| reach, be, go, find, not know, discover, think, call, have, communicate, keep |
Scientists think that there has been life on the earth for hundreds of millions of years. However, we haven’t
The earth is a planet and it
Scientists
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
2 . In the universe, as we all know, there is the sun, the moon, the earth and a good many stars. Through our geography lessons, we know the earth goes around the sun, and the moon goes around the earth. We have day and night because the earth keeps turning all the time. When our part of the earth turns to the sun, it is day. When our part of the earth turns away from the sun, it is night.
Just because the moon is closer to the earth than the sun, it looks much bigger than the sun. Big things will look smaller when they are farther, and small things also look bigger when they are nearer.
The sun is big enough to give out very strong light. The moon can’t give out any light at all, but it looks quite bright, too. Why? In fact, the light from the moon comes from the sun. The moon looks much bigger and brighter than the stars. But actually the stars are much bigger and brighter than the moon. They look smaller than the moon also because they are farther away from the earth. There are many other planets in the universe. But of all the planets, only on the earth are there living things and people can only live on the earth, too. But at 9:00 a.m., October 15th, 2003, the Chinese pilot Yang Liwei was sent up in to space. He stayed there for 21 hours. It was the first time for Chinese to get into space.
1. When our part of the earth turns away from the sun, the other part of the earth is ________.| A．night | B．day | C．evening | D．Sunday |
| A．bigger; farther from | B．smaller; closer to |
| C．bigger; closer to | D．smaller; farther from |
| A．the earth | B．Mars | C．the moon | D．the sun |
| A．November 15th, 2002 | B．October 16th, 2003 |
| C．May 15th, 2004 | D．October 15th, 2003 |
| A．The moon goes around the earth, and it can’t give out any light at all. |
| B．The moon goes around the sun, and its light is from the sun. |
| C．The earth moves around the moon, and people can only live on the earth. |
| D．Of all the planets, only the earth moves around the sun. |
3 . Is there life on Mars (火星)? We don’t know. We are sure that people can not live on Mars. People can’t live without oxygen(氧气). There is little oxygen on Mars. Living on Mars would be like living on a very high mountain. There would be little air. It may be 50℃ at noon and -100℃ at night.
Many people think there may be plants on Mars. We know that Mars has carbon (二氧化碳). This is kind of material (物质) and we found it in all plants and animals on the earth. Mars looks red. In some places, it seems gray. Sometimes the gray color turns gray-green then brown, and then gray again. The gray-green color may be a kind of plant life changing color with seasons.
Will man go to Mars one day? If they do, they will have to take their own oxygen, food, clothing and shelter (住所) with them.
1. Which can’t live on Mars?| A．Life. | B．Man. | C．Plant. | D．Carbon. |
| A．Because there is almost no oxygen. | B．Because it is too hot at noon. |
| C．Because it is too cold at night. | D．Living on Mars is like living on a high mountain. |
| A．Oxygen. | B．Earth. | C．Carbon. | D．Mars. |
| A．Its gray color. | B．Its red color. |
| C．Its brown color. | D．The changing of its colors. |
| A．Some kinds of plants may live on Mars. |
| B．There is a little Oxygen on Mars and it is not enough for earth people to live there. |
| C．We can live on Mars with the help of carbon. |
| D．There is always only one season on Mars. |
4 . Our nearest neighbour is the moon. In the sky, the moon and the sun seem to be of the same size because the moon is much nearer.
The moon makes the tides—the changes in the level of the sea. The moon and the sun together pull the sea. In some parts of the world, the difference between “high tide” (when the sea is very near to the land) and “low tide” (when the sea is far away from the land) is very big. This is very important for ships.
The moon is very different from the earth. Gravity on the moon is six times weaker than that on the earth. There isn’t any air. During the day, it is very, very hot but at night it is very, very cold. Nothing can live on the moon. If the moon goes between the earth and the sun, we have an eclipse of the sun (日食). The moon stops the light from the sun and we have night in the day. If the earth goes between the moon and the sun, we have an eclipse of the moon (月食). The moon goes into the shadow (影子) of the earth and it disappears for a few minutes.
1. When the sea is far away from the land, we call it ________.| A．high tide | B．shadow | C．low tide | D．gravity |
| A．five times | B．six times | C．seven times | D．eight times |
| A．the moon | B．the sun | C．the stars | D．the earth |
| A．The earth goes between the moon and the sun. | B．The moon goes into the shadow of the sun. |
| C．The moon goes into the shadow of its own. | D．The sun disappears for a few minutes. |
a. The moon and the sun are of the same size.
b. Gravity on the earth is 6 times stronger than that on the moon.
c. The changes in the level of the sea are called tides.
d. The moon itself pulls the sea and makes the tides.
e. When the sea is near to the land, a high tide may happen.
f. It is much hotter in the day but much colder at night on the moon.
| A．abcf | B．bcde | C．adef | D．bcef |
5 . Venus（金星） is close to the earth. It is the second planet from the sun. The earth is the third planet from the sun. Venus is similar (相似的) to the earth in size and mass (质量). It is often described as the earth’s “sister”.
Scientists have learned about Venus for a long time. First they looked at Venus through telescopes (望远镜). But scientists could not see Venus well because of thick clouds on Venus. So they made guesses about it.
For a long time, scientists thought that Venus had water and plants. They thought Venus might have animals too. But they didn’t know for sure.
Then scientists found a way to learn more about Venus. In the 1960s, they began sending probes (航天探测器) to Venus. The probes flew through the thick clouds. They took pictures of Venus up close. They found out many things too. The probes sent the pictures and things they found out back to the scientists.
The scientists learned a lot from the probes. First they learned that most of their guesses were not right. And they learned that Venus is very hot.
After that, scientists knew they could not send people to Venus. But they still wanted to know more about it. So they sent new probes. These new probes took great pictures of the planet. The pictures showed that Venus has plains and mountains! And in some ways, Venus looks like the earth.
根据材料内容完成下列任务。
1—2题简要回答下列问题；3题判断正(T)误(F)；4题翻译划线句子；5题选择正确答案。
1. How are Venus and the earth similar?
2. Why is it hard to see Venus well through a telescope?
3. Scientists began to send probes to Venus about 60 years ago.
4.
5. Where does the passage probably come from?
| A．A diary. | B．A storybook. |
| C．A science magazine. | D．A medical dictionary. |
| Have you |
| There are |
| So far, scientists have already sent |
| Scientists are still working |
7 . Our nearest neighbour is the moon. In the sky, the moon and the sun seem to be of the same size because the moon is much nearer.
The moon makes the tides(潮汐)—the changes in the level of the sea. The moon and the sun together pull the sea. In some parts of the world, the difference between “high tide”(when the sea is very near to the land) and “low tide”(when the sea is far away from the land) is very big. This is very important for ships.
The moon is very different from the earth. Gravity on the moon is six times weaker than that on the earth. There isn’t any air. During the day, it is very, very hot but at night it is very, very cold. Nothing can live on the moon.
If the moon goes between the earth and the sun, we have an eclipse(日食) of the sun. The moon stops the light from the sun and we have night in the day.
If the earth goes between the moon and the sun, we have an eclipse of the moon(月食). The moon goes into the shadow(影子) of the earth and it disappears for a few minutes.
1. When the sea is far away from the land, we call it “________”．| A．high tide | B．low tide | C．shadow | D．gravity |
| A．five | B．six | C．seven | D．eight |
| A．the moon | B．the sun | C．the stars | D．the earth |
| A．The earth goes between the moon and the sun. |
| B．The moon goes into the shadow of the sun. |
| C．The moon goes into the shadow of its own. |
| D．The sun disappears for a few minutes. |
a. The moon and the sun are of the same size.
b. Gravity on the earth is 6 times stronger than that on the moon.
c. The changes in the level of the sea are called tides.
d. The moon itself pulls the sea and makes the tides.
e. When the sea is near to the land, a high tide may happen.
f. It is much hotter in the day but much colder at night on the moon.
| A．abcf | B．bcde |
| C．adef | D．bcef |
Amy: Hello, Tony.
Tony: Really? Would you like to tell me?
Amy: Of course. What do you want to know?
Tony:
Amy: Hundreds of millions of years.
Tony: Wow! So long.
Amy: Not yet. But they have discovered water on Mars.
Tony: That sounds very interesting. Have they found life on Mars?
Amy: No, they haven’t. And scientists have already found that there’s no life on the moon.
Tony:
Amy: Yes, that’s right. Oh, I want to return the book about journeys to space to Jack, but I can’t find him. Do you know where he is?
Tony:
Amy: Thanks a lot.
| A．Is there only life on the earth so far? |
| B．How long has there been life on the earth? |
| C．So have scientists found life on other planets? |
| D．He has been in the space museum. |
| E．I have been to the museum. |
| F．He has just gone to the school library. |
THE MOON
Son: Look, Dad! How bright and near the moon looks tonight!
Father: But it isn’t as near as it looks.
Son: I know it’s far away from the earth.
Father: It’s three hundred and eighty thousand kilometers away.
Son: How far is that?
Father: Well, it takes more than three days to get there by spaceship.
Son: A spaceship flies very, very fast, doesn’t it?
Father: Yes. It flies at about eleven kilometers a second. In 1969 two Americans got to the moon by spaceship. That was one of the most exciting moments of that year.
Son: They didn’t find any living things there, did they?
Father: No, they didn’t. It’s too hot in the day and too cold at night. Nothing can live on the moon.
Son: I hear walking on the moon is more difficult. It’s like jumping and flying. Is that so?
Father: Yes, isn’t that interesting! Everything is much lighter on the moon. You can jump much higher on the moon than on the earth.
Son: I wish I could fly to the moon in a spaceship one day. It must be great fun.
1. How does the moon look tonight?2. How far is the moon from the earth?
3. How far can a spaceship fly in an hour?
4. Why can you jump much higher on the moon than on the earth?
5. What does the underlined word “that” mean?
What is the solar system? It is our sun and other
Our solar system including the Sun, the Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Our solar neighborhood is an
While others disagree with the ideas above. They believe we will like inner space better
Which one do you believe? I can’t wait
