科目:高中英語 來源: 題型:閱讀理解
Have you ever dreamed of visiting a planet in the Milk Way? While the trip sounds exciting, it would take years and years to reach your destination. So in the future, bedtime for astronauts may be more than a few hours of regular shut-eye. They would have to sleep for years.
European researchers are now conducting hibernation experiments. The study may help them understand whether humans could ever sleep through the years it would take for a space flight to distant planets. "If there was an effective technology, it could make deep-space travel a reality," said Mark Ayre of the European Space Agency last month.
What seems like science fiction is not completely unlikely. Researchers have been able to use chemicals to put living cells into a sleep-like state where they don't age. They have now moved on to small, non-hibernating mammals like rats. The results will be out by the end of 2004.
A major challenge is the fact that cells can be very simple systems, whereas body organs are far more complex.
"It's like moving from a simple Apple computer to a supercomputer," said Marco Biggiogera, a hibernation researcher at Italy's University of Pavia.
Just like bears and frogs, the hibernation of human beings would cause a person's metabolism (新陳代謝) to lower so they would need less energy.
Medical research, however, is just half of a space flight hibernation system.
There is the challenge of designing a suitable protective shelter. Such a shelter would provide the proper environment for hibernation, such as the proper temperature. It would also have to monitor (監(jiān)控) life functions and serve the physiological needs of the hibernator.
According to Ayre, the six-person Human Outer Planets Exploration Mission to Jupiter's moon (木星的衛(wèi)星) Callisto, could be an opportunity to use human hibernation. The mission aims to send six humans on a five-year flight to Callisto, where they will spend 30 days, in 2045.
9. European researchers are conducting hibernation experiments to ________.
A. ensure astronauts to get a complete sleep B. find the secret of some creatures
C. make preparations for the journey to Jupiter’s moon Callisto
D. know if man can sleep for years
10. The sentence “What seems like science fiction is not completely unlikely” means ______.
A. Science fiction is people’s imagination.
B. Science fiction is imaginative, but it can be realized.
C. Things seem impossible may come true.
D. Things described in science fiction are sure to become true.
11. The passage is implied but doesn’t states that ________.
A. putting living cells into a sleep-like state is full of failure
B. Biggiogera is confident with the experiment
C. human’s hibernation needs no energy
D. medical research is the key to space flight hibernation system
12. By designing a suitable protective shelter, astronauts can ________.
A. have a good hibernation B. lessen the pressure of traveling in space
C. feed themselves in spaceship D. moinitor their body changes
13. What’s the best title for the passage?
A. Six humans to fly to Callisto B. Human hibernation improves health
C. Space travel attracts people D. Deep sleep for deep space travel
查看答案和解析>>
科目:高中英語 來源: 題型:閱讀理解
Time spent in a bookshop can be most enjoyable, whether you are a book-lover or only there to buy a book as a present. You may even have entered the shop just to find a shelter from a sudden shower. Whatever the reason, you can soon totally unaware of your surroundings. You soon become interested in some books or others, and usually it is only much later that you realize you have spent too much time there and have to rush off to keep some forgotten appointment.
This chance to escape the realities of everyday life is the main attraction of a bookshop. A music shop is very much like a bookshop. You can walk around such a place to your heart's content. If it is a good shop, no assistant will come up to you with the greeting "Can I help you?" You needn't buy anything you don't want. In a bookshop an assistant should remain in the background until you have finished reading. Then, and only then, are his services necessary.
Once a medical student had to read a textbook which was far too expensive for him to buy. He couldn't borrow it from the library and the only copy he could find was in a certain bookshop. Every afternoon, therefore, he would go along to the shop and read a little of the book at a time. One day, however, he was disappointed to find the book missing from his usual place. He was about to leave, when he noticed the owner of the shop beckoning to him. Expecting to be told off, he went towards him. To his surprise, the owner pointed to the book which was tucked away in a corner. "I put it there in case anyone tries to buy it !"He said, and left the delighted student continuing his reading.
According to the passage the main attraction of a bookshop is that ________.
A. people can learn something from books
B. it can be a shelter from a sudden rain
C. it is the surrounding of new knowledge
D. it offers a chance to get free from realities
The writer thinks that the assistant in a good bookshop should ________.
A. always greet customers pleasantly and warmly
B. help the readers to find what they want to read
C. not say a word to the customers while they read
D. not stand behind the bookshelf all the time
The underlined word "beckoning" in the last paragraph means ________.
A. waving somebody to come up B. laughing at a person openly
C. shouting at somebody angrily D. shaking one's head to show disagreement
The purpose of the writer in writing the third paragraph is to ________.
A. tell us a story that happened in a bookshop
B. support his idea of what a good bookshop is like
C. teach us how to read in a shop without buying books
D. advise us to help other people whenever we can
查看答案和解析>>
科目:高中英語 來源:2013屆四川省雅安中學(xué)高三1月月考英語試卷(帶解析) 題型:閱讀理解
Homelessness is a huge problem all over the world. It’s said that each day there are about 1 million people living on the streets in the US. It is a serious problem which should be dealt with effectively.
There are two main reasons for people leaving their homes: poverty and less affordable houses due to bad economic conditions. Other reasons include: domestic violence, divorce, and mental illness. Living without a home makes people main targets of violence activities and besides, these homeless people have to face the following difficulties on a daily basis.
They have to move about, carrying their belongings, which makes it difficult for the charity and the government to help them. They have limited access to bathrooms and restrooms and are forced to live in dirty conditions, making them easy to be attacked by diseases. They have limited access to health-care facilities in case of emergency, and almost no access to education as they have no money. They are often ill-treated by society, which makes them unfriendly, often ending up being involved in activities connected with crime like selling drugs or guns.
Homelessness is not something that happened overnight --- it has been in the country for decades. The society usually believes those living on the street to be mentally unstable. This belief is partially true. Most of them are normal people just like you and me.
The federal government is doing all it can to help but it is not enough, so the ordinary citizens have to stand up and try to help whenever it’s possible. There are various organizations, such as charity organizations that are working constantly to make sure that homeless people find a shelter to live in. the united efforts have helped millions of people return to their normal lifestyle. However, there is still a long way to go before a better situation is created for all the homeless.
【小題1】Homeless people suffer from all the following except __________.
A.violent activities | B.disease attack | C.moving a lot | D.heavy work |
A.having mental problems | B.a(chǎn) danger to society |
C.physically disabled people | D.being too lazy to do anything |
A.①②③ | B.①③④ | C.①②④ | D.②③④ |
A.Most homeless people died of hunger and cold. |
B.The homeless should work hard to change their own situation. |
C.The homeless problem is a serious problem that need solving effectively. |
D.The homeless people have nothing to take when they move about. |
查看答案和解析>>
科目:高中英語 來源:2015屆四川成都南片區(qū)六校聯(lián)考高二上學(xué)期期中考試英語試卷(解析版) 題型:閱讀理解
This is a true story of how my car got stuck in water and how a stranger helped me during the worst rain storm.
Last Sunday, the sky was grey when I woke up. The weather report said rain was coming, but I couldn’t stay home just because of rain.
Around 8:00 am I had a doctor’s appointment. It wasn’t raining then. At 9:00 I left the doctor’s office to drive to work, and it was raining hard. I just had to go about 5-6 miles down one main road to get to a nearby school, where I could stay until the rain ended. Unfortunately, the road in front of the school was flooded, and my car stopped in the middle.
“Who is going to save me?” I wondered. I shut off the engine and turned on my flashers (車燈). I called 911. They were not helpful. I called my husband, even though he couldn’t come and help me. I was also very close to a police station. But I never saw even one police car. I decided to get out of the car, since it was still pouring.
My best decision of the day had been to wear rain boots. I took my umbrella and quickly got out and ran across the street to a shelter.
Before long, a tow truck(拖車) happened to pass by the street. The driver kindly offered to help me. At that moment, I really needed car pulled out quickly, so I trusted the stranger. He pulled my car and drove me home. After he had dropped my car off, he also helped me check the engine. He said the engine was most likely flooded, but fortunately there was no water inside the car.
Although many years have passed, I still remember that stormy day and the warm-hearted stranger clearly.
1.How was the weather when the author got up?
A. Rainy. B. Cloudy. C. Windy. D. Sunny.
2.Which of the following is the correct order about the things that the author did?
① Drove to work. ② Drove to the doctor’s office.
③ Ran to a shelter. ④ Called 911 for help.
A. ②①④③ B. ②③①④ C. ①②④③ D. ①③②④
3.What did the author do after her car had got stuck in the water?
A. She turned off her flashers.
B. She tried to restart the engine.
C. She went to the police station nearby.
D. She got out of her car.
4.How did the stranger help the author?
A. He lent his car to her.
B. He pulled her car out of the water.
C. He drove her to school.
D. He helped her fix her engine.
查看答案和解析>>
科目:高中英語 來源:2015屆四川成都南片區(qū)六校聯(lián)考高二上學(xué)期期中考試英語試卷(解析版) 題型:閱讀理解
This is a true story of how my car got stuck in water and how a stranger helped me during the worst rain storm.
Last Sunday, the sky was grey when I woke up. The weather report said rain was coming, but I couldn’t stay home just because of rain.
Around 8:00 am I had a doctor’s appointment. It wasn’t raining then. At 9:00 I left the doctor’s office to drive to work, and it was raining hard. I just had to go about 5-6 miles down one main road to get to a nearby school, where I could stay until the rain ended. Unfortunately, the road in front of the school was flooded, and my car stopped in the middle.
“Who is going to save me?” I wondered. I shut off the engine and turned on my flashers (車燈). I called 911. They were not helpful. I called my husband, even though he couldn’t come and help me. I was also very close to a police station. But I never saw even one police car. I decided to get out of the car, since it was still pouring.
My best decision of the day had been to wear rain boots. I took my umbrella and quickly got out and ran across the street to a shelter.
Before long, a tow truck(拖車) happened to pass by the street. The driver kindly offered to help me. At that moment, I really needed car pulled out quickly, so I trusted the stranger. He pulled my car and drove me home. After he had dropped my car off, he also helped me check the engine. He said the engine was most likely flooded, but fortunately there was no water inside the car.
Although many years have passed, I still remember that stormy day and the warm-hearted stranger clearly.
1.How was the weather when the author got up?
A. Rainy. B. Cloudy. C. Windy. D. Sunny.
2.Which of the following is the correct order about the things that the author did?
① Drove to work. ② Drove to the doctor’s office.
③ Ran to a shelter. ④ Called 911 for help.
A. ②①④③ B. ②③①④ C. ①②④③ D. ①③②④
3.What did the author do after her car had got stuck in the water?
A. She turned off her flashers.
B. She tried to restart the engine.
C. She went to the police station nearby.
D. She got out of her car.
4.How did the stranger help the author?
A. He lent his car to her.
B. He pulled her car out of the water.
C. He drove her to school.
D. He helped her fix her engine.
查看答案和解析>>
湖北省互聯(lián)網(wǎng)違法和不良信息舉報平臺 | 網(wǎng)上有害信息舉報專區(qū) | 電信詐騙舉報專區(qū) | 涉歷史虛無主義有害信息舉報專區(qū) | 涉企侵權(quán)舉報專區(qū)
違法和不良信息舉報電話:027-86699610 舉報郵箱:58377363@163.com