外研版英语八年级下册《We have not found life on any other planets yet》journey to space PPT课件3
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《We have not found life on any other planets yet》journey to space PPT课件3
Astronauts have already been to the moon.
Scientists have sent spaceship to Mars. The journey has taken several months.
No one has been to Mars yet, because Mars is very far away, much farther than the moon.
Work in pairs
What do you know about Chinese spaceships?
Shenzhou-9 is a manned spaceship.
... ... ...
Check (√) the true sentences.
1. The earth is a star.
2. The sun is a star.
3. There is more than one galaxy in the universe.
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.
Read the passage and choose the best title for it.
1. Anyone out there?
2. Life on the earth
3. The sun and other stars
4. The stars at night
... ... ...
Language points
1. Scientists think that there has been life on the earth for hundreds of millions of years.
科学家认为地球上的生命已经有亿万年了。
e.g. There are billions of stars in the Galaxy, and the sun is only one of them.
银河系中有数十亿颗恒星,太阳只是其中的一个。
2. However, we have not found life on any other planets yet.
然而,我们还没有在任何其他行星上发现生命。
eg. I haven’t learnt any farther information yet.
我还没有得到进一步的信息。
Have you received her letter yet?
你收到她的来信了吗?
3. The earth is a planet and it goes around the sun. Seven other planets also go around the sun.
地球是颗行星,它围绕着太阳转。此外还有七颗行星也围绕着太阳转。
太阳系的其他七颗行星:
水星 (Mercury)、金星(Venus)、
火星(Mars)、木星(Jupiter)、土星(Saturn)、天王星(Uranus)、海王星(Neptune)。
... ... ...
Complete the passage with the words and expression in the box.
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.
... ... ...
中考链接
1.The volunteers sent ______ books to a mountain village school on Children's Day.
(2013年江苏连云港)
A.two hundreds of B.two hundred of
C.two hundreds D.two hundred
2.Our school is so famous that ______ people come and visit it every term.
(2013年江苏宿迁)
A.hundred B.hundreds
C.hundred of D.hundreds of
3. He promised to pick me up at the school gate. However, he _______ yet. (2011安徽)
A. didn’t arrive B. doesn’t arrive
C. isn’t arriving D. hasn’t arrived
... ... ...
Writing
Look at the picture from a science story for children and answer the questions.
What have the scientists just received?
(a message from one of our spaceships)
They have just received a message from one of our spaceships.
1. Where has the spaceship landed? (Mars)
2. What has the spaceship discovered? (people on Mars)
3. Why have the people on Mars not sent us a message? (do not know how to)
4. Why have the people on Mars not visited us on the earth? (do not know how to)
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