At 9:00 am on 15th October, 2003, our country     1     （send）its first manned spaceship, Shenzhou V, into space at Jiuquan Satellite Launch Centre.     2     took Yang Liwei and his spaceship about 21 hours to go around the earth 14 times. Yang Liwei is China’s     3     （one）astronaut. He comes from Liaoning Province and

The life of     5     astronaut is not easy. To put on a spacesuit takes him 15 minutes     6     the help of others.

China has become the third country in the world to send a person     10     space. We are all proud of our motherland.

3 . At 9:00 am on 15th October 2003, our country     1    （send）its first manned spaceship, Shenzhou V, into space at Jiuquan Satellite Launch Centre.     2     took Yang Liwei and his spaceship about 21 hours to go around the Earth 14 times, Yang Liwei is China’s     3    （one）astronaut. He comes from Liaoning Province and     4    （be）an air force pilot（飞行员）for many years.

The life of     5     astronaut is not easy. To put on a spacesuit takes him 15 minutes     6     the help of others.     7    （sleep）in space is not easy, either. He has to sleep in a special sleeping bag on the wall     8     there is no gravity（重力）. “I’m feeling very good in space, and it looks wonderful here,” said Yang. “I have looked at our beautiful Earth and recorded（记录）    9     I have seen there."

China has become the third country in the world to send a person     10     space. We are all proud of our motherland.

4 . Are you interested in space travel? It     1     (report) that space will soon be a popular place to go on a holiday by 2050. One Japanese company is     2     (plan) a space holiday center. It will look like a bicycle wheel with a hotel and a theme park. It will travel around the Earth at a     3     (high) of 300 km. The leaders of the company say that     4     (fly) to the center will be faster than that from Hong Kong to Singapore.     5     the space trip will cost about 10,000 dollars, the company still believes lots of people can afford it. And years later, the trip will become much     6     (cheap). Of course, the tourists will be treated better as well.

Recently, an American hotel group is also thinking of building     7     unusual hotel called the Lunar Hotel. It'll probably be ready by 2049. This will be on the moon. Most of the hotel will be under the ground, so it will be     8     too hot nor too cold. The guests will eat food for lunch     9     (normal). The cooks will just mix dried food with water     10     (make) instant meals.

Mars is an empty planet, but that could change. Someday, it might have farms where fruit and vegetables could grow.

Growing food on Mars has always seemed hard. But scientists think they have found a way to do it. They put sheets (薄膜) of material on the ground. The sheets could change the cold, dry planet into land for farming. Robin Wordsworth worked on the sheets at Harvard University in a Massachusetts. He said the sheets could let people live on another planet. On Mars, the conditions are not good, though. Most importantly, the planet is cold and dry. The soil might have polluted parts, and the air does not have much nitrogen (氮气) that plants need to grow.

The sheets do not solve all the problems. Still, they could help to set up a place for plants. The plants would grow only under the sheets. So there is less worry about harming the rest of Mars. The sheets would cover the plants.

The scientists worked with sheets about an inch thick. Those allowed light through for plants. They also warmed the ground and trapped enough heat to melt ice on Mars. Placing the sheets over icy parts of Mars could let plants alive there. Their study was printed in Nature Astronomy. The sheets could be on the ground to grow water plants and they also could be hung. That would give room to plants to grow on land below them.

Wordsworth said, "You can imagine this being used in a number of ways. It could be used for visitors to Mars. Later it could be for people who live there. However, it's a pity that the sheets are being studied in the lab."

6 . We all know that Earth only has one moon. But did you know that Earth gets to have new friends every now and then? They are called "mini-moons".

A mini-moon is also called a Temporarily Captured Object(暂时捕获的天体) , or TCO. Earth doesn't get them very often. When Earth and other objects in space get close together, Earth's gravity(重力) will pull on the objects and change their orbits(轨道) . Then the object may move around Earth for one or two years and then leave.

In September, NASA scientists found an object coming into Earth's orbit. They named it 2020 SO, it will stay in our orbit until May 2021, according to Universe Today.

The new mini-moon could be a man-made object. Paul Chodas, a NASA scientist, believes that it could be an old rocket part from NASA's failed moon-landing mission(失败的登月任务) in 1966. Scientists will keep watching it to find out, as it'll get closer to us in November.

We have seen two mini-moons before. One was 2006 RH120, which moved around Earth from 2006 to 2007. The other is 2020 CD3. Scientists found it in February this year, but it left in March. Both of these mini-moons were space rocks.

Why is it called Mars? You might have asked yourself this before. Well, Mars is the name of the Roman god of war. People have seen the planet as a symbol of war for thousands of years. The ancient Greeks called the planet Ares after their god of war. Chinese people called it the“fire star" for the same reason.

Scientists have been interested in the planet since long before any space tasks. Egyptian scientists first saw Mars in the sky more than 4,000 years ago. Since then, people from all over the world have studied the planet.

Over the years, scientists have continued to study the planet and learned some basic things about it.

Mars is 10 times lighter and about 6 times smaller than Earth. Earth is 93 million miles (about 150 million km) from the sun, while Mars is 142 million miles away. That means it is much colder on Mars. In fact, the average temperature on Mars is - 62℃. Scientists found water on Mars long ago, but because of the low temperatures there, it is frozen. One day on Mars is called a sol and is about 40 minutes longer than one Earth day. The Red Planet's surface gravity is only 37% as strong as Earth's, meaning you would be able to jump nearly two times higher on Mars.

A． Earth               Mars

B． Earth             Mars

C． Earth               Mars

D． Earth               Mars

8 . Astronauts go on spacewalks for many reasons. Spacewalks let astronauts work outside their spaceship while still in space. Astronauts can do science experiments on a spacewalk. Experiments can be placed on the outside of a spaceship. This lets scientists learn how being in space influences different things. Spacewalks also let astronauts repair satellites or spaceship that are in space. By going on spacewalks, astronauts can fix things instead of bringing them back to Earth to fix.

When astronauts go on spacewalks, they wear spacesuits to keep themselves safe. Inside spacesuits, astronauts have the oxygen（氧气）they need to breathe. They have the water they need to drink.

Astronauts put on their spacesuits several hours before a spacewalk. They leave the spaceship through a special door called an airlock. The airlock has two doors. When astronauts get ready to go on a spacewalk, they go through the first door and lock it tight behind them. They can then open the second door without any air getting out of the spaceship. After the spacewalk, astronauts go back inside through the airlock.

When on a spacewalk, astronauts use safety tethers to stay close to their spaceship. One end is tied to the spacewalker. The other end is connected to the spaceship. The safety tethers keep astronauts from flying away into space.

9 . Stop reading for a minute and think about what you see when you look up at the sky on a clear night. You probably see many stars. Long long ago, farmers watched some stars to know when to plant their crops. Travelers did so to find their way in the dark.

Today stars are still important to some people. Scientists find that most stars are very big. Actually, some stars are so far away that it would take millions of years to get to them even by spaceship. Another thing we know today about stars is that some are made up of (由…组成) hot gases (气体). The gases are so hot that they send out light. If you watch a star carefully, you may notice that it twinkles (闪烁) sometimes. As you may understand, light from a star must shine through the air before you can see the star. Air is always moving, it makes light from the star move back and forth. When the light moves, it makes the star twinkle. Stars also have different colors. The colors of a star depend on how hot it is. To our surprise, the cool stars are red and the hottest stars are white.

10 . (A)Five hundred kilometers’ over Europe, Ship OM-45 moved north. In a room at the back of the ship. Kiah     1     (watch) the numbers on the computer in front of him.

“Time for dinner,” Rilla said.

The numbers changed     2     (quick) and Kiah’s eyes didn’t move. Rilla went across the room to     3    (he) table. She began to watch the numbers, too.

“What’s wrong     4     the satellite?” she asked. She was a beautiful girl, about twenty years old, with long black hair and big eyes.

“Nothing’s wrong with the satellite,”Kiah answered quietly. “It’s the AOL.” He began     5    (write) the numbers in the book on his table.