Unit 4 Life on Mars Period 3课件(共23张PPT)牛津译林版英语九年级下册
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| 名称 | Unit 4 Life on Mars Period 3课件(共23张PPT)牛津译林版英语九年级下册 |  | |
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| 文件大小 | 1.1MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 牛津译林版 | ||
| 科目 | 英语 | ||
| 更新时间 | 2024-07-21 16:23:34 | ||
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(共23张PPT)
Unit 4
Life on Mars
Period 3
Grammar
1.学习目标
3.重点探究
2.自主学习
学习导航
5.当堂检测
6.课堂总结
4.拓展提升
新课导入
Discussion
Can you use another sentence to express the same meaning
1. The girl who is in a hat is Lucy King.
2. We won't win the Maths competition if you don't support us.
3. The beautiful picture of the food reminds me that it tastes good.
1.能熟悉并正确运用本课时的重点单词和短语。
2.能掌握用介词短语把状语从句转换成简单句。
3.能掌握用介词把宾语从句转换成简单句。
4.能掌握用介词把定语从句转换成简单句。
学习目标
New words
自主学习
aware
circle
agreement
distance
possibility
alien
stranger
adj. 知道，意识到
vi & vt. 围绕；将……圈起来
n. 一致，同意
n. 距离；远处
n. 可能性
n. 外星人
n. 外来者，陌生人
重点探究
Look at the sentences and try to work out the rule.
We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning with at the age of, because of and without. (我们可以用像以at the age of, because of和without开头的介词短语的简单句改写一些状语从句。)
Neil Armstrong received his student pilot's licence when he was 16.
Neil Armstrong received his student pilot's licence at the age of 16.
People might float in space because the gravity is low.
People might float in space because of the low gravity.
Humans cannot survive if there is no food, water or oxygen.
Humans cannot survive without food, water or oxygen.
A. Daniel is writing about visiting another planet. Help him rewrite the sentences using the words in brackets.
1. Neil Armstrong took his first flight when he was only six. (at the age of)
__________________________________________________________
2. Yuri Gagarin became the first man to go into outer space at the age of 27.
(when)
__________________________________________________________
Neil Armstrong took his first flight at the age of six.
Yuri Gagarin became the first man to go into outer space when he was 27.
3. People might move to another planet in the future because the population on the Earth is increasing rapidly. (because of)
___________________________________________________________
___________________________________________________________
4. If there is no fresh food, meals will not be as tasty as they are today. (without)
___________________________________________________________
5. It would be funny to play football on Mars because of the low gravity. (because)
___________________________________________________________
6. Without special boots, you cannot walk on Mars. (if … not )
___________________________________________________________
People might move to another planet in the future because of the rapid increase in population on the Earth.
Without fresh food, meals will not be as tasty as they are today.
It would be funny to play football on Mars because the gravity is low.
If you do not wear special boots, you cannot walk on Mars.
Look at the sentences and try to work out the rule.
The smell of the pills reminds them that food on the Earth is tasty.
The smell of the pills reminds them of the tasty food on the Earth.
Are they sure that space travel will be very fast
Are they sure about the fast speed of space travel
We can rewrite some object clauses in simple sentences with prepositions like of and about. (我们可以用带像of和about这样的介词的简单句改写一些宾语从句。)
B. Millie knows little about the planet Mars. She is asking Daniel for more information. Rewrite Millie's sentences using the words in brackets.
Millie: (1) Are you aware how far Mars is away from the Sun
Daniel: Yes. Mars is about 142,000,000 miles away from the Sun. It takes
Mars about two Earth years to circle around the Sun once.
Millie: (2) Are scientists in agreement that living on Mars would be possible
for humans in the future
Daniel: No. But they're working hard to learn more about Mars.
Millie: (3) Do they think that the low gravity on Mars might be a problem
Daniel: Yes, they do.
Millie: (4) Are you aware that transport could be like on Mars
Daniel: It could be much better than that on the Earth. However, scientists
aren't sure whether people could grow plants on Mars.
Millie: (5) I wonder how many people would like to move to Mars.
(6) I think people should know that life on Mars would be different
from that on the Earth.
1. Are you aware ______________________________________ (distance)
2. Do scientists agree ___________________________________________
__________ (possibility)
3. Have they thought ___________________________________ (problem)
4. Are you aware ______________________________________(transport)
5. I wonder ___________________________________________ (number)
6. I think people should know ____________________________________
__________________ (differences).
of the distance between Mars and the Sun
on the possibility of humans living on Mars in the
future
about the problem of low gravity on Mars
the number of people willing to move to Mars
of the transport on Mars
the differences between life on Mars and
that on the Earth
Look at the sentences and try to work out the rule.
People might live in houses which have huge comfortable rooms.
People might live in houses with huge comfortable rooms.
On Mars you might see people who wear special boots.
On Mars you might see people in special boots.
We can rewrite some defining relative clauses in simple sentences with prepositions like with and in. (我们可以用带像with和in这样的介词的简单句改写一些定语从句。)
C1. Simon is writing about Mars. Rewrite the defining relative clauses in simple sentences with preposition with or in.
1. Mars is a planet that has an environment similar to that of the Earth.
____________________________________________________________
2. Astronauts who wear space suits and helmets might stay on Mars for hours.
____________________________________________________________
3. It is difficult to breathe on a planet that has much thinner air than that on
the Earth.
____________________________________________________________
____________________________________________________________
4. On Mars there might be people who carry air tanks on their backs.
____________________________________________________________
Mars is a planet with an environment similar to that of the Earth.
Astronauts in space suits and helmets might stay on Mars for hours.
It is difficult to breathe on a planet with much thinner air than that on the Earth.
On Mars there might be people with air tanks on their backs.
C2. Simon is interested in stories about aliens. He even writes to aliens. Replace each of the underlined parts in his letter with another expression.
Dear aliens,
Humans are thinking about moving to another planet (1) because the pollution on the Earth is very serious. Many people do not doubt (2) that life on Mars would be very interesting, but I am not sure. We could not play football on Mars (3) because of the low gravity. Life would be boring for me (4) if I could not play football. Maybe this problem could be solved by building indoor playgrounds (5) which have the same football fields as those on the Earth.
By the way, would strangers be welcome I hope to hear from you soon.
Simon
because of the very serious pollution on the Earth.
about the interesting life on Mars.
because the gravity is low.
without playing football.
with the same football fields as those on the Earth.
拓展提升
Language Points
1. Are scientists in agreement that living on Mars would be
possible for humans in the future
科学家们是否一致认为人类将来可能生活在火星上？
in agreement 同意；一致
e.g. I'm glad we are in agreement about one thing, at least.
我很高兴我们至少能就一件事达成共识。
简单句和复合句之间的转换（二）
我们可以用介词短语把状语从句转换成简单句，我们可以用介词把宾语从句和定语从句转换成简单句。如：
She started to learn drawing when she was seven.
她七岁开始学画画。
She started to learn drawing at the age of seven.
I am sure that the concert tickets will be expensive.
我确信这场音乐会的门票会很贵。
I am sure about the high price for the concert tickets.
I prefer to stay in a hotel room which has a sea view.
我更想住在一间海景房。
I prefer to stay in a hotel room with a sea view.
我们可以用介词短语把状语从句转换成简单句。如：
He learnt to swim when he was eight years old. 他八岁时学会了游泳。
He learnt to swim at the age of eight.
He could not go to the party because he had too much homework.
因为他有太多的家庭作业，他不能去聚会。
He could not go to the party because of too much homework.
He cannot solve this problem if he has no help.
如果没有帮助，他无法解决这个问题。
He cannot solve this problem without help.
注意：转换时要注意时态和意思的一致性和准确性。
我们可以用介词把宾语从句转换成简单句。如：
The photos remind me that I travelled to the UK five years ago.
这些照片让我想起我五年前去过英国旅行。
The photos remind me of my trip to the UK five years ago.
Are you certain that Tom is satisfied with the plan
你确信汤姆对这计划满意吗？
Are you certain about Tom's satisfaction with the plan
注意：常用的一些动词和介词的搭配有：
remind somebody of ... 使某人想起……
be sure/certain about ... 对……确信
我们可以用介词把定语从句转换成简单句。如：
Do you know the girl who is holding two books in her hand
你认识那个手里正拿着两本书的女孩吗？
Do you know the girl with two books in her hand
The man who wears a blue shirt is our English teacher.
那位身着蓝色衬衫的男士是我们的英语老师。
The man in a blue shirt is our English teacher.
当堂检测
将下列复合句改成简单句。
1. I can't work out the Maths problem if you don't help me.
I can't work out the Maths problem _________________.
2. Mike went to study in Beijing when he was ten.
Mike went to study in Beijing _____________________.
3. I like singers who wear beautiful dresses.
I like singers __________________________________.
4. I'd like a house which has a swimming pool.
I'd like a house ________________________________.
5. Advertisements are made to make people feel certain that they are true.
Advertisements are made to make people feel certain _____________.
without your help
at the age of ten
in beautiful dresses
with a swimming pool
about their truth
课堂总结
重点单词和短语：
aware, circle, agreement,
distance, possibility, alien, stranger, in agreement
Unit 4
Period 3
简单句和复合句之间的转换（二）:
我们可以用介词短语____________________
和without等将状语从句转换成简单句；
我们可以用介词_________________等将宾语从句转换成简单句；
我们可以用介词_________________等将定语从句转换成简单句。
at the age of, because of
of, about
with, in
Unit 4
Life on Mars
Period 3
Grammar
1.学习目标
3.重点探究
2.自主学习
学习导航
5.当堂检测
6.课堂总结
4.拓展提升
新课导入
Discussion
Can you use another sentence to express the same meaning
1. The girl who is in a hat is Lucy King.
2. We won't win the Maths competition if you don't support us.
3. The beautiful picture of the food reminds me that it tastes good.
1.能熟悉并正确运用本课时的重点单词和短语。
2.能掌握用介词短语把状语从句转换成简单句。
3.能掌握用介词把宾语从句转换成简单句。
4.能掌握用介词把定语从句转换成简单句。
学习目标
New words
自主学习
aware
circle
agreement
distance
possibility
alien
stranger
adj. 知道，意识到
vi & vt. 围绕；将……圈起来
n. 一致，同意
n. 距离；远处
n. 可能性
n. 外星人
n. 外来者，陌生人
重点探究
Look at the sentences and try to work out the rule.
We can rewrite some adverbial clauses in simple sentences with prepositional phrases beginning with at the age of, because of and without. (我们可以用像以at the age of, because of和without开头的介词短语的简单句改写一些状语从句。)
Neil Armstrong received his student pilot's licence when he was 16.
Neil Armstrong received his student pilot's licence at the age of 16.
People might float in space because the gravity is low.
People might float in space because of the low gravity.
Humans cannot survive if there is no food, water or oxygen.
Humans cannot survive without food, water or oxygen.
A. Daniel is writing about visiting another planet. Help him rewrite the sentences using the words in brackets.
1. Neil Armstrong took his first flight when he was only six. (at the age of)
__________________________________________________________
2. Yuri Gagarin became the first man to go into outer space at the age of 27.
(when)
__________________________________________________________
Neil Armstrong took his first flight at the age of six.
Yuri Gagarin became the first man to go into outer space when he was 27.
3. People might move to another planet in the future because the population on the Earth is increasing rapidly. (because of)
___________________________________________________________
___________________________________________________________
4. If there is no fresh food, meals will not be as tasty as they are today. (without)
___________________________________________________________
5. It would be funny to play football on Mars because of the low gravity. (because)
___________________________________________________________
6. Without special boots, you cannot walk on Mars. (if … not )
___________________________________________________________
People might move to another planet in the future because of the rapid increase in population on the Earth.
Without fresh food, meals will not be as tasty as they are today.
It would be funny to play football on Mars because the gravity is low.
If you do not wear special boots, you cannot walk on Mars.
Look at the sentences and try to work out the rule.
The smell of the pills reminds them that food on the Earth is tasty.
The smell of the pills reminds them of the tasty food on the Earth.
Are they sure that space travel will be very fast
Are they sure about the fast speed of space travel
We can rewrite some object clauses in simple sentences with prepositions like of and about. (我们可以用带像of和about这样的介词的简单句改写一些宾语从句。)
B. Millie knows little about the planet Mars. She is asking Daniel for more information. Rewrite Millie's sentences using the words in brackets.
Millie: (1) Are you aware how far Mars is away from the Sun
Daniel: Yes. Mars is about 142,000,000 miles away from the Sun. It takes
Mars about two Earth years to circle around the Sun once.
Millie: (2) Are scientists in agreement that living on Mars would be possible
for humans in the future
Daniel: No. But they're working hard to learn more about Mars.
Millie: (3) Do they think that the low gravity on Mars might be a problem
Daniel: Yes, they do.
Millie: (4) Are you aware that transport could be like on Mars
Daniel: It could be much better than that on the Earth. However, scientists
aren't sure whether people could grow plants on Mars.
Millie: (5) I wonder how many people would like to move to Mars.
(6) I think people should know that life on Mars would be different
from that on the Earth.
1. Are you aware ______________________________________ (distance)
2. Do scientists agree ___________________________________________
__________ (possibility)
3. Have they thought ___________________________________ (problem)
4. Are you aware ______________________________________(transport)
5. I wonder ___________________________________________ (number)
6. I think people should know ____________________________________
__________________ (differences).
of the distance between Mars and the Sun
on the possibility of humans living on Mars in the
future
about the problem of low gravity on Mars
the number of people willing to move to Mars
of the transport on Mars
the differences between life on Mars and
that on the Earth
Look at the sentences and try to work out the rule.
People might live in houses which have huge comfortable rooms.
People might live in houses with huge comfortable rooms.
On Mars you might see people who wear special boots.
On Mars you might see people in special boots.
We can rewrite some defining relative clauses in simple sentences with prepositions like with and in. (我们可以用带像with和in这样的介词的简单句改写一些定语从句。)
C1. Simon is writing about Mars. Rewrite the defining relative clauses in simple sentences with preposition with or in.
1. Mars is a planet that has an environment similar to that of the Earth.
____________________________________________________________
2. Astronauts who wear space suits and helmets might stay on Mars for hours.
____________________________________________________________
3. It is difficult to breathe on a planet that has much thinner air than that on
the Earth.
____________________________________________________________
____________________________________________________________
4. On Mars there might be people who carry air tanks on their backs.
____________________________________________________________
Mars is a planet with an environment similar to that of the Earth.
Astronauts in space suits and helmets might stay on Mars for hours.
It is difficult to breathe on a planet with much thinner air than that on the Earth.
On Mars there might be people with air tanks on their backs.
C2. Simon is interested in stories about aliens. He even writes to aliens. Replace each of the underlined parts in his letter with another expression.
Dear aliens,
Humans are thinking about moving to another planet (1) because the pollution on the Earth is very serious. Many people do not doubt (2) that life on Mars would be very interesting, but I am not sure. We could not play football on Mars (3) because of the low gravity. Life would be boring for me (4) if I could not play football. Maybe this problem could be solved by building indoor playgrounds (5) which have the same football fields as those on the Earth.
By the way, would strangers be welcome I hope to hear from you soon.
Simon
because of the very serious pollution on the Earth.
about the interesting life on Mars.
because the gravity is low.
without playing football.
with the same football fields as those on the Earth.
拓展提升
Language Points
1. Are scientists in agreement that living on Mars would be
possible for humans in the future
科学家们是否一致认为人类将来可能生活在火星上？
in agreement 同意；一致
e.g. I'm glad we are in agreement about one thing, at least.
我很高兴我们至少能就一件事达成共识。
简单句和复合句之间的转换（二）
我们可以用介词短语把状语从句转换成简单句，我们可以用介词把宾语从句和定语从句转换成简单句。如：
She started to learn drawing when she was seven.
她七岁开始学画画。
She started to learn drawing at the age of seven.
I am sure that the concert tickets will be expensive.
我确信这场音乐会的门票会很贵。
I am sure about the high price for the concert tickets.
I prefer to stay in a hotel room which has a sea view.
我更想住在一间海景房。
I prefer to stay in a hotel room with a sea view.
我们可以用介词短语把状语从句转换成简单句。如：
He learnt to swim when he was eight years old. 他八岁时学会了游泳。
He learnt to swim at the age of eight.
He could not go to the party because he had too much homework.
因为他有太多的家庭作业，他不能去聚会。
He could not go to the party because of too much homework.
He cannot solve this problem if he has no help.
如果没有帮助，他无法解决这个问题。
He cannot solve this problem without help.
注意：转换时要注意时态和意思的一致性和准确性。
我们可以用介词把宾语从句转换成简单句。如：
The photos remind me that I travelled to the UK five years ago.
这些照片让我想起我五年前去过英国旅行。
The photos remind me of my trip to the UK five years ago.
Are you certain that Tom is satisfied with the plan
你确信汤姆对这计划满意吗？
Are you certain about Tom's satisfaction with the plan
注意：常用的一些动词和介词的搭配有：
remind somebody of ... 使某人想起……
be sure/certain about ... 对……确信
我们可以用介词把定语从句转换成简单句。如：
Do you know the girl who is holding two books in her hand
你认识那个手里正拿着两本书的女孩吗？
Do you know the girl with two books in her hand
The man who wears a blue shirt is our English teacher.
那位身着蓝色衬衫的男士是我们的英语老师。
The man in a blue shirt is our English teacher.
当堂检测
将下列复合句改成简单句。
1. I can't work out the Maths problem if you don't help me.
I can't work out the Maths problem _________________.
2. Mike went to study in Beijing when he was ten.
Mike went to study in Beijing _____________________.
3. I like singers who wear beautiful dresses.
I like singers __________________________________.
4. I'd like a house which has a swimming pool.
I'd like a house ________________________________.
5. Advertisements are made to make people feel certain that they are true.
Advertisements are made to make people feel certain _____________.
without your help
at the age of ten
in beautiful dresses
with a swimming pool
about their truth
课堂总结
重点单词和短语：
aware, circle, agreement,
distance, possibility, alien, stranger, in agreement
Unit 4
Period 3
简单句和复合句之间的转换（二）:
我们可以用介词短语____________________
和without等将状语从句转换成简单句；
我们可以用介词_________________等将宾语从句转换成简单句；
我们可以用介词_________________等将定语从句转换成简单句。
at the age of, because of
of, about
with, in