牛津译林版英语九下Unit 4《Life on Mars》(Reading)ppt精品课件

float away into
choose from
compare with in many ways connect to in the form of
as tasty as …
Homework
1.Read the passage aloud. 2.Finish off the additional exercises.
Disadvantages
Low g_______ ravity will be dangerous. Food does not taste g_____. ood Space travel makes people feel ill/sick ________. It’s too dangerous _________ to stay outside. ar away from friends It’s too f___ on Earth.
Yes, it is. Because the gravity on Mars is three-eighths of the gravity on Earth. 6 What may happen then?
gravity
People may jump high easily
and float away into space.
1.It’s becoming more and more crowded and p olluted .
2. H opefully we can build a better world on Mars.
How can we get to the Mars?
In space shuttles
1. Transportshould be better. 2. At present our spacecraft are too slow to carry large numbers of people. 3. By 2100,the space shuttles can travel at half the speed of light .
transport 2 How will people go to
Mars by the year 2100? And how long will it take? Space shuttles. Only a very short time.
Spacecraft. Months.
Food, water and air
3 What do humans need to survive?
Food, water and air
4 What will scientists do They will develop plants that can grow on Mars
5 Is gravity on Mars a big problem? Why?
3.Each student will also have ____ _____ their own ________ online _______ teacher online teacher called ‘e-teacher’
1. Food will be not as tasty as they’re today It will be in the form of pills . 2. Space travel will make people feel i ll . The journey to Mars will be very uncomfortable .
Hale Waihona Puke and they call their teachers ‘e-teachers’.
Disadvantages on Mars
• Food not as tasty as • • • The journey to Mars
Be very uncomfortable
Discuss about life on Mars Advantages
Where will we live on Mars?
In a dome with 10 bedrooms
Life on Mars will be b etter than that on Earth in many ways. 1. people have more space . 2. Living in a dome with 10 bedrooms is highly possible .
Zk
1. Scientists should develop plants that can grow on Mars.
2. The plants will producethe food and oxygen.
1. The gravity on Mars only about three e ighths (3/8 )of the gravity on Earth. 2.We could jump easily and float into space.
9 Who will do most of our work? Robots.
school
10 What kind of school will students
study in? And what do they call their
teachers?
Students can study in online schools
rowded or p________. olluted It’s not c________ ransport is convenient(方便). The t_________ People will wear special boots _____. People will have more ______ space. Robots ______ will do most of our work. hobbies We’ll have more time for________. online schools. Students will study in ______
Some important phrases: at the moment
at present more and more crowded
first of all
large numbers of
a very short time
at the speed of
three-eighths of that
3. Humans have to wear special boots to make themselves heavier. 4. The boots will probably become fashionable .There’ll be many different d esigns for s ettlers to choose from.
7 What shoes should people wear? People should wear special boots to make themselves heavier.
home
8 What kind of house may people live in? They may live in a special dome with 10 bedrooms.
3.Robots
will do most of our work.
4. We will have more time for our hobbies .
1.Every student will have a computer connecting to an inter-planet computer network. 2.They can s______, __ their ____homework _________ tudy do and take exams in online schools.
Unit 1 Life on Mars
Reading
What problems does Earth have?
crowded
polluted
Main idea of each paragraph
Para 1 Para 2 Para 3
Transport to Mars. Needed things on Mars. The reasons for moving to Mars.
Home on Mars. Gravity problem. Schooling on Mars. Disadvantages on Mars
Para 4 Para 5 Para 6
Para 7
1 How do people go to Mars at present? And how long does it take?