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rocket
火箭
astronaut
Shenzhou 9
spaceship
Astronauts have already been to the moon.
(已经)
What do you think of when we talk about space travel?
Can you tell me more about them?
space travel
model
We have already lived in the earth for many years.
earth
earth
sun
The earth travels around the sun.
Sun
Earth
Moon
Mars
moon
2. Have they discovered(发现) life on the moon?
No , they haven’t yet .
1. Have astronauts been to the moon ?
Has any spaceship reached Mars yet ?
Yes, it has.
Mars
But no one has been to
Mars yet .
Let’s listen to a piece of news Listen and number the words as you hear them.