题目列表(包括答案和解析)
If you knew a bottle of water had been recycled from urine (尿), would you drink it? Astronauts at the International Space Station (ISS) may soon do so. NASA (美国航空航天局) said it would use a high-tech machine (高科技机器) to recycle wastewater at the ISS. The machine will recycle everything from sweat (汗), the water for washing hands, shower water, water used for brushing teeth, and even urine, to make drinking water.
It will save NASA millions of dollars each year. At present, each ISS astronaut uses about 4.4 liters (升) of water every day. It costs about $24 million a year to transport water up to ISS. NASA says that a liter of water costs about $11,000.
The machine will be sent to the ISS in October 2008. NASA hopes it will recycle about 93% of all water used on the station. Will the water be clean? Scientists say the wastewater will go through a very complicated process (复杂的过程). For example, different chemicals will be put in the wastewater; the water will be heated to 130℃to get rid of bacteria (细菌). The recycled water is thousands of times better than the water from a city tap, scientists say.
1.NASA will use a high-tech machine to recycle wastewater at the ISS to __________.
A. protect the ISS
B. make astronauts at ISS work harder
C. provide better water and food for ISS astronauts
D. save the cost of transporting water up to the ISS
2.At present it costs NASA about ______ dollars to transport water up to an astronaut at the ISS a day.
A. 4.4 thousand B. 11 thousand
C. 48.4 thousand D. 24 million
3.Scientists plan to get rid of bacteria in the wastewater by ______.
A. freezing B. heating
C. shaking D. precipitating (沉淀)
4.The reading mainly tells us something about ______.
A. water recycling B. the International Space Station
C. a high-tech machine D. the cost of NASA
5. Which of the following sentences is true, according to the passage?
A. The recycled water is much better than that from a city tap.
B. The high-tech machine will recycle all the water used on the station.
C. At present, each ISS astronaut uses more water than the people living on the earth.
D. The high-tech machine can only recycle urine to make water at present
| A.the pea | B.the nut | C.both the pea and the nut | D.neither the pea nor the nut |
| A.Paragraph Four | B.Paragraph Three |
| C.Paragraph Two | D.Paragraph One |
| A.Helpful for staying healthy. | B.Helpful to the poor. |
| C.Delicious and tasty. | D.Rich in fat and oil. |
| A.Nomads always stayed in the same place. |
| B.The peanut was first found in South America. |
| C.Astronauts ate lots of peanuts to keep healthy. |
| D.China grows fewer peanuts than the US. |
| A.To show that peanuts belong to the pea family. |
| B.To advise us to use more peanut products. |
| C.To tell us some new uses of peanuts. |
| D.To let us know more about peanuts. |
SPACE is a lonely place. Hundreds of thousands of kilometers from home, astronauts have a hard life. It stands to reason that, once in a while, they need to have a good cry. But this is a lot harder than it sounds.
We still know very little about space, and about living in zero gravity. In fact, we are discovering new things every time astronauts take to the skies (and beyond). As The Atlantic reported in January, crying is not all that simple in space. This is because when a person normally cries, gravity makes their tears move downwards. But in a spacecraft, this is not the case. Here, there is no gravity, which is why we so often see pictures of astronauts floating around. This means that, strangely, when you cry your tears have nowhere to go. As a result, they just stick to your eyes.
In May 2011, astronaut Andrew Feustel experienced this. “Tears,” as he said, “don’t fall off your eye… they just kind of stay there. ” This can be quite painful. In space, your eyes get very dry, and the added moisture is irritating (气人的). Sometimes, things get even weirder(更怪异的). The astronaut Ron Parise told The Atlantic that when tears get big enough, they “break free of the eye and float around”.
No one can be quite sure why we cry. Why should water in our eyes have anything to do with feeling sad? If you stop to think about it, crying is a very strange thing indeed. And now, thanks to the wonders of space, it just got even stranger.
1.The first paragraph mainly wants to tell us that .
A.living in space is lonely
B.it’s easy to feel sad in space
C.it’s hard to cry in space
D.nobody wants to live in space
2.If astronauts cry in spacecraft, their tears will .
A.move downwards B.move upwards
C.go out of the window D.stick to their eyes
3.Astronauts feel if tears are always in their eyes.
A.sad B.comfortable C.happy D.uncomfortable
4.What can we learn from the passage?
A.In space our eyes are very wet.
B.Tears will float around if they are big enough in space.
C.People know everything about living in zero gravity.
D.Gravity makes people’s tears move upwards in space.
| A.An Italian. | B.A Japanese. | C.An American. | D.A Chinese. |
| A.Because they have touched nearly everything in our life. |
| B.Because men would not live happily without them. |
| C.Because they are the only ways to spread information. |
| D.Because no communication means no life. |
| A.To receive and store information only. |
| B.To move around the earth just like the moon. |
| C.To give light onto the earth at night. |
| D.To help send out radio or TV information to the world. |
| A.he was just an Italian inventor |
| B.his invention has done much for the world |
| C.he had reported much to people all over the world |
| D.he helped people travel a lot around the world |
At 9 a.m. on October 15, 2003, our country launched (发射) its first manned (有人的) space-ship, Shenzhou V, into space at Jiuquan Satellite Launch Center in Gansu Province. It took Yang Liwei and his spaceship about 21 hours to circle the earth 14 times. Yang Liwei is China’s first astronaut. He comes from Liaoning Province, and he has been an air force pilot(飞行员) since 1983. He was chosen from 14 pilots after many difficult tests.
The life of an astronaut is hard to imagine for many people. To put on a space suit takes 15 minutes with the help of others. Sleeping in space is not easy, either. He has to sleep in a special sleeping bag on the wall because there is no gravity. Yang can eat chicken and rice. It’s especially made to eat in space but it doesn’t taste nice.
“I’m feeling very good in space, and it looks wonderful here,” said Yang, “I have looked at our beautiful earth and I have recorded all that I have seen here.”
China has become the third country in the world to send a person into space after the former Soviet Union(前苏联) and the United States. China is now planning its next launch. Shenzhou VI will be into space within(在……之内) the next years, it may take three astronauts. We are all proud of our motherland.
1.Shenzhou V was launched into space _____.
|
A.at 9 a.m. on October 15, 2003 |
|
B.at 9 p.m. on October 15, 2003 |
|
C.at 9 a.m. on October 16, 2003 |
|
D.at 9 p.m. on October 16, 2003 |
2.Yang Liwei is a(n) ______.
|
A.policeman |
B.businessman |
C.doctor |
D.astronaut |
3.Yang Liwei is from _______.
|
A.Liaoning |
B.Gansu |
C.Jining |
D.Inner Mongolia |
4.Which of the following is true?
|
A.It took Yang Liwei and his spaceship about 12 hours. |
|
B.Life in space is easy for an astronaut. |
|
C.China is planning its next launch now. |
|
D.Yang Liwei is the first man into space. |
5.We can know there are _____ countries in the world which can send man into space.
|
A.five |
B.four |
C.three |
D.two |
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