(共27张PPT)
Space Exploration
Discovering Useful Structures
Unit 4
人教版高中英语必修第三册
Unit 4 Space Exploration
子主题2:关注太空探索历史及成就
Period 3 Discovering Useful Structures
Describe space facts and efforts to explore space
激活已知
Activity 1: Revise and answer
What do you know about Yuri Gagarin
On 12 April 1961, Yuri Gagarin became the first person in the world to go into space.
to do
感知注意
Activity 2: Think and discuss in groups
What are the functions of infinitive in a sentence
Can you give some examples to show its functions
to do
Functions
获取梳理
1. I trained for a long time to fly airplanes as a fighter pilot.
2. As we all know, an astronaut needs to be healthy and calm in order to work in space.
3. First of all, you must be intelligent enough to get a related college degree.
4. Some scientists were determined to help humans realise their dream to explore space.
5. On 12 April 1961, Yuri Gagarin became the first person in the world to go into space.
Activity 3: Recognise and analyse
Look at the following sentences. Focus on the italicized infinitives and identify their functions by changing the parts with infinitive into clauses.
获取梳理
1. I trained for a long time to fly airplanes as a fighter pilot.
I trained for a long time in order that I could fly airplanes as a fighter pilot.
2. As we all know, an astronaut needs to be healthy and calm
in order to work in space.
As we all know, an astronaut needs to be healthy and calm
in order that he/she can work in space.
3. First of all, you must be intelligent enough to get a related
college degree.
First of all, you must be intelligent enough so that you could get a related college degree.
Adverbial clause
Adverbial clause
Adverbial clause
获取梳理
4. Some scientists were determined to help humans realise their dream to explore space.
Some scientists were determined to help humans realise their dream which was to explore space.
5. On 12 April 1961, Yuri Gagarin became the first person in the world to go into space.
On 12 April 1961, Yuri Gagarin became the first person in the world who went into space.
Restrictive attributive clause
Restrictive attributive clause
获取梳理
1. I trained for a long time to fly airplanes as a fighter pilot.
2. As we all know, an astronaut needs to be healthy and calm in order to work in space.
3. First of all, you must be intelligent enough to get a related college degree.
4. Some scientists were determined to help humans realise their dream to explore space.
5. On 12 April 1961, Yuri Gagarin became the first person in the world to go into space.
Adverbial
Adverbial
Adverbial
Attribute
Attribute
Activity 4: Skim and find
分析判断
… and scientists work hard to find answers.
They make vehicles to carry brave people into space to find out the secrets of the universe.
More recently, China has sent Chang’e 4 to explore the surface of the far side of the moon to make measurements and …
Skim the part of Reading and Thinking and find out more infinitives as the adverbial or the attribute.
Adverbial
Activity 4: Skim and find
分析判断
…but the desire to explore the universe never died.
China became the third country in the world to independently send humans into space in 2003…
This signalled one step further in China’s plan to establish a space station in the future.
Skim the part of Reading and Thinking and find out more infinitives as the adverbial or the attribute.
Attribute
获取梳理
Activity 5: Observe, analyse and summarise
First of all, you must be intelligent enough to get a related college degree.
I trained for a long time to fly airplanes as a fighter pilot.
Scientists work hard to find out the secrets of the universe.
… an astronaut needs to be healthy and calm in order to work in space.
The logic subject
The relationship
you, I, scientists, astronaut
Active
It’s the subject of the sentence.
Part 1: Find out the infinitive’s logic subject, analyse the relationship between the infinitive and its logic subject and talk about what kind of adverbial it is.
Adverbial
目的状语
获取梳理
Activity 5: Observe, analyse and summarise
I’m afraid the whole process is too complicated to explain in a few words.
We were surprised to find that he had already left.
The logic subject
The relationship
I, we
Active
It’s the subject of the sentence.
Part 1: Find out the infinitive’s logic subject, analyse the relationship between the infinitive and its logic subject and talk about what kind of adverbial it is.
Adverbial
结果状语
原因状语
概括整合
Infinitive as adverbial
1.可表示:
__________________________________________
2.常见结构有:
__________________________________________
__________________________________________
__________________________________________
目的,原因,结果
in order/so as to 表目的
too...to; only to; 表结果
sb.+be+adj.+to; 表原因
Activity 5: Observe, analyse and summarise
Part 2: Fill in the table according to what you have analysed.
获取梳理
Activity 5: Observe, analyse and summarise
Some scientists were determined to help humans realise their dream to explore space.
… but the desire to explore the universe never died.
This signalled one step further in China’s plan to establish a space station in the future.
The logic subject
Feature of the logic subject
dream, desire, plan
abstract nouns
words modified by the infinitives
Part 3: Find out the infinitive’s logic subject and analyse the feature of its logic subject.
Attribute
获取梳理
Activity 5: Observe, analyse and summarise
On 12 April 1961, Yuri Gagarin became the first person in the world to go into space.
China became the third country in the world to independently send humans into space in 2003 …
The logic subject
Feature of the logic subject
the first person, the third country
ordinal numbers in front
words modified by the infinitives
Part 3: Find out the infinitive’s logic subject and analyse the feature of its logic subject.
Attribute
概括整合
Infinitive as attribute
1.可修饰:___________________________________
2.一般置于被修饰词:_________________________
3.后接不定式作定语的名词常见的有:
___________________________________________
___________________________________________
4.多表示动作:________ (将发生/正发生/已发生)
名词,代词
Activity 5: Observe, analyse and summarise
Part 4: Fill in the table according to what you have analysed.
后面
抽象名词如desire, dream, plan, way, goal等;或名词前有first, last等序数词修饰时
将发生
内化运用
In 2003, Yuri Malenchenko became the first person who got married in space.
In space, astronauts collect all dirty water so that it can be recycled for later use.
Activity 6: Rewrite and change
Rewrite the sentences using infinitives or “in order to/so as to do”. Change the italicized parts accordingly.
In 2003, Yuri Malenchenko became the first person to get married in space.
In space, astronauts collect all dirty water so as to recycle it for later use.
Restrictive attibutive clause
Adverbial clause of purpose
内化运用
Mankind has always been curious about the universe and many people have dreamt that one day they would fly into space.
Astronauts’ bones and muscles can get very weak in space due to the lack of gravity, so they need to exercise every day, which will help them stay healthy.
Activity 6: Rewrite and change
Rewrite the sentences using infinitives or “in order to/so as to do. Change the italicized parts accordingly.
Mankind has always been curious about the universe and many people have dream to fly into space.
Astronauts’ bones and muscles can get very weak in space due to the lack of gravity, so they need to exercise every day so as to/in order to/to keep healthy.
Non-restrictive attibutive clause
Object clause
内化运用
Astronauts have to use tape to stick everything down while working in space because everything would float off otherwise.
During a spacewalk, astronauts have to move slowly so that they can keep their bodies under control.
Activity 6: Rewrite and change
Rewrite the sentences using infinitives or “in order to/so as to do. Change the italicized parts accordingly.
Astronauts have to use tape to stick everything down while working in space so as to/in order to/to keep everything from floating off.
During a spacewalk, astronauts have to move slowly so as to/in order to/to keep their bodies under control.
Adverbial clause of cause
Adverbial clause of purpose
cause→purpose
Sending people to other planets or even beyond the solar system is not an easy goal (1) _________ (achieve). One of the problems is that the trip would take a very long time. For example, (2) _________ (use) the current technology, it would take over two years (3) _________ (get) to the closest planet, Mars, and back. Although light is the fastest thing (4) _________ (know) in the universe, it could take more than four years to reach the nearest star system. Will scientists figure out a way (5) _________ (store) sufficient food and water for the long journey Is it possible to travel faster than light No one knows the answers yet. However, space scientists never give up. They are experimenting with growing crops in space so as (6) _________ (help) astronauts get enough food on longer journeys through space.
内化运用
学中
to achieve
using
to get
known
to store
to help
Activity 7: Read and complete
Complete the passage with the correct forms of the verbs in brackets.
分析判断
Activity 8: Think and discuss
Think about the differences among -ing, -ed, and to do when they are used as attribute and adverbial.
主动关系,表将来
主动关系,表进行
被动关系,表完成
创造想象
Activity 9: Make an introduction
After orbiting Earth for long, the three crew members departed from the Tiangong space station and returned to the mother planet.
Please work in pairs to make a short introduction about them. Don’t forget to use infinitives in your introduction.
创造想象
Activity 9: Make an introduction
After orbiting Earth for long, the three crew members departed from the Tiangong space station and returned to the mother planet.
For example:
Wang Yaping is the first Chinese woman to live in the Tiangong station and also …
课后作业
Read the passage on page 44 and find sentences with the infinitives used as the attribute and the adverbial.
Homework
Goodbye!
thank you!
敬请各位老师提出宝贵意见!
Bye-bye!