2. Competition

3. Round 1
answer the questions
Simon
Sandy
Kitty
Amy B C A D
Millie E

4. Sandy
At present, our spacecraft are fast enough to carry large numbers of people to Mars.
too slow
true
false or

5. What will scientists do to keep us survive on Mars?
Simon
What will scientists do to keep us survive on Mars?
Scientists will develop plants that can grow on Mars.

6. Amy
There will be various designs for settlers to choose from.
true
false or

7. Millie
You can jump high easily because the gravity on Mars is only about
half of the gravity on Earth.
three-eighths or
true
false

8. Kitty
Compared
___________(比较) with life on Earth, life on Mars will be better in many ways.

9. Can you get it?
Round 2
The spacecraft are too slow to carry __?__ people.
Scientists will __?__ plants that can grow on Mars.
There’ll be various designs for settlers to ___?___.
The gravity on Mars is only about ___?___ of the gravity on Earth.
___?___ life on Earth, life on Mars will be better in many ways.

10. The spacecraft are too slow to carry large numbers of people.
=many, a lot of
a (large) number of
are
Large numbers of
_________________(许多) students ____ (正在) playing football on the playground.
The number of
__________________ the students is 20.

11. Scientists will develop plants that can grow on Mars.
They are _________ a new kind of car.
This product ____________ by ourselves.
developing
is developed
China is a developing country The USA is a _________ country We are proud of the __________ of China.
developed
development

12. There’ll be various designs for settlers to choose from.
boots/
the design you like
You can choose _______________
from the various designs.
There are so many designs that I don’t know which (one) __________ .
to choose

13. The gravity on Mars is only about three-eighths of that on Earth.
Try: 八分之二
八分之一
How to form a fraction(分数):
two-eighths
one-eighth
a cardinal number(基数词)
an ordinal number(序数词) 3
-- ———————————————————— 8
three
eighths
one
eighth
九分之八
十二分之九
四十分之十一
二分之一
eight-ninths
nine-twelfths
eleven-fortieths
a half

14. √ √ Three-fourths of the students ____ from city. ( come, comes )
Two-fifths of the money __ been spent on health care. (have, has) √ √

15. Compared with life on Earth, life on Mars will be better in many ways.
We compare the life on Mars with the life on Earth.
Life on Mars ________________(和…比较) life on Earth (by us).
is compared with
Compared with Tom, John runs faster.
Compared with
______________ Lily, Lucy is better at English.    

16. Round 3 1.at the speed of… 2.float away 3.connect…to… 4.in the form of
Can you catch me?
Round 3
1.at the speed of…
2.float away
3.connect…to…
4.in the form of
5.First of all

17. First of all in the form of connected to at the speed of floating away
Can you fill in the blanks with the help of the five phrases?
When I moved to the new town, I didn’t like the food which the local people were used to. _______, it was not as tasty as the food I ate in my hometown. Also, it was _______ ________ pills! Luckily, I had a computer ______________ the international network in my study. It could work ____________ light! Another problem was that I couldn’t run fast as the gravity was so low that I had to prevent myself from _____________ !
First of all
in the
form of
connected to
at the speed of
floating away

18. Round 4
Make a story
Please make a story according to the words and the phrases on screen. In your story, you should use at least two words and two phrases. The story begins like this: It was a dark evening, I was on my way home, ……………
imagine float develop compare
large numbers of
at the speed of
choose from
connect… to …

19. Round 5 Have a discussion
If you have a chance to live on Mars, will you go there, or will you still live on Earth?
Each group will write down the ideas on the sheets and then share your ideas.

20. Presentation

21. We have only one Earth!
This is our happy family!

22. Assignment
1. Write a report about life on Mars to tell people the future life in space.
2.Think about the following sentences:
A. Many people believe that, by the year 2100, we will live on the planet Mars.
B. It’s not sure if these plants could produce water.
C. Many people believe that robots will do most of our work.

23. Thank you