牛津译林版九年级英语下册 Unit 4 Life on Mars 复习课 课件(共21张PPT)

(共21张PPT)
9B Unit 4
Life on Mars
Revision
思维导图
1._________2.__________3.__________4.___________5_________
6._________7.__________8.__________9.__________10._________
Advantages of living on Mars
It is not so crowed. People would have much more (1) .
There would be no air (2) on Mars.
We would study at (3) schools wit “e-teachers”.
Robots would do most of our work so that we would have
more time to relax.
Travelling in space would be (4) .
We don’t know if it is really safe.
We might get (5) from living there.
Food would be in the form of (6) and would not be so
tasty.
The gravity on Mars is only about (7) of that on Earth.
There might be dangerous aliens.
Disadvantages of living on Mars
Mars (9) are electronic and are stored in the Planet
Mars Bank.
A very poplar form of entertainment is online games.
There are also many online theatres.
There are two (10) to visit.
There are lots of shopping malls on Mars. They sell space
clothes and food.
A guide to
(8) on Mars
space pollution online fun ill
pills three-eighths living dollars moons
1.氧气罐
2.干粮
3.电源包
4.睡袋
5.太空头盔
6.特殊的靴子
7.火星上重力小。
power pack
air tank
dried food
sleeping bag
space helmet
special boots
There’s less gravity on Mars.
重点词组和短语
8.重新
9.以……的速度
10.以……的形式
11.漂浮到太空中
12.与……比较
13.在一些方面
14.与……连接
at the speed of
all over again
in the form of
float off into space
compare with / to
In some ways
connect to
15.也，又
16.在……岁时
17.意见一致
18.记英语日记
as well as
at the age of
be in agreement
keep an English diary
19. 开展，执行
22. 害怕见到外星人
20. 在太空中旅游
23. 离地球如此遥远
21. 对 …… 有伤害
carry out
travel in space
do harm to…
/be harmful to…
be afraid of seeing aliens
so far away from the Earth
26. 毕竟
25. 一种不同的生活
24. 生活在火星上的缺点
disadvantages of living on Mars
a different kind of life
after all
一、用介词短语把状语从句换成简单句
when 所引导的时间状语从句
1. She started to learn drawing when she was seven.
She started to learn drawing________________ .
2.Neil Armstrong received his student pilot 's licence
when he was 16.
Neil Armstrong received his student pilot 's licence
_______________
at the age of seven
at the age of 16
because 引导的原因状语从句
3.He could not go to the party because he had
too much homework.
He could not go to the party because of too
much homework .
4.People might float in space because the
gravity is low.
People might float in space _________________
_________________.
because of
the low gravity
if 所引导的条件状语从句
5.He could not solve this problem if he has no help.
He could not solve this problem _____________ .
6.Humans cannot survive if there is no food, water or oxygen.
Humans cannot survive ______________________ .
without help
without food, water or oxygen
If引导的条件状语从句可与下列结构进行同意转换：
1.可用without 或with 来转换条件状语从句。
If there is no water , fish will die.
= Fish will die without water.
2.可与“祈使句+ and/ or +陈述句（一般将来时结构）”这一句型转换。其中，在句意上and表示顺承， or表示转折，意为“否则”。
If you work hard , you’ll pass the exam easily.
=Work hard , and you’ll pass the exam easily.
=Work hard , or you won’t pass the exam easily.
用介词短语把状语从句换成简单句
1.“when+从句”转换成___________
2.“because +从句”转换成 _________
3.“if 的否定句”转换成 __________
at the age of …
because of …
without
4. so that引导的目的状语从句可用“in order to”或“so as to”转换为简单句。
She decided to buy a camera online so that she could receive it soon.
She decided to buy a camera online in order to/ so as to receive it soon.
5. so…that…引导的结果状语从句的可用“…enough to do” 结构变成简单句。
This hall is so large that it can hold 2000 people.
This hall is large enough to hold 2000 people.
二、用介词把宾语从句换成简单句
1. I am sure that the concert tickets will be expensive.
___________________________________
______________ .
2.Are they sure that space travel will be very fast
______________________________________
______
I am sure about the high price for the concert tickets
Are they sure about the fast speed of space
travel
3.The smell of the pills reminds them that food on the earth is tasty.
____________________________________________________________________________
4.The photos remind me that I travelled to the UK five years ago.
______________________________________________________
The smell of the pills reminds them of the tasty
food on the earth
The photos remind me of my trip to the UK five years ago
5.Are you certain that Tom is satisfied with the plan
_____________________________________
____________
Are you certain about Tom' s satisfaction
with the plan
be sure that … = be sure about / of
remind sb that … = remind sb of sth
be certain that … = be certain about
1.Are you aware how far Mars is away from the sun
Are you aware_________________________
____________ (distance)
2.Are scientists in agreement that living on Mars would be possible for humans in the future
Do scientists agree _______________________
___________________________ (possibility)
be aware of 知道 意识到
agree with
of the distance between Mars
and the sun
be in agreement意见一致
with the possibility of living
on Mars for humans in the future
3.Do they think that the low gravity on Mars might be a problem
Have they thought _______________________
_______________________ ( problem )
4.Are you aware what transport could be like on Mars
Are you aware _________________________
( transport )
think about
be aware of 知道 意识到
about the problem of
the low gravity on Mars
of the transport on Mars
三、用介词把定语从句换成简单句
1.I prefer to stay on a hotel room which has a sea view.
I prefer to stay on a hotel room with a sea view.
2.People might live in houses which have huge comfortable rooms.
_______________________________________
_______________ .
People might live in houses with huge
comfortable rooms
3.On Mars you might see people who wear special boots.
On Mars you might see people in special boots.
4.The man who wears a blue shirt is our English teacher.
______________________________________
The man in a blue shirt is our English teacher.