability.

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