人教版高中英语选修九 unit2 sailing the oceans 单元课件(共112张PPT)
I at once began making preparations for a trip home. 我马上开始为回家做准备。
Our American friends are making a tour of Shanghai. 我们的美国朋友正在对上海进行巡回旅 行。
He came back home after years of foreign travel. 在多年的国外旅行后他回到了家。
Unit 2 Sailing oceans
1. I belieபைடு நூலகம்e he is an honest man,___Is_n_’t_h_e_?____
2. We don’t think Tom has broken the regulations,___h_a_s_h_e?
3. Mary guessed his father must have bought her a beautiful shirt,__d_id_n_’_t she
弄明白
⑶ I can’t work out Geoff ; one day he’s friendly ,the next day he ignores me completely. 明白 ⑷ I haven’t worked out who’s gong to look after the kids tonight. 计划
在经纬度未能绘出航船在地图上的 位置之前，我们很想知道航海员是怎样 在海上探险的。
① may/might well 很可能，极有可能 These are excellent photographs and we
may well use them in our magazine. 这些是很不错的照片，我们很有可能
Language points in reading 1
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
It’s a mercy (that) (口)幸运的是,幸亏 (用于表示更遭的情况得以避免总算是幸 运) It’s a mercy the accident happened so near the hospital. 幸亏事故发生在离医院很近的地方。
It’s a mercy she wasn’t seriously hurt. 幸运的是她伤势不重。
5. latitude The angular distance north or south of the earth's equator, measured in degrees along a meridian, as on a map or globe. 纬度：地球赤道北或南的角距离，例如在 地图或地球仪上沿着子午线用度数测量
Have you really explored your nearest town? 你真的考察了离你们那儿最近的城镇 了吗？
3.特殊疑问词+do you think…双重疑问句 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． [正] I think he will not come． [误]
going to do sth. and plan a good way of doing it 精心制定出，安排
eg.
⑴ See if you can work out this bill
out.
计算
⑵ The plot is so complicated that it’ll
take you a while to work it out.
2.explorer n. 勘探者,考察者(考察的人, 尤指考察某一地理区域的人) explore v. 探险, 探测, 探究 exploration n. 探险, 探测
His mother is a arctic explorer. 他妈妈是一个到北极探险考察的人。
We must explore all the possibilities for the solution of the problem. 我们必须探讨解决这个问题的所有可 能性。
voyage 强调较远距离的水上或空中旅行 或游历。 tour 指周游或巡回旅行，常常是访问一 系列地方后再回到原出发点。
e.g. We will have a comfortable voyage to the Far East through air. 我们乘飞机去远东旅游将会非常舒适。
The journey to the seaside will take not more than two days. 到海边去旅行最多需要花费两天时间。
经线：地球表面的成角距离，从英国格林 威治的本初子午线向东或向西至经过某一 点的子午线计量，以度（或小时）、分和 秒表示。
e.g. Our position is longitude 116 degrees east. 我们的位置是东经116度。
7. identify vt.把…等同于;认出,鉴定, 认为同一 I identified the jacket at once；it was my brother’s． He identifies beauty with goodness． identify oneself with 与……有联系,支持
I think it important for him to learn English well． 我认为学好英语对他很重要。
I have made it clear that I object to the plan. 我已经表明我反对这个计划。
2. The voyages of travelers before the 17th century show that they were not at the mercy of the sea even though they did not have modern navigational aids. 17世纪前的海上航行表明，即使没有现 代航海术的帮助，旅行者也没有受大海 的支配。
They were lost at sea, at the mercy of
wind and weather. 他们在海上迷失了方向,任凭风和天气
的摆布。
I don’t like to be at the mercy of
such a man. 我不愿受这样一个人的摆布。
have mercy on/ show mercy to 对……表示怜悯 The terrorists showed no mercy to the hostages. 恐怖分子对人质残酷无情。 without mercy 毫不留情地 The mother left the dying baby in the hospital without mercy. 那位母亲狠心地把垂死的婴儿丢弃在医院。
They have got everything ready to
make a _____ across the Atlantic.
A. trip
B. travel
C. voyage
D. tour
② at the mercy of
without any protection against; helpless before 任由…摆布；在…面前无助
He preferred not to identify himself with
that group.
identification n. 辨认, 鉴定, 证明, 视为同一
identity n. 同一性, 身份, 一致, 特性, 恒等式 identity card 身份证
1. We may well wonder how seamen explored the oceans before latitude and longitude made it possible to plot a ship’s position on a map.
trip, journey, travel, voyage, tour
trip 指休闲或因商的短途旅行 journey 指从一地出发直达目的地的长 途陆路旅行或旅程，不含回到原出发点 之意。 travel 常指到国外或某个遥远的地方去， 不强调具体目的地。指具体的旅行时常 用复数，用单数一般表示旅行的抽象概 念。
即便他能通过考试，以后找工作也成 问题。
They wouldn’t lose heart even if they failed ten times.
即使他们失败十次也不灰心丧气。
B.引出事实 Even though he was late, he was not criticized by the teacher. 他虽然迟到了，也没有挨老师的批评。 I can still remember, even though it was so long ago. 虽然这是很久以前的事，我还记得。
4. work out ① to calculate an answer, amount, price, or value 计算 ② to think about sth. and manage to understand it 设法弄懂 ③ to think carefully about how you are
Our American friends are making a tour of Shanghai. 我们的美国朋友正在对上海进行巡回旅 行。
He came back home after years of foreign travel. 在多年的国外旅行后他回到了家。
Unit 2 Sailing oceans
1. I belieபைடு நூலகம்e he is an honest man,___Is_n_’t_h_e_?____
2. We don’t think Tom has broken the regulations,___h_a_s_h_e?
3. Mary guessed his father must have bought her a beautiful shirt,__d_id_n_’_t she
弄明白
⑶ I can’t work out Geoff ; one day he’s friendly ,the next day he ignores me completely. 明白 ⑷ I haven’t worked out who’s gong to look after the kids tonight. 计划
在经纬度未能绘出航船在地图上的 位置之前，我们很想知道航海员是怎样 在海上探险的。
① may/might well 很可能，极有可能 These are excellent photographs and we
may well use them in our magazine. 这些是很不错的照片，我们很有可能
Language points in reading 1
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
It’s a mercy (that) (口)幸运的是,幸亏 (用于表示更遭的情况得以避免总算是幸 运) It’s a mercy the accident happened so near the hospital. 幸亏事故发生在离医院很近的地方。
It’s a mercy she wasn’t seriously hurt. 幸运的是她伤势不重。
5. latitude The angular distance north or south of the earth's equator, measured in degrees along a meridian, as on a map or globe. 纬度：地球赤道北或南的角距离，例如在 地图或地球仪上沿着子午线用度数测量
Have you really explored your nearest town? 你真的考察了离你们那儿最近的城镇 了吗？
3.特殊疑问词+do you think…双重疑问句 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． [正] I think he will not come． [误]
going to do sth. and plan a good way of doing it 精心制定出，安排
eg.
⑴ See if you can work out this bill
out.
计算
⑵ The plot is so complicated that it’ll
take you a while to work it out.
2.explorer n. 勘探者,考察者(考察的人, 尤指考察某一地理区域的人) explore v. 探险, 探测, 探究 exploration n. 探险, 探测
His mother is a arctic explorer. 他妈妈是一个到北极探险考察的人。
We must explore all the possibilities for the solution of the problem. 我们必须探讨解决这个问题的所有可 能性。
voyage 强调较远距离的水上或空中旅行 或游历。 tour 指周游或巡回旅行，常常是访问一 系列地方后再回到原出发点。
e.g. We will have a comfortable voyage to the Far East through air. 我们乘飞机去远东旅游将会非常舒适。
The journey to the seaside will take not more than two days. 到海边去旅行最多需要花费两天时间。
经线：地球表面的成角距离，从英国格林 威治的本初子午线向东或向西至经过某一 点的子午线计量，以度（或小时）、分和 秒表示。
e.g. Our position is longitude 116 degrees east. 我们的位置是东经116度。
7. identify vt.把…等同于;认出,鉴定, 认为同一 I identified the jacket at once；it was my brother’s． He identifies beauty with goodness． identify oneself with 与……有联系,支持
I think it important for him to learn English well． 我认为学好英语对他很重要。
I have made it clear that I object to the plan. 我已经表明我反对这个计划。
2. The voyages of travelers before the 17th century show that they were not at the mercy of the sea even though they did not have modern navigational aids. 17世纪前的海上航行表明，即使没有现 代航海术的帮助，旅行者也没有受大海 的支配。
They were lost at sea, at the mercy of
wind and weather. 他们在海上迷失了方向,任凭风和天气
的摆布。
I don’t like to be at the mercy of
such a man. 我不愿受这样一个人的摆布。
have mercy on/ show mercy to 对……表示怜悯 The terrorists showed no mercy to the hostages. 恐怖分子对人质残酷无情。 without mercy 毫不留情地 The mother left the dying baby in the hospital without mercy. 那位母亲狠心地把垂死的婴儿丢弃在医院。
They have got everything ready to
make a _____ across the Atlantic.
A. trip
B. travel
C. voyage
D. tour
② at the mercy of
without any protection against; helpless before 任由…摆布；在…面前无助
He preferred not to identify himself with
that group.
identification n. 辨认, 鉴定, 证明, 视为同一
identity n. 同一性, 身份, 一致, 特性, 恒等式 identity card 身份证
1. We may well wonder how seamen explored the oceans before latitude and longitude made it possible to plot a ship’s position on a map.
trip, journey, travel, voyage, tour
trip 指休闲或因商的短途旅行 journey 指从一地出发直达目的地的长 途陆路旅行或旅程，不含回到原出发点 之意。 travel 常指到国外或某个遥远的地方去， 不强调具体目的地。指具体的旅行时常 用复数，用单数一般表示旅行的抽象概 念。
即便他能通过考试，以后找工作也成 问题。
They wouldn’t lose heart even if they failed ten times.
即使他们失败十次也不灰心丧气。
B.引出事实 Even though he was late, he was not criticized by the teacher. 他虽然迟到了，也没有挨老师的批评。 I can still remember, even though it was so long ago. 虽然这是很久以前的事，我还记得。
4. work out ① to calculate an answer, amount, price, or value 计算 ② to think about sth. and manage to understand it 设法弄懂 ③ to think carefully about how you are
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高中英语 Unit2Sailing the oceans-Reading课件 新人教选修9
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. These charts were not available to Captain Bligh or Zheng He.
3. Can you identify these early navigational instruments seamen used and explain how they are used?
1) compass ( in ancient China) 2) astrolabe 3) sextant 4) sea / nautical / marine chart
Speed and time are important in finding out the longitude of a ship because the earth moves fifteen degrees westwards every hour. If you know your direction, speed and time, you can work out the approximate longitude or change in your position in relation to the stars.
最新人教版高中英语选修九精品课件：精品课件： Unit2Sailing the oceans-Listening
WM: I see! So what did they do?
DS: Well, one of the things they did
was concentrate on watching
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birds. There's the story of a Viking called Raven-Floki. He used to keep birds on his ships but he didn't feed them. Then when he thought land was near he'd let the birds go and if they flew straight to land, all he had to do was to follow them!
DS: Of course. At first if there was no land nearby the seamen used the sky to find their way. They looked
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at the clouds in the daytime and the
ships.
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LISTENING TEXT
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NAVIGATIONAL SECRETS Wang Ming (WM) has come to the Maritime Museum in Greenwich to talk
to the naval historian Dr Smith (DS).
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Keep south of Iceland so that you cannot see land but just coastal birds.
高中英语 Unit2Sailing the oceans-Reading课件 新人教选修9 公开课精品课件
ห้องสมุดไป่ตู้extant
The sextant is a navigational instrument for measuring the angle between the horizon and some object in the sky. First a sailor looks at the horizon through an eyepiece. At the same time he can see light from the sun or a star reflected off a small mirror on top of the instrument, onto a second mirror and into the eyepiece.
What would you do if : You were offshore but you needed more food and water.
Plan of action Follow nesting birds to shore ; look for special cloud formations or fog over streams to find land.
discovered a long time before longitude.
3. Can you identify these early navigational instruments seamen used and explain how they are used? 1) compass ( in ancient China) 2) astrolabe 3) sextant 4) sea / nautical / marine chart
高中英语 Unit2Sailing the oceansReading课件 新人教选修9
3) Why is the position of the sun and various stars useful for working out latitude? The position of the sun and stars are useful for working out latitude because they are fixed points in the sky and their movements in relation to the earth are already known. So they can be used to measure a ship's position.
Follow nesting birds to shore ; look for special cloud formations
or fog over
streams to find
land.
What would you do Plan of action if :
You wanted to keep a straight course.
sextant
The sextant is a navigational instrument for measuring the angle between the horizon and some object in the sky. First a sailor looks at the horizon through an eyepiece. At the same time he can see light from the sun or a star reflected off a small mirror on top of the instrument, onto a second mirror and into the eyepiece.
高中英语 Unit2《Sailing the oceans》Textbook课件 新人教选修9
2 Why are speed and time important in working out the longitude of a ship?
Speed and time are important in finding out the longitude of a ship because the earth moves fifteen degrees westwards every hour. If you know your direction, speed and time, you can work out the approximate longitude or change in your position in relation to the stars.
use the compass and the astrolabe, quadrant or sextant to find out your position, return to your former course
follow nesting birds to shore; look for special cloud formations or fog over streams to find land
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高中英语 Unit2Sailing the oceans-Reading课件 新人教选修9
3. Read the chart below and fill in your plans of action to deal with them.
What would you do Plan of action if : You were far from Wait till the storm is land and a storm over, and then find arose. your new position and return to your original course.
What would you Plan of action do if : You were blown Use the compass off-course. and the astrolabe , quadrant or sextant to find out your position , return tou do if : You were offshore but you needed more food and water.
Plan of action Follow nesting birds to shore ; look for special cloud formations or fog over streams to find land.
3) Why is the position of the sun and various stars useful for working out latitude? The position of the sun and stars are useful for working out latitude because they are fixed points in the sky and their movements in relation to the earth are already known. So they can be used to measure a ship's position.
人教版高中英语选修9课件 Unit 2 Sailing the oceans-Listening 课件
WM: Did he find any new lands to live on? DS: Well, he did find a good way of sailing from the Faroe Islands to Iceland using his ravens. It’s said that he took three birds on his ship with him. When he’d been sailing for a day or two towards Iceland he let the first bird go.
explain these sailing strategies.
1. Vikings used to prefer to sail following
the coastline so they could check that
they were on the correct route.
2. Vikings used birds, and natural features like mountains, to direct their ships.
Zheng He remarks how much the foreign kings liked porcelain and silk. 1. He brought a giraffe for the Emperor from Africa. 2. He brought scarves of fine gold decorated with pearls and precious stones.
WM: That sounds clever! I’ve heard too about the Polynesians in the Pacific Ocean. They did some amazing voyages without any navigational instruments to help them at all. How did they do that? DS: Nobody’s really quite sure.
高中英语 Unit2Sailing the oceans-Textbook课件 新人教选修9 公开课精品课件
2 What problems would you anticipate for this journey?
I would anticipate very hot weather (around the equator), cold weather (around the Cape of Good Hope), very stormy seas (around the Cape), and problems with food and water (unless helped by local natives the water may be contaminated and the food scarce), etc.
4 Which ones do you think are still used today? Sea charts are still used today.
Comprehending
1 Read the passage and answer the following questions. 1 What is the use of a bearing circle, astrolabe, quadrant or sextant? (B)
2 A sailor knew that land was nearby if he saw _fr_e_s_h_s_e_a_w_e_e_d_,_n_e_s_ti_n_g_b_i_rd_s__re_t_u_rn_i_n_g _h_o_m_e__in__th_e__ev_e_n_i_n_g_o_r__fo_g__ .
3 What would you do if you came across the following problems during your voyage? Read the chart below and fill in your plans of action to deal with them.
高中英语 Unit2《Sailing the oceans》Textbook课件 新人教版选修9
4 Read the passage again and use the information to analyse the navigational skills. Write the answers in your own words. Using nature
1 To find the ship's position at sea a sailor used the North Star and the sun.
Navigator sea nautical instruments
find new islands or continents
Navigator is someone who finds the position and plots the course of a ship, an aircraft, a car, etc, using maps and instruments.
What would you do if: Plan of action
wait till the storm is You were far from over, and then find land and a storm arose. your new position
and return to your original course
• Beating circle: _to__c_o_m_p_a_r_e_t_h_e_h_e_i_g_h_t _o_f_th_e__s_u_n_n_o_w____ _w_i_th__t_h_e_p_o_s_it_io_n__o_f_t_h_e_'s_u_n__at__m_i_d_d_ay.
• Astrolabe: __to__c_o_m_p_a_r_e_t_h_e_p_o_s_i_ti_o_n_o_f_t_h_e_s_h_i_p_i_n__ __r_el_a_ti_o_n__t_o_s_o_m_e__s_ta_r_s_o_r_t_h_e_s_u_n___ .
高中英语 Unit2Sailing the oceans-Reading课件 新人教选修9 公开课精品课件
3. Read the chart below and fill in your plans of action to deal with them.
What would you do Plan of action if :
You were far from land and a storm arose.
off-course.
and the astrolabe ,
quadrant or sextant
to find out your
position , return to
your former course.
What would you do Plan of action
if :
You were offshore but you needed more food and water.
sextant
The sextant is a navigational instrument for measuring the angle between the horizon and some object in the sky. First a sailor looks at the horizon through an eyepiece. At the same time he can see light from the sun or a star reflected off a small mirror on top of the instrument, onto a second mirror and into the eyepiece.
the sextant mean the same thing?
Comprehending