人教版选修9 Unit 2 Sailing the oceans Reading 课件(共28张PPT)

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名称 人教版选修9 Unit 2 Sailing the oceans Reading 课件(共28张PPT)
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资源类型 教案
版本资源 人教版(新课程标准)
科目 英语
更新时间 2019-06-21 17:54:17

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课件28张PPT。人教版高三年级英语选修九第二单元Sailing the OceansSailing the oceansReading Book 9 Unit 2 宁夏六盘山高级中学 姚佳煜Objects for TodayBy the end of the lesson, the students will be able to:1. know the ancient technology for sailing.
2. grasp the Mind Map Writing.
3. raise the awareness of the importance of science and technology.The Silk Road Economic Belt and
the 21st Century Maritime Silk Road
The Belt and RoadSailing technology in ancient China 以针横贯灯芯,浮于水上,亦指南。
--- 《梦溪笔谈》Compass Needle牵星板郑和“往返牵星,七下西洋”Drawing stars overseas
过洋牵星术牵星图TASK1: Read the first para.What is the question the author wants to answer in the passage.How did they navigate so well?Reading skill 1:
The first para will introduce the main idea.ReadingTASK2.Mind map the passage.North StarSun
seaweedbirdscloudsfogwindsThe Bearing circleThe AstrolabeThe QuadrantThe SextantReading skill 2:
Mind map can help us get the structure of the passage easily.How
natureinstrumentsCelestial bodieswildlifewhethersealongitudelatitudecoastlineTASK 3: Check your preview .What’s the functions of the helpers on Page 1.naturecelestial bodieswildlifeweatherseaNorth Starsunwindsbirdscloudsfogtides&
currentsplot their positionwork out their latitudedirect their sailing, accelerate the speedclose to landfollow the birds to landindicate there is land identify the positioncarry ships to their destinationseaweedcoastlinecarried the minimum amount of riskTASK 4: How many methods are mentioned in this part?Two methods.Reading skill 3:
Get the information from the key words--- v. or n.Finding latitude:The Bearing CircleThe AstrolabeThe QuadrantThe SextantABCDTask 5. Introduce the instrumentsGroup 1: Find the working principles.Group 2:Find the adjectives.the Bearing circle: A seaman would measure the sun’s shadow and compare the height of the sun now with the position of the 'sun at middayThe working principles: It would tell the position of the ship in relation to the sun and various stars. This gave the seamen the local time and allowed them to find their latitude.the Astrolabe:It measured how high stars are above the horizon using a quarter circle.the Quadrant: the Sextant:It works by measuring the angle between two fixed objects outside the ship using two mirrors.The Bearing Circle:
The Astrolabe:
The Quadrant:
The Sextant:correctearliest special awkward precise simplified easier portable difficultupdated accurate reliable precise easierReading skill 4:
Judge the attitude from adj.reading writingMind map can make the structure clear.
The first paragraph will state the main idea.
V. n. and adj. are the key words.sciencetechnologyThe Age of DiscoveryThe West began to lead the world.Joseph Needhama British scientist, historian and sinologist(汉学家).Why was China overtaken by the West in science and technology?SpeakingThe Needham Question (李约瑟难题) Xi: Welcome to China, President Macron.
M: Thank you,sir. I love China, but it‘s widely acknowledged that China ---. Why?
Xi: The reason is that---.
M: Any more?
Xi: What's far more important is that ---.
M: ---
Xi: It was because ---
M: Thank you very much ,sir. I believe ---
Xi: ---Why was China over-takenPara1.We overtakesuccessesPara2.Para3.Mind
Map
Writing1. It's widely acknowledged that ------
2. Some reasons can explain this question. First of all,--- .Secondly,---. Furthermore,---.
3. The reason why --- is that ---
4.What's far more important is that---.
5.There's no denying the fact that ---.
6. Now there is a growing awareness of the necessity to
7. To begin with; What‘s more; In addition; Last but not least; To sum up; In short.Why was China overtaken by the West in science and technology?Finish the mind map altogether first.
Every one will finish one part of the passage. 科技是国之利器。国家赖
之以强,人民生活赖之以好。
习近平 Homework 1.Polish your article.
2.Read the passage .