Warmingup、Pre-reading、Reading、Comprehending

1、Module 9 Unit 2Sailing the oceans Reading,人教版选修九第二单元 阅读课 汕头市金山中学 李琳鸿,A mysterious hero,Who is the hero? What did he do? Why did he do that?,A great navigator in Ming Dynasty,Receive tribute（贡品） Show off the emperors glory Make seven voyages The farthest he reached: East Africa,How did he make it?,Mi

2、ssion impossible?,If you were Zhenghe, what navigational methods would you use to make the mission possible?,Prediction,This part serves as an _ of the text.,What is the text mainly about?,What made it possible to plot a position on a map?,Since when have sailors had modern navigational aids?,introd

3、uction,Plotting a position on a maplatitude and longitude,Organization and structure of the text,Titles, subtitles and paragraphs are in different colors and fonts.,Skim the text and try to complete the fishbone diagram.,Using nature to help,Using navigational instruments to help,Keeping alongside t

4、he coastline,Using celestial bodies,Using wildlife,Using the weather,Using the sea,Finding longitude,Finding latitude,1. How did accomplished navigators plot their positions? 2. Why could seabirds show the way to land?,Using nature to help,Using nature to help,1. How did accomplished navigators plot

5、 their positions? By using the north star. 2. Why could seabirds show the way to land? Because in the evening nesting birds return to land and their nests.,Advantages,Convenient,Disadvantages,Inaccurate (rough estimation ),Using nature to help,Useful but not always reliable,How could they improve th

6、eir sailing ability to explore farther at sea?,VS,Using navigational instruments to help,Using navigational instruments to help,knotted,log,counting,speed of the,ship in nautical miles per hour,measuring,approximate,speed,time,compass,magnetic pointer,the North Pole,calculate,complicated mathematica

7、l tables,straight course,Chinese traditional instrument for navigation,Among the Four Great Inventions, the magnetic compass was first invented in the Chinese Han Dynasty (since 206 BC), and later adopted for navigation by the Song Dynasty Chinese during the 11th century.,A new compass,Using navigat

8、ional instruments to help,sailing on his correct course,local time,latitude,awkward,reference,precise,moving,simplified,portable,accurate,rose and plunged,accurate,reliable,Finding Latitude-Matching,They are developments of one another.,The Astrolabe 星盘,The Quadrant 四分仪,The Sextant 六分仪,According to

9、“Page 2” , if sailors would like to find their latitude, which one had they better take along? Why?,It proved to be the most accurate and reliable of these early navigational instruments.,Problem-solving,What instruments can help find longitude and latitude?,The Sextant 六分仪,Compass 司南,What modern ai

10、ds can replace these two instruments?,Modern navigational aids,The Global Positioning System (GPS),Modern navigational aids,BeiDou Navigation Satellite System (China),Post-reading,Making full use of Zhenghes sailing course, Chinese government raises a creative initiative（倡议）. What is it? Belt and Ro

11、ad Initiative 一带一路倡议,Post-reading,Zhenghes expedition（远航） lays the foundation for the Maritime Silk Road.,Li Huas Doubts,Im Li Hua, a student from Shantou University. My college set up a canoeing program several years ago, which I take a great interest in. Were preparing to canoe across the Atlantic

12、 from Spain, but I have some doubts about how to plot our positions. Could you help me?,大自然可以帮助我们导航吗？ Can nature help us navigate? 怎么才可以判断接近岸边了呢？ How can we tell whether we are close to land? 夜晚什么物体可以帮助导航？ What are the objects for navigation at night? 为了能够顺利完成航行，你有什么建议吗？ Whats your advice to make th

13、e voyage successful?,Li Huas doubts Translate them into English.,If you were Li Huas friend, how would you help her?,Work with your partner. One is to be Li Hua. The other is to be Li Huas friend. Try to make the dialogue natural and interesting.,If you were Li Huas friend, how would you help her?,R

14、ole Play,Friend: Hi, Li Hua. How is everything going? Li Hua: Im preparing to canoe across the Atlantic Ocean. Friend: Oh, cool! It must be a meaningful journey. Li Hua: But we seem to have met some troubles. Friend: Oh, what troubles? Li Huas questions: Your answers: Li Hua: Thank you for your practical advice! Ill readjust my plan. You: Youre welcome. Wish you a successful challenge!,1.2.3.4.,In my opinion/Personally/As far as Im concerned It would be wise of you to./Maybe you could I would like to suggest that(should)/You may/might as well If I were you, I