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If you watch the sky about an hour after the sun sets,you may see some " moving stars”. But they're not real stars. They're man-made satellites. A nd the biggest of all is the International Space Station ( ISS). The ISS is the biggest man-made satellite because scientists want to live on it. Thf'y think that the [>est way to learn moiv about space is to live there.
When humans finish the space station,it will be like a city in space. People will stay and study there witli many of the things like at home. There are many lahs for space tests. The ISS is the most expensive space station. People will spend billions of dollars on it.
Scientists hope that the ISS will be a stepping stone(跳板)for future space exploration (探索).
"The ISS will help us better understand the human body, the space and the earth. It can help make our life on earth better," said Kathryn Clark, an ISS scientist.
Sixteen countries are part of the program: the US, Russia, Canada, Japan, Brazil and 11 European countries. China is not among them, but it helped with some of the experiments. In 2003 ,China sent some rice to the ISS to find out what space would do to it.
When scientists finish the International Space Station, more than 90% of the world's people can see it. So keep looking up, and maybe you'll see it get bigger.
閱讀短文,選擇最佳選項。
( ) 1. The ISS is a
A. building B. planet
C. country D. satellite
( ) 2. The International Space Station will be like a for space exploration.
A. city B. school
C. library D. hospital
( ) 3. What does the underlined word u it" refer to in the passage?
A. ISS.
B. Rice.
C. Program.
D. China.
( ) 4. Which of the following is NOT true according to the passage?
A. To build the ISS will cost much money.
B. To build the ISS can improve our life.
C. China is not a member of the ISS program.
D. Few people can see it when scientists finish the ISS.
( ) 5. What is the best title for this passage?
A. The ISS: A Flying City in the Sky
B. Moving Stars
C. Future Space Exploration
D. Man-made Satellites
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In Chinese, the planet Mars may 1 (name ) because of its red color. Mars is sometimes referred to as the " Red Planet". The name of the month March 2 ( come ) from Mars. Mars is the fourth planet from the Sun, and the seventh3 ( large ) of the eight planets. Mars is a small, rocky planet which is cold and 4 ( life) . Mars 5 (visit) first hv the spacecraft Mariner 4in 1965. Several others followed, 6 ( include ) the two Viking landers in 1976. After a long break,Mars
Pathfinder landed 7 ( successful) on Mars on July 4,1997.
1._______ 2.________ 3. 4._______
5. 6. 7._______
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( ) 4. The temperature on Mars is between and .
A.- 138℃;18℃ B.-128℃;38℃ C.-118℃; 28℃D.- 138℃;28℃
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( ) 3. Mars is in the night sky.
A. bright yellow B. bright red
C. orange D. blue
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( ) 1. Mars is the planet from the Sun in our solar system.
A. first B. second
C. third D. fourth
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at a distance of,as wide as,what's worse, be worth,search for
1. You can the information about trains on the Internet.
2. You can see my beautiful house one kilometer.
3. The roads here are two times those in my homelown.
4. I was late for school today. , I forgot to bring my schoolbag with me.
5. It's an excellent Look and it reading.
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