内容正文:
Module 3 Journey to space
Unit 2 We have not found life on any other planets yet.
universe
galaxy
solar system
star
planet
Work in pairs. Look at the picture and talk about what you know about Chinese spaceships.
1
Shenzhou-9 is a manned spaceship.
___________________
Scientists think that there has been life on earth for hundreds of millions of years. However, we have not found life on any other planets yet.
Read the passage and choose the best title for it.
2
数亿,数以亿计
在其它的行星上
The earth is a planet and it goes around the sun. Seven other planets also go around the Sun. None of them has an environment like that of the earth, so scientists do not think they will find life on them. The sun and its planets are called the solar system,
绕太阳转
他们中没有人
被叫做
太阳系
and our solar system is a small part of a much larger group of stars and planets, called the Galaxy or the Milky Way. There are billions of stars in the Galaxy, and our sun is only one of them.
一小部分
Scientists have also discovered many other galaxies in the universe. They are very far away and their light has to travel for many years to reach us. So how large is the universe? It is impossible to imagine.
在宇宙中
It is impossible (for sb.) to do sth.
对某人来说做某事是不可能的
Scientists have sent spaceships to the planet Mars to take photos. They have even sent spaceships to travel outside the solar system. However, no spaceship has travelled far enough
to reach other stars in our Galaxy.
太阳系
Scientists have always asked the questions: with so many stars in the universe, are we alone, or is there life out there in space? Have there been visitors to the earth from other planets?
Why has no one communicated with us? We do
not know the answers… yet.
和某人联系
Check(√) the true sentences.
3
1. The earth is a star.
2. The sun is a star.
3. There is more than one galaxy in the universe.
plant
4. The light from the stars in other galaxies has travelled for a long time to reach us.
5. Scientists have received many messages from space.
6. Spaceships have visited most of the universe.
haven’t
haven’t
4
communicate environment none solar system universe
Is there life on other planets? There are
seven other planets in our (1) ___________, but (2)______ of them has a(n) (3)_____________ like that of the earth. Spaceships from the earth have done surveys of the other planets, but they have not found any life there. Why has no one from other planets tried to (4) ____________ with us? It is true that scientists have not discovered life on other planets in the (5)_________ yet, but some scientists believe that they will find it some day.
solar system
none
environment
Complete the passage with the words and expression in the box.
communicate
universe
5
What have the scientists just received?
(a message from one of our spaceships)
They have just received a message
from one of our spaceships.
Look at the picture from a science story for children and answer the questions.
1. Where has the spaceship landed? (Mars)
It has landed on Mars.
2. What has the spaceship discovered? (people on Mars)
It has discovered people on Mars.
4. Why have the people on Mars not visited us on the earth?
(do not know how to)
They do not know how to visit us on the earth.
3. Why have the people on Mars not sent us amessage? (do not know how to)
They do not know how to send us a message.
6
We have just received a message from our
spaceship to Mars …
Write a passage to describe the picture. Use your answers to the questions in Activity 5 to help you.
Possible answer
We have just received a message from our spaceship to Mars. Our spaceship has discovered aliens there. They have never sent us a message because they don’t know how to communicate with us. They have not visited the earth because they don’t know how to fly to our planet, and they prefer life on Mars. They seem very happy on their planet. They have used parts from the other spaceships from the earth to make TVs, radios and so on. We hope they will live happily with us one day!
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