1Work in pairs. Look at the picture and talk about...部分翻译
Shenzhou-9 is a manned spaceship．
神舟9号是栽人宇宙飞船。
Learning to learn
学会学习
When you read a passage with a title and pictures,think about the words you may find in the passage,and the questions you may want to ask before you start to read.
当你阅读一篇带有标题和图片的文章时，考虑你可能在文章中发现的单词．以及在开始阅读前你可能想要问的问题。
2Read the passage and choose the best title for it.部分翻译
1 Anyone out there? 有人在那里吗？
2 Life on the earth 地球上的生命
3 The sun and other stars 太阳和其他恒星
4 The stars at night 晚上的星星
Scientists think that there has been life on the earth for hundreds of millions of years. However,we have not found life on any other planets yet.
科学家们认为亿万年以前地球上已有生命存在了。然而，我们还没有在任何其他行星上发现生命。
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 scientisis do not think they will find life on them. The sun and its planets are called the solar system, and our solar system is a small part of a much larger Galaxy or the Milky Way. There are billions of stars in the Galaxy ,and our sun is only one of them.
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。这些行星没有一颗有像地球那样的环境，因此科学家们认为他们不会在它们上面发现生命。太阳和它的行星被叫做太阳系，我们的太阳系只是一个由恒星和行星组成的星群里的一小部分，这个星系比太阳系大得多，叫银河系，或者银河。在银河系中有数以十亿计的恒星，而我们的太阳仅仅是其中之一。
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.
科学家们也已经在宇宙中发现了许多其他星系。它们很遥远，它们的光必须要经过许多年才能到达我们。因此，宇宙有多大？那是难以想象的。
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.
科学家们已经发射了宇宙飞船到火星上去拍摄图片。他们甚至发射了宇宙飞船到太阳系之外进行探索。但是，没有一艘宇宙飞船已经旅行到足够远而到达我们银河系中的其他恒星。
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.
料学家们一直在问这些问题：宇宙中有这么多的星球，我们是孤独的吗，抑或在远方的太空中还有其他生命存在呢？有从其他行星到地球的来客吗？为什么还没有人和我们联系?我们还不知道答案……
3Check(√)the true sentences.部分翻译
1 The earth is a star．
地球是一颗恒星。
2 The sun is a star．
太阳是一颗恒星。
3 There is more than one galaxy in the universe．
宇宙中有一个以上的星系。
4 The light from the stars in other galaxies has travelled for a long time to reach us．
其他星系的恒星发出的光经过了很长时间才到达我们。
5 Scientists have received many messages from space．
科学家们已经收到很多来自太空的信息。
6 Spaceships have visited most of the universe．
宇宙飞船已经拜访了大部分的宇宙。
4Complete the passage with the words and...部分翻译
communicate 联系
environment环境
none没有一个
solar system 太阳系
universe宇宙
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 iife 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.
在其他行星上有生命吗？在我们的(1)太阳系中有另外7颗行星，但它们中(2)没有一颗有像地球那样的(3)环境。来自地球的宇宙飞船已经对其他行星作了调查，但它们还没有发现那里有任何生命。为什么还没有其他行星的人试图(4)联系我们呢？事实是科学家们还没有在(5)宇宙中的其他行星上发现生命，但一些科学家相信他们有一天会发现它。
5Look at the picture from a science story for...部分翻译
What have the scientists just received?
科学家们刚刚收到了什么？
(a message from one of our spaceships)
（一条来自我们的—萌叟宇宙飞船的消息）
They have just received a message from one of our spaceships．
他们刚刚收到了一条来自我们的一艘宇宙飞船的消息。
1 Where has the spaceship landed? (Mars)
宇宙飞船在哪里着陆？（火星）
2 What has the spaceship discovered?（people on Mars)
宇宙飞船发现了什么？（火星人）
3 Why have the people on Mars not sent us a message? (do not know how to)
为什么火星上的人还没有给我们发信息？（不知道怎么发）
4 Why have the people on Mars not visited us on the earth? (do not know how to)
为什么火星上的人还没有拜访我们地球人？（不知道怎么拜访）
6Write a passage to describe the picture, Use...部分翻译
We have just received a message from our spaceship to Mars...
我们刚刚收到一条来自我们去火星的宇宙飞船发来的消息……
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