Unit 4 Life on Mars Reading I课件（共有PPT38张）

(共39张PPT)
Unit 4
Life on Mars
1. 我从来没想过去太空旅行。
2. 你认为火星上的生活怎么样？
3. 我原以为你喜欢火星。
I’ve never thought about traveling into space.
How do you like life on Mars
I thought you liked Mars.
planets n. 行星
polluted adj. 被污染的
air pollution
crowded adj.
拥挤的
more and more crowded
population n. 人口
oxygen n. 氧气
connect to an interplanetary network
planet n. 增加
crowded adj. 快的，迅速的
polluted n. 行星
rapid adj. 使人不舒服的
increase n. 氧气
passenger n. 乘客
uncomfortable adj. 拥挤的
Oxygen adj. 被污染的
____________ adj. 味道好的
____________ adv. 专门地，特地
____________ vi. 漂浮；飘浮
____________ vt. &vi. 比较
____________ adj. 行星间的
___________ n. 网络
___________ adj. 挑战性的
___________ adv. 快地，迅速地
tasty
specially
interplanetary
rapidly
challenging
network
compare
float
(all) over again _______________
at a/the speed of _______________
in the form of ______________
compare to /with ______________
再；重新
以……的速度
以……的形式
与……相比
Daniel needs to check the meanings of some words in the article. Help him match the words on the left with the meanings on the right. Write the correct letters in the blanks.
for one purpose
a second time from the beginning
Decide in what way things are similar or difficult
having a nice taste
full of people
happening in a short period of the time
a person who rides in a car, bus, train, etc. but does not drive it
The total number of people in an area, a country, etc.
crowded
all over again
rapid
passenger
population
tasty
specially
compare
spaceshuttle
travel at half the speed of light
The color of Mars:_____________
red
Mars
the surface of Mars
The surface of Mars is a little like the surface of Earth.
It may be difficult to imagine when people will live on the planet Mars.
by the year 2100
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 lowest temperature will be -133℃ (degrees centigrade) and the highest will be 27 ℃
spacecraft
are too slow to carry large numbers of people to Mars
helmet
special boots
space suit
dome
Daniel is looking for more information on the Internet. Here are keywords he used and the links he got from the search engine. Help him match the keywords with the links. Write the correct letters in the blanks.
crowded planet
spacecraft
speed boots
space houses
robot on Mars
online teacher
a Need someone to teach you any time, any place
b Living in a space house is fun…
c All about the newest spacecraft that travel in space…
d Out shoes can make you walk faster!
e Robots could be of great help to people on Mars..
f The population on the Earth is still increasing rapidly…
All about the newest spacecraft that travel in space…
crowded planet
spacecraft
speed boots
space houses
The population on Earth is still increasing rapidly
Our shoes can make you walk faster!
Living in a round house is fun …
robot on Mars
online teacher
Robots could be of great help to people on Mars…
Need someone to teach you any time, at any place
Read the article quickly and find out the keyword of each paragraph.
Para 1
Para 2
Para 3
Para 4
Para 5
Para 6
Para 7
crowded, polluted (population, pollution)
transport
food, water and air
gravity
home
school
life
Listen to the recording and answer the following questions.
Why do people need to move to Mars
2. How long will it take to flay to Mars at present
Earth is becoming more and more crowded and polluted.
Several months.
3. Will space travel make people feel ill
4. Will gravity on Mars be a big problem
5. How will students study
Maybe, but we can wear special boots to prevent floating.
Yes.
They will study at online schools with “e-teachers”.
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
Spacecraft. Months.
Space shuttles. Only 20 minutes.
3. What are the problems of living on Mars
4. What will food on Mars be like
Scientists are not sure whether would be enough water or oxygen on Mars and produce the food, water and oxygen.
Air, water, food
Maybe the food will be in the form of pills.
5. Is gravity on Mars a big problem Why
6. What may happen then
7. What kind of shoes should people wear
Gravity
People may float off into space.
Yes, it is. Because the gravity on Mars is three-eighths of the gravity on Earth.
People should wear special boots.
8. What kind of house may people live in
9. Who will do most of our work
Home
They might live in houses with huge comfortable rooms.
Robots will do most of our work.
10. What kind of school will students study in How will the students study
There would probably be no schools on Mars. They will study at online schools with “e-teachers”.
School
Daniel is making a list of the differences between life on the earth today and life on Mars in 2100. Help him complete his list. Use the information from the article.
It is polluted and crowed. It would be clean and have lots of space.
Spacecraft are slow.
There is enough water and oxygen.
There are many kinds of tasty food.
Nobody knows whether there would be enough water or oxygen.
Food will probably be in the form of pills.
Life on the Earth today
Life on Mars in 2100
At the speed of light.
Gravity is not a problem for us.
Many people live in small flats.
People have little time to relax.
Students study at real schools.
People will have more space.
We must wear special boots.
They will have more time to relax.
At online schools.
Life on the Earth today
Life on Mars in 2100
1. Read the passage aloud.
2. Find out the difficult sentences and discuss them with your classmates.