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视频标签：Sailing,the oceans
所属栏目：高中英语优质课视频
视频课题：人教版高中英语选修九Book9 Unit2 Sailing the oceans Warming-up Pre-reading Reading内蒙古
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人教版高中英语选修九Book9 Unit2 Sailing the oceans Warming-up Pre-reading Reading内蒙古师范大学附属第二中学
内蒙古师范大学第二附属中学学校2017-2018学年第一学期
高一年级 英语 备课组教案
授课时间
2018年 6 月13日
课时 1
课题
M9U3 Sailing the oceans
Period1 Warming up &Pre-reading & Reading
课型
新授/探究、练习
教学目标
1. Learning aims：To use skimming and scanning to get the information and learn how seaman explored the oceans before modern instruments were used.
2. Ability aims: To learn how to prepare a journey across the North sea to England.
3. Emotional aims: To help students appreciate the wisdom of ancient people while sailing the oceans
重点 How to improve the students’ reading ability.
难点
1. To use mind map to summary the story.
2. To practice students speaking ability on how to prepare a week’s journey.
教 学 内 容
教学步骤
调整补充
复习 内容
Review words and expressions
a. Key words and expressions
navigate, navigator, navigation, navigational; explore, explorer, exploration b. Talk about sailing the oceans.
预习 内容 Familiar with new words and finish the learning paper.
新 课 导 入
一、Lead-in
1) To show a short video about sailing. Then ask : T:What are they doing? S: They are sailing. T:Who are they? S: They are seamen.
In pair discuss “what is a navigator? ” Aa
A navigator explorers new routes across the sea. What is an explorer? A
An explorer discovers new places on land.
Navigator sea Nautical instruments Find new islands or continents a a a a a
Explorer land Use compass and landmarks Find new places Within an already identified island
or continent
课程 讲授
二、Pre-reading
Show some pictures to let students know famous people and their contribution in navigation.
Ask the students if the want to know some famous navigators and explorers and how do they found their way before modern accurate methods of navigation were invented? How do they work ? which ones do think still used today?
A bearing circle: the first instrument to measure the sun’s position and the sun’s shadow.
An astrolabe: a special tool for telling the position of the ship in relation to the sun and various stars.
A quadrant: measure how height stars were above the horizon.
A sextant: an updated navigational instrument to measure the angle between two fixed points outside the ship.
A nautical/chart: a map of the depth of the sea and the currents of the oceans.
三．Reading
Skimming comprehension questions
1.From the reading passage we have learned _________. A. why early seamen wanted to sail the seven seas B. that there is useful information in an encyclopedia
C. that early sailors went exploring the sea using their skills and simple instruments
D. why latitude and longitude are important to plot a ship’s position 2.When did early sailors have a practical method of measuring longitude?
A．The 12th century. B．The 17th century. C．The 15th century.
D．The 16th century.
3. The author of the passage implies that the ancient navigators were A. hard-working. B. brave. C. intelligent. D. energetic
4. Ancient navigators use navigational instruments to help them A. find celestial bodies. B. predict the weather. C. explore the sea. D. find latitude 答案：CBCD
scanning Using nature
1.To
find
the
ship’s
position
at
sea
a
sailor
used
_______________________.
2. A sailor knew that land was nearby if he saw ____________________________
3. Sailors used ____________________________ to increase their speed.
Using instruments
There were two methods to find longitude: 1. to calculate longitude using speed and __________ 2. to calculate __________and complicated mathematical tables.
Step 5: Use the mind map analyse the navigational skills
Navigational
skills
Nature
instruments
小结
Write down the working principles of the following instruments:
Bearing circle: to compare the height of the sun now with the of shadow the sun at midday.
Astrolabe: to tell the position of the ship in relation to some stars or the sun.
Quadrant: a more precise form of the astrolabe, to measure how high
stars are above the horizon, and compare that measurement with previous measurements.
Sextant: was the updated version of the astrolabe and quadrant, measuring the angle between two fixed pints outside the ship.
Step 6: Discussion (Group work)
Let’s the students have a discussion by working in pairs or in groups What would you do if you came across the following problems during your voyage?
Imagine you are on a boat with twenty-nine other people. You have a small box for your personal things but it can only hole ten items. What would you need for a week’s journey across the North Sea to England? For example:
Category Items Category Items Clothes
shirt, trousers
Shoes
waterproof boots
Hygiene soap Tools knife, scissors
Bedding blanket Medicines sea-sick tablets, cold
medicine
Games cards, chess Books novels, essay
collections
作业 布置
1. Review this passage.
2. Preview Learning about language.
板书 设计
Unit 2 sailing the oceans
课后 反思
1. 创设各种情景，鼓励学生通过体验、实践，主动探究一些问题。
2. 关注学生，鼓励学生在尝试中学习，尽可能为学生创造语言的机会。
3. 加强学生加强对学生学习策略的指导，让他们在学习和运用的过程中逐步学会如何学习，引导学生结合语境，采用推测、查阅和协调的方法进行学习。
4. 进行有效评价，引导学生在学习过程中，进行自我评价，并根据需要调整自己的学习目标和学习策略。
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