新课标英语选修9Unit2教学课件 新课标 人教
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Warming up
Unit2
the Arctic Ocean
the Indian Ocean
the Pacific Ocean
the Atlantic Ocean
What is the difference between a navigator and an explorer?
Reading
Comprehension
Comprehending
1. Read the passage and answer the following questions. What is the use of a bearing circle, astrolabe, quadrant or sextant? ( ) What is the use of a compass? ( ) A. To set the course of the ship B. To measure the position of the ship C. To measure the speed of the ship D. To tell the time
James Cook
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 (1772-1775) he explored Antarctica. In 1776 he undertook his third and final voyage in which he explored
Explorer
land
use of compass and landmarks
find new places within an already identified island or continent
Explorer is somebody who travels into or through a place in order to learn about it. Very often navigators are also explorers.
①这是一个“特殊疑问词+do you think…” 的双重疑问句结构。除think以外believe，guess, suppose等词也可以用于此结构。 What do you suppose has happened to him? 在I think／believe／guess／suppose/ imagine等词的句式中，如果从句有否定，否定词应该前移，即否定转移。 I don’t think he will come． I think he will not come．
Isn’t he?
has he?
didn’t she
② invent vt．发明，创作；虚构，杜撰 Alexander Graham Bell invented the telephone in 1876. 1876年阿历山大·格雷厄姆·贝尔发明了电话。 The whole story was invented. 整个故事是虚构的。 inventor n．发明者，发明家，创造者 invention n．发明，创造；发明物
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.
Navigator
sea
nautical instruments
find new islands or continents
Navigator is somebody who finds the position and plots the course of a ship using maps and instruments.
1. How do you think seamen found their way before modern accurate methods of navigation were invented? 在现代精确的导航法尚未发明之前, 你认为航海员是怎样探路的?
Explanation on P11
A
B
4. Read the passage again and use the information to analyse the navigational skills.
Using nature
1. To find the ship’s position at sea a sailor used the North Star and the sun. 2. A sailor knew that land was nearby if he saw _________________________________ _______________________. 3. Sailors used ________________________ ________to increase their speed.
[正]
[误]
1. I believe he is an honest man,____________ 2. We don’t think Tom has broken the regulations,_______ 3. Mary guessed his father must have bought her a beautiful shirt,______
He renewed relations with the Kingdoms of the East African coast. One African king sent the Ming emperor a royal present: two giraffes.
About 700 years ago a young trader from Italy took a long trip to Cathay. Cathay is known as China today. He went with his father and uncle, who had traveled there once before. They stayed in China for about two decades. The young man's name was Marco Polo. He was liked by the leader in China at the time.
He knew four languages and traveled around the kingdom for the leader. When Marco Polo returned to Italy, he dictated his story to a writer. He told of the Chinese postal system, paper money, and the use of coal as fuel.
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.
Reading
Listen to the tape
compass
astrolabe
The astrolabe measures the height and position of the sun. If you can measure this accurately, a sailor can tell how many degrees thhis he can tell where the boat is in the ocean.
Explanation
1.navigator n. 导航者,领航员 navigate vi. 航行, 航海, 航空 vt. 航行于, 驾驶, 操纵, 使通过 They navigated with difficulty through the crowd. 他们在人群中坚难行进。 navigation n. 航海，航行 navigational adj. 航海的，航行的
fresh seaweed, nesting birds returning home in the evening or fog
sea currents or tides and winds
Sextant:
an updated version of the quadrant and so it was more accurate, to measure the angle between two fixed points outside the ship (using two mirrors to find the ship's position).
sextant
The sextant is a navigational instrument for measuring the angle between the horizon and some object in the sky.
quadrant
nautical chart
Nautical charts are maps of the depth of the sea and the currents of the oceans. They provide modern sailors with routes through the seas, rather like roads through the countryside. The information began to be collected in the nineteenth century and has continued to be updated ever since.
Unit2
the Arctic Ocean
the Indian Ocean
the Pacific Ocean
the Atlantic Ocean
What is the difference between a navigator and an explorer?
Reading
Comprehension
Comprehending
1. Read the passage and answer the following questions. What is the use of a bearing circle, astrolabe, quadrant or sextant? ( ) What is the use of a compass? ( ) A. To set the course of the ship B. To measure the position of the ship C. To measure the speed of the ship D. To tell the time
James Cook
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 (1772-1775) he explored Antarctica. In 1776 he undertook his third and final voyage in which he explored
Explorer
land
use of compass and landmarks
find new places within an already identified island or continent
Explorer is somebody who travels into or through a place in order to learn about it. Very often navigators are also explorers.
①这是一个“特殊疑问词+do you think…” 的双重疑问句结构。除think以外believe，guess, suppose等词也可以用于此结构。 What do you suppose has happened to him? 在I think／believe／guess／suppose/ imagine等词的句式中，如果从句有否定，否定词应该前移，即否定转移。 I don’t think he will come． I think he will not come．
Isn’t he?
has he?
didn’t she
② invent vt．发明，创作；虚构，杜撰 Alexander Graham Bell invented the telephone in 1876. 1876年阿历山大·格雷厄姆·贝尔发明了电话。 The whole story was invented. 整个故事是虚构的。 inventor n．发明者，发明家，创造者 invention n．发明，创造；发明物
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.
Navigator
sea
nautical instruments
find new islands or continents
Navigator is somebody who finds the position and plots the course of a ship using maps and instruments.
1. How do you think seamen found their way before modern accurate methods of navigation were invented? 在现代精确的导航法尚未发明之前, 你认为航海员是怎样探路的?
Explanation on P11
A
B
4. Read the passage again and use the information to analyse the navigational skills.
Using nature
1. To find the ship’s position at sea a sailor used the North Star and the sun. 2. A sailor knew that land was nearby if he saw _________________________________ _______________________. 3. Sailors used ________________________ ________to increase their speed.
[正]
[误]
1. I believe he is an honest man,____________ 2. We don’t think Tom has broken the regulations,_______ 3. Mary guessed his father must have bought her a beautiful shirt,______
He renewed relations with the Kingdoms of the East African coast. One African king sent the Ming emperor a royal present: two giraffes.
About 700 years ago a young trader from Italy took a long trip to Cathay. Cathay is known as China today. He went with his father and uncle, who had traveled there once before. They stayed in China for about two decades. The young man's name was Marco Polo. He was liked by the leader in China at the time.
He knew four languages and traveled around the kingdom for the leader. When Marco Polo returned to Italy, he dictated his story to a writer. He told of the Chinese postal system, paper money, and the use of coal as fuel.
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.
Reading
Listen to the tape
compass
astrolabe
The astrolabe measures the height and position of the sun. If you can measure this accurately, a sailor can tell how many degrees thhis he can tell where the boat is in the ocean.
Explanation
1.navigator n. 导航者,领航员 navigate vi. 航行, 航海, 航空 vt. 航行于, 驾驶, 操纵, 使通过 They navigated with difficulty through the crowd. 他们在人群中坚难行进。 navigation n. 航海，航行 navigational adj. 航海的，航行的
fresh seaweed, nesting birds returning home in the evening or fog
sea currents or tides and winds
Sextant:
an updated version of the quadrant and so it was more accurate, to measure the angle between two fixed points outside the ship (using two mirrors to find the ship's position).
sextant
The sextant is a navigational instrument for measuring the angle between the horizon and some object in the sky.
quadrant
nautical chart
Nautical charts are maps of the depth of the sea and the currents of the oceans. They provide modern sailors with routes through the seas, rather like roads through the countryside. The information began to be collected in the nineteenth century and has continued to be updated ever since.