(共38张PPT)
9B Unit 1
Reading
air pollution
population
large
crowded
more and more crowded
The color of Mars:_____________
red
Mars
the solar system 太阳系
It’s between Earth and Jupiter in our solar system.
Earth
Jupiter
Mars
one-half the diameter (直径) of Earth
The size of Mars
two moons:
Phobos and Deimos
火卫1和火卫2
the surface of Mars
The surface of Mars is a little like the surface of Earth.
The lowest temperature will be -133℃ (degrees centigrade) and the highest will be 27 ℃
It may be difficult to imagine, people will live on the planet Mars.
by the year 2100
spacecraft
too slow to carry large numbers of people to Mars
spaceshuttle
travel at half the speed of light
helmet
special boots
space suit
dome
The Mars will turn into another earth in the future.
connect to an interpanetary network
Match the words and the meaning
Small round pieces of medicine
A power that keeps us from floating in the air
A vehicle designed for travel in space
Grow and improve
People who go to live in a new place
A large body in space that moves around the star, e. g., the sun
Machines that can do tasks under the control of computer
planet
gravity
spacecraft
settlers
develop
robots
pills
crowded planet
space shuttles
speed boots
space home
robot settlers
online teacher
The population on Earth is still increasing quickly. Move to …
All about NASA’s new model of spacecraft …
Our shoes can make you walk faster!
Living in a round house is fun …
Robots could be the first to live on …
Need someone to teach you any time, at any place
Daniel is looking for more information on the Internet. Help him find out the links to the key words.
Read the article quickly and find out the keyword of each paragraph.
Crowded, polluted (population , pollution)
Transport
Food, water and air
Gravity
Home
School
Food
Para 1
Para 2
Para 3
Para 4
Para 5
Para 6
Para 7
Listen to the recording and answer the following questions.
Why do people need to move to Mars
How long will it take to flay to Mars at present
How will students study, do their homework and take exams on Mars
Will space travel make people feel ill
Will gravity on Mars be a big problem
Earth is becoming more and more crowded and polluted .
Several months.
They can study, do their homework and take exams in online schools.
Yes .
No. We will wear special boots.
Read each paragraph carefully and find out the answers to the questions .
1. What vehicle do people use to Mars at present And how long does it take
2. What vehicle may people use to go to Mars in the future
3. What will scientists do to solve the problems of food , water and air
4. What will food on Mars be like
5. Is gravity on Mars a big problem Why
6. What may happen then
7. What kind of shoes should people wear
8. What kind of house may people live in
9. Who will do most of our work
10. What kind of school will students study in And what do they call their teacher
Read each paragraph carefully and find out the answers to the questions .
1 What vehicle do people use to Mars at present And how long does it take
2 What vehicle may people use to go to Mars in the future And how long will it take
( Spacecraft . Months.)
(Space shuttles. Only a very short time.)
Read each paragraph carefully and find out the answers to the questions .
3 What will scientists do to solve the problems of food , water and air
( Scientists will develop plants that can grow on Mars and produce the food, water and oxygen .)
4 What will food on Mars be like
( Maybe the food will be in the form of pills and will not be as tasty as they are today.)
Air, water, food
5 Is gravity on Mars a big problem Why
( Yes, it is. Because the gravity on Mars is three-eighths of the gravity on Earth. )
6 What may happen then
( People may jump high easily and float away into space.)
7 What kind of shoes should people wear
(People should wear special boots to make themselves heavier.)
Gravity
8 What kind of house may people live in
( A special dome with 10 bedrooms is highly possible.)
9 Who will do most of our work
(Robots will do most of our work.)
Home
10. What kind of school will students study in And what do they call their teacher
( Students can study in online schools and they call their teacher ‘e-teacher’.)
School
Differences between life on Earth and life on Mars
Earth today Mars in 2100
Polluted and crowded
Spacecraft are slow
Gravity is not a problem for us
People can wear many types of shoes
People do not have much space
we take exams at school
we have many different kinds of food
clean and has lots of space
Space shuttles are very fast
It will be a big problem
We must wear helmets
We have more space
In online schools
Food will be the same
Discuss advantages and disadvantages of living on earth.
Advantages of living on Mars
It’s not _________or________.
The ________ is more convenient .
People will wear special _____
People will have ______space .
______ will do most of our work.
We’ll have more time for_______.
Students will study in ______ schools.
crowded polluted
transport
boots .
more
Robots
hobbies
online
Disadvantages of living on Mars
Low _______ will be dangerous.
Food does not taste _____.
Space travel make people feel ________.
It’s too ________to stay outside.
It’s too ______ away from friends on Earth.
gravity
good
ill / sick
cold
far
1 There will be various designs for settlers to choose from. 将有许多种设计可供移居者选择。
to choose from … 意思是“从……中挑选”。
e.g. 我有很多双鞋子可以选择,但我决定不了选哪双。
I have many pairs of shoes _____________
(to choose from), but I don’t know which pair __________. (to choose)
2 The journey might take only a very short time in space shuttles that travel at half the speed of light.用以光速一半速度飞行的太空穿梭机进行的旅程可能只要花很短的时间。
分析:此句是that连接的定语从句。that引导的定语从句修饰先行词space shuttles, 从句中的动词的人称和数由先行词space shuttles决定。
3. Compared with life on Earth, life on Mars will be better in many ways. 与在地球上的生活相比, 火星上的生活在很多方面将会更好.
compare with … 意思是“ 与……做比较”。在句中是过去分词短语作状语, 此时with和to可通用。
e.g. 与我们的那条路相比,这条路繁忙得多 。
This road is quite busy______ ____ ours. (compared … with / to )
4. Every student will have a computer at home connected to inter-planetary network. 每个学生在家里有一台连接星际网络的电脑。
connect to 意思是“与……连接”。这里的connected to 是过去分词后置作定语,修饰computer。当然我们也可以用connect … to…结构表示“把…… 和……连接起来 ”。
e.g. 江阴大桥把江阴和靖江连接了起来.
Jiangyin Bridge _______ Jiangyin ___ Jingjiang. (connects … to )
Exercises
I 用所给词的适当形式填空:
Earth is becoming more and more _____ (crowd).
Every year, large numbers of tourists ______ (come) to visit Beijing.
This pair of boots looks very ______ (fashion).
There will be no _________ (pollute)on Mars.
The news maker her ____ (feel) sad.
_______ (science)are working hard to make the dream become true.
come
pollution
fashionable
crowded
Scientists
feel
Homework:
1、Make a short passage about "Life on Mars".
2、Read the passages fluently.
Thank you