(共22张PPT)
Unit 2 We have not found life on any other planets yet.
Module 3 Journey to space
Enjoy a news report.
Leading in
点击图片播放视频
Look at the pictures and talk about something about Shenzhou-9.
Leading in
Work in pairs. Look at the picture and talk about what you know about Chinese spaceships.
Leading in
Shenzhou-9 is a manned spaceship.
Work in groups of four and discuss two questions.
1. Have we found life on other seven planets yet If not, why
2. What do you know about UFO Do you believe there are creatures from outer
space Why or why not
Pre-reading
Read the passage and choose the best title for it.
Fast reading
1. Anyone out there
2. Life on the earth
3. The sun and other stars
4. The stars at night
Careful reading
Read the first three paragraphs and answer questions.
1. What is the earth like
2. What is solar system
3. What have scientists discovered in the universe
The earth is a planet and it goes around the sun.
The sun and its planets are called the solar system.
Scientists have discovered many other galaxies in the universe.
Careful reading
Read again and draw a map of the Galaxy. Then retell the first three paragraphs according to your picture.
Careful reading
Read Paragraph 4 and answer the question.
What is the fun_ction of this paragraph
This paragraph links the preceding with the following. (承上启下)
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。
millions of 数百万, hundreds of 数百, thousands of 成千上万, billions of 数十亿
e.g. There are billions of stars in the Galaxy, and our sun is only one of them.
银河系中有数十亿颗恒星，我们的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。
yet用于否定句和疑问句，意思是“还；尚”。not...yet的意思是“还没；尚未”，
表示某事物在某一时间尚未发生，但未来也许会发生。例如:
I haven’t learnt any further 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
Language points
3. None of them has an environment like that of the earth, so scientists do not think
they will find life on them. 它们中没有一个有像地球这样的环境，因此科学家
认为在它们上面找不到生命。
none of...表示(三个以上)一个也没有。作主语时，谓语动词可用单数也可以用
复数。如：
None of us has/have been to the Mars. 我们中没一个去过火星。
4. So how large is the universe It is impossible to imagine. 所以宇宙有多大 我们
无从想象。
句型: It is+形容词+to+动词原形，意思是“做某事很……”。
It is difficult to read these words. 读这些单词很难。
Language points
5. ...with so many stars in the universe, are we alone, or is there life out there in
space ……宇宙中有这么多恒星，我们是孤独的吗？或太空中还有其他生命存
在吗
with+名词+介词短语，表示伴随情况，意思是“带着……”。例如:
Mr. Zhang is coming with a book in his hands.
张老师手里带着一本书进来了。
alone在句中作形容词，不作定语只作表语，也可作副词，意思是“独自地”。
例如:
She was alone in that dark room.
她独自一人呆在那间黑屋子里。
The third reading
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.
The third reading
Complete the passage with the words and expression in the box.
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
communicate environment none solar system universe
system
none
communicate
environment
universe
Discussing and reporting
Because of the pollution, the environment on the earth is becoming worse and worse. If one day, humans can’t live on the earth any more, they have to find “a second earth” in space for them to live on, what kind of planet is suitable
Discuss the following in groups of four and make a report.
Exercises
I. 根据句意及汉语提示完成单词。
1. Our government is trying to improve the _____________(环境).
2. No one knows exactly how large the ___________(宇宙) is.
3. Teenagers should often go out to have _______________(交流) with others
instead of staying.
4. It is ___________(不可能) to let him buy something for you, because he has
no money.
5. __________(没有一人) of us has / have been to Sanya.
environment
universe
communication
impossible
None
Exercises
Ⅱ. 完成句子。
1. 他们刚刚在火星着陆了。
They __________________ on Mars.
2. 我们在山里发现了很多其他动物。
We have ___________________ animals in the mountains.
3. 这个女孩在干什么
What _________ this girl _________
4. ——你曾经去过香港吗
——是的。
—__________ you _______________ Hong Kong
—Yes, I ________.
5. 他们听说过这个最近的新闻吗
Have they _____________________
have just landed
found many other
is
Have
have
up to
ever been to
heard this latest news
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)
Writing
Write a passage to describe the picture.Use your answers to the questions in Activity 5 to help you.
We have just received a message from our spaceship to Mars...
Summing up
Summing up & Homework
1. Words and phrase:
none, environment, that, solar, system, solar system, group, galaxy, universe, light,
impossible, take—took—taken, out, communicate
2. Sentences:
(1)Scientists think that there has been life on the earth for hundreds of millions of years.
(2)However,we have not found life on any other planets yet.
(3)The earth is a planet and it goes around the sun.
(4)They are very far away and their light has to travel for many years to reach us.
(5)With so many stars in the universe, are we alone, or is there life out there in space
Make a news report
according to the passage.
You can use the PPT to help you.
Homework
Summing up & Homework
