Unit 2 Sailing the oceans Warming up 课件（19张PPT）
文档属性
| 名称 | Unit 2 Sailing the oceans Warming up 课件（19张PPT） |  | |
| 格式 | zip | ||
| 文件大小 | 1.4MB | ||
| 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 | 2019-08-12 16:57:34 | ||
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文档简介
课件19张PPT。Unit 2Sailing the oceansSee a film and answer
the question:
What is about the film?Lead-in: He made seven voyages during his lifetime and contributed greatly to the science of navigation in China. He travelled more than 50,000 km and visited 30 countries new to China and developed many trade links. He is considered one of the earliest
naval explorers in Chinese history.We’re proud of these great navigators for
their great contributions to the world.
New words and expressionsvoyage :long journey by sea or in space
mercy : kindness or forgiveness
at the mercy of : under the control of sb. or sth.
encyclopedia : book or set of books giving information about every branch of knowledge
exploration : activity of exploring
minimum : least or smallest
celestial :heavenly; of the sky
pole : point
New words and expressionsequator : imaginary line around the earth half between its north and south poles
horizon : line at which the earth and sky appear to meet
knot : a part where one or more pieces of string, rope ,cloth etc.
accelerate : speed up
log : thick piece of wood
magnetic : having the qualities of a magnet
precise : exact or accurate
Compass /' k?mp?s/Astrolabe(星盘) /'?str?le?b/Sextant(六分仪）/'sekstent/Sea/Nautical Chart（航海图）Early navigational instrumentsHow do you think seaman found
their way before modern accurate
methods of navigation were invented ?1.What is the type of writing of the passage?
A. Narration(记叙文)
B. exposition (说明文)
C. argumentation (议论文)
2. How many instruments are used to find latitude?
A. 3 B. 4 C. 2 D. 5
Fast-readingBB1.How did they use nature to help sail the oceans?
2.Why did they use instruments in the sailing?
3.Why are speed and time important in working out
the longitude of the ship?
4.What are the working principles of the following
instruments? Bearing circle / Sextant
5. What are the language features（特点）of the
passage?
6. What can we learn from ancient navigators?Detailed reading1.How did they use nature to help sail the oceans?Keeping alongside the coastline
Using celestial bodies
Using wildlife
Using the weather
Using the sea
Using celestial bodiesto plot the positionsto work out the latitudea special cloud formation indicates there is land close byUsing wildlifeIf seaweed was fresh and smelled strongly, the ship was close to land.Sea birds could be used to show the way to land when it was nowhere to be seen.Using the weatherTo help identify the position of a stream or river when…To direct their sailingfogwind2.Why did they use instruments in the sailing?Because they could use them to find longitude and latitude.3.Why are speed and time important in working out the
longitude of the 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.
4.Try using your own words to describle the working principles of the following instruments? Bearing circle /Sextant 5.What are the language features of the passage?
6.What can we learn from ancient navigators?
concise precise scientific specificbrave acute determined accurate
practical patient hard-working creativeMake a micro-mind map of the structure of the passage. When you write the summary, please pay attention to the following points:
1.How to start a summary and start with the third person
(tell/discuss/note/state/explain/emphasize/);
2.You just write the main points and leave out the detailed information with no comments.
3.Your language should be concise, accurate and vivid if possible ;
4.Please use some conjunctions to make your summary more natural;
5.Finish the summary within 40words;
6.As time is limited, different groups write different parts.Summary-writingExchange your summary with your partners
to appreciate his or her advantages according
to the following points.
1.Proper starting
2.Main points
3.Proper conjunctions
4.Concise and accurate languages
5.Tenses and voices
6.HandwritingAppreciation1.Read the passage again to further understand the passage.
2.Polish your micro-writing.
3.Each group choose a situation of Exercise 3 in “comprehending ” to finish it ,and next period we’ll check and share your answers.Homework
the question:
What is about the film?Lead-in: He made seven voyages during his lifetime and contributed greatly to the science of navigation in China. He travelled more than 50,000 km and visited 30 countries new to China and developed many trade links. He is considered one of the earliest
naval explorers in Chinese history.We’re proud of these great navigators for
their great contributions to the world.
New words and expressionsvoyage :long journey by sea or in space
mercy : kindness or forgiveness
at the mercy of : under the control of sb. or sth.
encyclopedia : book or set of books giving information about every branch of knowledge
exploration : activity of exploring
minimum : least or smallest
celestial :heavenly; of the sky
pole : point
New words and expressionsequator : imaginary line around the earth half between its north and south poles
horizon : line at which the earth and sky appear to meet
knot : a part where one or more pieces of string, rope ,cloth etc.
accelerate : speed up
log : thick piece of wood
magnetic : having the qualities of a magnet
precise : exact or accurate
Compass /' k?mp?s/Astrolabe(星盘) /'?str?le?b/Sextant(六分仪）/'sekstent/Sea/Nautical Chart（航海图）Early navigational instrumentsHow do you think seaman found
their way before modern accurate
methods of navigation were invented ?1.What is the type of writing of the passage?
A. Narration(记叙文)
B. exposition (说明文)
C. argumentation (议论文)
2. How many instruments are used to find latitude?
A. 3 B. 4 C. 2 D. 5
Fast-readingBB1.How did they use nature to help sail the oceans?
2.Why did they use instruments in the sailing?
3.Why are speed and time important in working out
the longitude of the ship?
4.What are the working principles of the following
instruments? Bearing circle / Sextant
5. What are the language features（特点）of the
passage?
6. What can we learn from ancient navigators?Detailed reading1.How did they use nature to help sail the oceans?Keeping alongside the coastline
Using celestial bodies
Using wildlife
Using the weather
Using the sea
Using celestial bodiesto plot the positionsto work out the latitudea special cloud formation indicates there is land close byUsing wildlifeIf seaweed was fresh and smelled strongly, the ship was close to land.Sea birds could be used to show the way to land when it was nowhere to be seen.Using the weatherTo help identify the position of a stream or river when…To direct their sailingfogwind2.Why did they use instruments in the sailing?Because they could use them to find longitude and latitude.3.Why are speed and time important in working out the
longitude of the 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.
4.Try using your own words to describle the working principles of the following instruments? Bearing circle /Sextant 5.What are the language features of the passage?
6.What can we learn from ancient navigators?
concise precise scientific specificbrave acute determined accurate
practical patient hard-working creativeMake a micro-mind map of the structure of the passage. When you write the summary, please pay attention to the following points:
1.How to start a summary and start with the third person
(tell/discuss/note/state/explain/emphasize/);
2.You just write the main points and leave out the detailed information with no comments.
3.Your language should be concise, accurate and vivid if possible ;
4.Please use some conjunctions to make your summary more natural;
5.Finish the summary within 40words;
6.As time is limited, different groups write different parts.Summary-writingExchange your summary with your partners
to appreciate his or her advantages according
to the following points.
1.Proper starting
2.Main points
3.Proper conjunctions
4.Concise and accurate languages
5.Tenses and voices
6.HandwritingAppreciation1.Read the passage again to further understand the passage.
2.Polish your micro-writing.
3.Each group choose a situation of Exercise 3 in “comprehending ” to finish it ,and next period we’ll check and share your answers.Homework