(共18张PPT)
Anyone out there
Scientists think that there ____________ on the earth for ____________________ years. However , we have not found life on any other planets yet.
The earth is a planet and it __________ the sun. Seven other planets also go around the sun. ____________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, and our solar system is a small part of ____________________ stars and planets, called the Galaxy or ______________. There are billions of stars in the Galaxy, and our sun is only one of them.
has been life
hundreds of millions of
goes around
None of
a much larger group of
Milky Way
Check your memory
Scientists have also discovered many other galaxies in the universe. They are very __________ and their light has to travel for many years to us. So how large is the universe _________________.
Scientists have sent spaceships to the planet Mars to __________. They have even sent spaceships to travel outside_____________. However, no spaceship has travelled____________ in our Galaxy.
Scientists have always asked the questions: with so many stars in the universe, ___________, or is there life out there in space Have there been visitors to the earth from other planets Why has no one _________________ We do not know the answer…yet.
far away
It’s impossible to imagine
take photos
the solar system
far enough to reach other stars
are we alone
communicated with us
Module 3 Journey to space
Unit 3 Language in use
Free talk
What words and expressions have you learned about space
astronaut Mars spaceship space station
the earth the moon the sun
SPACE
solar system
the sun
Mars
spaceship
space travel
astronaut
space station
the moon
the earth
Complete the word map (p24 T8)
satellite
probe
Mercury
Venus
Jupiter
Saturn
Uranus
Neptune
Complete the passage P25 A9
astronaut
moon
news
reach
discovered
spaceships
yet
That’s one small step for man, one giant leap (跳跃) for mankind.
Listen and complete the notes (p24)
1. The astronaut joined CNSA ______ years ago.
2. He has flown in a spaceship ______ times.
3. He felt _______ when he was in the spaceship.
4. He has been to the space station ______.
5. The earth was blue and very _________ when he saw it from the space station.
6. He decided to be an astronaut because he has always been _________ in space.
six / 6
two / 2
excited
twice
beautiful
interested
Tip: predict what kind of word we might need.
(number, >1)
(number, >1)
(feeling adj.)
(number)
(adj.)
(feeling adj.)
结构
意义
提示词
现在完成时
have/has done
1. 表示已经做过某事(强调结果，对目前有某种影响)
2. 表示某人的经历
before, ever, already,
just,yet,never,recently(最近), so far, since,
Summary
Focus on grammar (p104-105)
现在完成时：表示动作已经完成，并对现在有一定影响。
可用just, already, yet加以强调、说明。
I have just heard the news.
We have just started to explore other planets.
Astronauts have already been to the moon.
The scientists have not heard from it yet.
Man has not discovered any life in space yet.
just: “刚刚”，用于肯定句
already:“已经”，用于肯定句
have + just/already + done
yet: “还未，以后可能会”，用于否定句
Complete the news (p22 T1)
Spaceship on Mars!
Astronauts have (1) __________been to the moon but they have not been to any other planets. However, a spaceship has (2) _________ arrived on Mars and it has (3) _________ sent back photos of the red planet. Is there life on Mars We do not know (4) __________.
already
just
already
yet
already, just, yet
Complete the conversation (p23 T4)
Nicky: I’ve just (1) ________(watch) a great TV programme
about space. Did you know that scientists have
(2) ____________ (discover) water on Mars
Bill: Yes, I did. And scientists (3) ___________(try) to find
life on Mars now.
Nicky: Yes, they’re looking for life but they (4) __________
(not find) anything yet.
Bill: There were some new photos of Mars in the
newspaper today. (5) ______ you _________(see)
them yet
Nicky: Yes. They’re amazing!
watched
discovered
are trying
haven’t found
Have
seen
A video
Watch and answer
1. What is the symbolic meaning of Mars
2. When did Mars come into being(形成)
3. What is the weather like in Mars
4. Is there water on Mars
5. What do scientists think of life on Mars
It is symbolic of blood and war (to ancient Romans).
4.5 billion years ago.
It’s dry, desolate(荒凉) and cold, with temperatures
dropping as low as -225 ℉.
There is water in the form of polar ice caps(极地冰盖).
But there used to be liquid water billions of years ago.
They believe that life may have existed on Mars
and may exist again.
have been to vs. have gone to (p22)
The spaceship has gone to Mars.
It has gone there, but it has not come back yet.
Astronauts have been to the moon.
They went there and then they came back.
have/has been to:
意为“曾经去过某地，现在已经离开那儿”
后可接次数（如once, twice），表示“去过某地几次”
e.g. I have been to Beijing twice. 我去过北京两次。
have/has gone to:
意为“到某地去了”，说话时该人不在现场
e.g. Mr Wang isn’t here. He has gone to Qingdao.
Complete the sentences (p23 T3)
have/ has been have/ has gone
1. A spaceship ____________to Mars. It’s coming back to the earth next year.
2. Six taikonauts ___________ to the Tiangong space station by 2022.
3. Nie Haisheng___________ to space three times.
4. Two British astronauts __________ to the space station. They’ll come back in January.
has gone
have been
has been
have gone
Choose the correct answer (p22 T2)
1. Astronauts have been / gone to the moon and returned safely.
2.The spaceship has been / gone into space. It will travel for ten days.
3.The astronaut has been / gone to the space station. He will come back tomorrow.
4. The spaceship has been / gone to the space station. It brought back two astronauts.
Complete the email (p23 T6)
just
read
been
never
met
written
yet
Do you know the relationship between
the days of the week and the solar system
Read Around the World and tell True (T) or False (F)
In all languages, names of the days of the week come from heavenly bodies.
Saturday gets its name from the fifth planet from the earth.
On Saturday, people always have a rest as a tradition.
Monday is named after the moon.
many European languages
F
sixth
Sunday
F
F
T
