"We have not found life on any other planets yet" journey to space PPT courseware 2

Description

"We have not found life on any other planets yet" journey to space PPT courseware 2

Revision

Scientists have sent spaceship to Mars. The journey has taken several months.

Astronauts have already been to the moon.

No one has been to Mars yet, because Mars is very far away, much farther than the moon.

Lots of scientists are working hard in order to send astronauts to Mars one day.

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

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 traveled for a long time to reach us.

5. Scientists have received many messages from space.

6. Spaceships have visited most of the universe.

Language points

1. Scientists think that there has been life on the earth for hundreds of millions of years.

Scientists believe that life on earth has existed for hundreds of millions of years.

millions of hundreds of hundreds of

thousands of billions of billions

e.g. There are billions of stars in the

Galaxy, and the sun is only one of them.

There are billions of stars in the Milky Way, and the sun is just one of them.

2. However, we have not found life on any other planets yet.

However, we have yet to discover life on any other planet.

Yet is used in negative sentences and questions, meaning "still, still". Not ... yet means "not yet, not yet", which means that something has not happened at a certain time, but it may happen in the future. For example:

I haven’t learned any farther information yet.

I have not been given further information.

Have you received her letter yet?

Have you heard from her?

3. The earth is a planet and it goes around the sun. Seven other planets also go around the sun.

The earth is a planet that revolves around the sun. In addition, seven planets also orbit the sun.

The other seven planets in the solar system: Mercury

(Mercury), Venus (Venus), Mars

(Mars), Jupiter, Saturn,

Uranus, Neptune.

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)

It has landed on Mars.

2. What has the spaceship discovered? (people on Mars)

It has discovered people on Mars.

3. Why have the people on Mars not sent us a message? (do not know how to)

We do not know how to send us a message.

4. Why have the people on Mars not visited us on the earth? (do not know how to)

We do not know how to visit us on the earth.

High School Entrance Examination Link

1. — Where’s Mr Green?

— He _____ to Changsha. (2013 Hunan Xiangxi)

A.have been

B. has gone

C.has been

2. — Is Tom at home?

— No, he______ to town. (2013Tianjin)

A. has been B. has gone

C. goes D. will go

3. He promised to pick me up at the school gate. However, he _____ yet. (2011 Anhui)

A. didn’t arrive B. doesn’t arrive

C. isn’t arriving D. hasn’t arrived

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"We have not found life on any other planets yet" journey to space PPT courseware 3:

"We have not found life on any other planets yet" journey to space PPT courseware 3 Astronauts have already been to the moon. Scientists have sent spaceship to Mars. The journey..

"We have not found life on any other planets yet" journey to space PPT courseware:

"We have not found life on any other planets yet" journey to space PPT courseware What do you think of (think of) when you see the Moon? Is she alone? Change has gone to the Moon. ..

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Update Time: 2024-07-30

This template belongs to English courseware Foreign Language Research Edition Eighth Grade English Volume 2 industry PPT template

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