题目列表(包括答案和解析)
C
When we can see well, we do not think about our eyes often.It is only when we can not see perfectly that we come to see how important our eyes are.
People who are nearsighted can only see things that are very close to their eyes.Many people who do a lot of close work, such as writing and reading, become nearsighted.Then they have to wear glasses in order to see distant things clearly.
People who are farsighted face just the opposite problem.They can see things that are far away, but they have difficulty reading a book unless they hold it at arm’s length.If they want to do much reading, they must get glasses too.
Other people do not see clearly because their eyes are not exactly the right shape.This, too, can be corrected by glasses.Some people’s eyes become cloudy because of cataracts.Long ago these people often became blind.Now, however, it is possible to operate on the cataracts and remove them.
When night falls, colors become fainter to the eyes and finally disappear.After your eyes have grown used to the dark, you can see better if you use the side of your eyes rather than the centers.Sometimes, after dark, you see a small thing to one side of you, which seems to disappear if you turn your head in its direction.This is because when you turn your head, you are looking at the thing too directly.Men on guard duty sometimes think they see something moving to one side of them.When they turn to look straight at it, they can not see it any more, and they believe they were mistaken.However, this mistake happens because the center of the eye, which is very sensitive in daylight, is not as sensitive as the sides of the eye after dark.
64.We don’t know that our eyes are of great importance until ________.
A.we think about our eyes B.we cannot see clearly
C.we wear glasses D.we have to do much reading
65.According to the passage, a ________ is more likely to be nearsighted.
A.student B.doctor C.guard D.painter
66.People who are farsighted ________ .
A.can do a lot of close work without glasses
B.can only see things that are very close to their eyes
C.have difficulty reading a book if they hold it at arm’s length
D.can correct their eyes by glasses
67.To see a small thing at night, it is better to look ________ .
A.with wide open eyes B.with half shut or narrowed eyes
C.straight at it D.in a slightly different direction
When the great library of Alexandria burned, the story goes, one book was saved. But it was not a valuable book; and so a poor man, who could read a little, bought it for a few coppers(铜钱).The book wasn’t very interesting, but between its pages there was something very interesting indeed. It was a thin strip(条)of vellum(牛皮纸)on which was written the secret of the “Touchstone”!
The touchstone was a small pebble(小园石)that could turn any common metal into pure gold. The writing explained that it was lying among thousands and thousands of other pebbles that looked exactly like it. But the secret was this: The real stone would feel warm, while ordinary pebbles are cold.
So the man sold his few belongings, bought some simple supplies, camped on the seashore, and began testing pebbles. He knew that if he picked up ordinary pebbles and threw them down again because they were cold, he might pick up the same pebble hundreds of times. So, when he felt one that was cold, he threw it into the sea. He spent a whole day doing this but none of them was the touchstone. Yet he went on and on this way. Pick up a pebble. Cold-throw it into the sea. Pick up another. Throw it into the sea.
The days stretched into weeks and the weeks into months. One day, however, about mid-afternoon, he picked up a pebble and it was warm. He threw it into the sea before he realized what he had done. He had formed such a strong habit of throwing each pebble into the sea that when the one he wanted came along, he still threw it away.
So it is with opportunity. Unless we are vigilant(警惕的), it’s easy to fail to recognize an opportunity when it is in hand and it’s just as easy to throw it away.
The book was special to the man because ______.
A. it was made of vellum
B. it was the only book that survived the great fire
C. it was a story about how to tell the touchstone from ordinary stones
D. it included the secret of the touchstone
He threw pebbles into the sea ______.
A. to test how far he could throw
B. to practice throwing pebbles
C. to avoid picking up the same pebble once again
D. to express his disappointment at failing to find the touchstone
What message does the story want to convey?
A. Careful habits can lead to success.
B. Habits can benefit you but also hold you back.
C. Never judge a person or a thing by appearances.
D. Opportunity only visits the ready and watchful mind
A university graduate described as a “respectable and intelligent” woman is seeking professional help after being convicted of (证明有……罪)shoplifting for the second time in six months.
Ana Luz, recently studying for her PhD, has been told she could end up behind bars unless she can control the desire to steal from shops.
Luz ,who lives with her partner in Fitzwilliam Road ,Cambridge ,admitted stealing clothes worth £9.95 from John Lewis in Oxford Street ,London ,on March 9.
Phillip Lemoyne ,prosecuting(起诉),said Luz selected some clothes from a display and took them to the ladies’ toilet in the store.When she came out again she was wearing one of the skirts she had selected ,having taken off the anti-theft security alarms(防盗警报装置).
She was stopped and caught after leaving the store without paying ,Mr Lemoyne said.
He added that she was upset on her arrest and apologized for her actions.
Luz,28, was said to have been convicted of shoplifting by Cambridge judges last October ,but Morag Duff, defending ,said she had never been in trouble with the police before that.
“She is ashamed and embarrassed but doesn’t really have any explanation why she did this ,” Miss Duff said.“She didn’t intend to steal when she went into the store.She is at a loss to explain it.She is otherwise a very respectable and intelligent young lady.She went to her doctor and asked for advice because she wants to know if there is anything in particular that caused her to do this.”
Judge David Azan fined Luz £ 50, and warned : “You’ve got a criminal record.If you carry on like this ,you will end up in prison ,which will ruin your bright future you may have.”
Luz achieved a degree in design at university in her native Spain ,went on to a famous university in Berlin , Germany for her master’s degree and is now studying for a PhD at Cambridge University ,UK.
What is Ana Luz’s nationality?
A.American. B.British. C.Spanish. D.German.
What does the underlined sentence “She is at a loss to explain it” mean?
A.In her opinion it was a loss to the clothes shops where she stole things.
B.She doesn’t have any idea why she has the desire to steal from shops.
C.She thinks it is a loss for her to explain why she stole things from shops.
D.Personally she feels ashamed and embarrassed for her shoplifting actions.
Which of the following best explains the meaning of the word “shoplifting” used in the passage?
A.Carrying goods in a lift for a shop.
B.Taking goods to the ladies’ toilet.
C.Selecting some goods from a display.
D.Taking goods from a shop without paying.
From the passage we can learn that .
A.Ana Luz is already got her PhD at Cambridge University ,UK
B.Ana Luz is ashamed and embarrassed and knows why she often did so
C.the university graduate will be put in prison if she steals in shops once more
D.Phillip Lemoyne is the “respectable and intelligent” woman’s defense lawyer
Unless we spend money spotting and preventing asteroids(小行星) now, one might crash into Early and destroy life as we know it, say some scientists.
Asteroids are bigger versions of the meteoroids(流星) that race across the night sky. Most orbit the sun far from Earth and don’t threaten us. But there are also thousands of asteroids whose orbits put them on a collision course with Earth.
Buy $50 million worth of new telescopes right now. Then spend $10 million a year for the next 25 years to locate most of the space rocks. By the time we spot a fatal one, the scientists say, we’ll have a way to change its course.
Some scientists favor pushing asteroids off course with nuclear weapons. But the cost wouldn’t be cheap. Is is worth it? Two things experts consider when judging any risk are: (1)How likely the event is; and (2) How bad the consequences if the event occurs. Experts think an asteroid big enough to destroy lots of life might strike Earth once every 500 000 years. Sounds pretty rare-but if one did fall, it would be the end of the world. “If we don’t take care of these asteroids, they’ll take care of us,”says one scientist. “It’s that simple.”
The cure, though, might be worse than the disease. Do we really want fleets of nuclear weapons sitting around on Earth? “The world has less to fear from doomsday(世界末日) rocks than from a great nuclear fleet set against it,” said a New York Times article.
9.What does the passage say about asteroids and meteoroids?
A.They are heavenly bodies different in composition.
B.They are heavenly bodies similar in nature.
C.There are more asteroids than meteoroids.
D.Asteroids are more mysterious than meteoroids.
10.What do scientists say about the collision of an asteroid with Earth?
A.It is very unlikely but the danger exists.
B.Such a collision might occur once every 25 years.
C.Coilisions of smaller asteroids with Earth occur more often than expected.
D.lt’s still too early to say whether such a collision might occur.
11.What do people think of the suggestion of using nuclear weapons to alter the course of asteroids?
A.It sounds practical but it may not solve the problem.
B.It may create more problems than it might slove.
C.It is a waste of money because a collision of asteroids with Earth is very unlikely.
D.Further research should be done before it is proved applicable.
12.We can conclude from the passage that .
A.while pushing asteroids off course nuclear weapons would destroy the world
B.asteroids racing across the night sky are likely to hit Earth in the near future
C.the worry about asteroids can be left to future generations since it is unlike to happen in our lifetime.
D.workable solutions still have to be found to prevent a collision of asteroids with Earth
When the great library of Alexandria burned, the story goes, one book was saved. But it was not a valuable book; and so a poor man, who could read a little, bought it for a few coppers(铜钱).The book wasn’t very interesting, but between its pages there was something very interesting indeed. It was a thin strip(条)of vellum(牛皮纸)on which was written the secret of the “Touchstone”!
The touchstone was a small pebble(小园石)that could turn any common metal into pure gold. The writing explained that it was lying among thousands and thousands of other pebbles that looked exactly like it. But the secret was this: The real stone would feel warm, while ordinary pebbles are cold.
So the man sold his few belongings, bought some simple supplies, camped on the seashore, and began testing pebbles. He knew that if he picked up ordinary pebbles and threw them down again because they were cold, he might pick up the same pebble hundreds of times. So, when he felt one that was cold, he threw it into the sea. He spent a whole day doing this but none of them was the touchstone. Yet he went on and on this way. Pick up a pebble. Cold-throw it into the sea. Pick up another. Throw it into the sea.
The days stretched into weeks and the weeks into months. One day, however, about mid-afternoon, he picked up a pebble and it was warm. He threw it into the sea before he realized what he had done. He had formed such a strong habit of throwing each pebble into the sea that when the one he wanted came along, he still threw it away.
So it is with opportunity. Unless we are vigilant(警惕的), it’s easy to fail to recognize an opportunity when it is in hand and it’s just as easy to throw it away.
The book was special to the man because ______.
A. it was made of vellum
B. it was the only book that survived the great fire
C. it was a story about how to tell the touchstone from ordinary stones
D. it included the secret of the touchstone
He threw pebbles into the sea ______.
A. to test how far he could throw
B. to practice throwing pebbles
C. to avoid picking up the same pebble once again
D. to express his disappointment at failing to find the touchstone
What message does the story want to convey?
A. Careful habits can lead to success.
B. Habits can benefit you but also hold you back.
C. Never judge a person or a thing by appearances.
D. Opportunity only visits the ready and watchful mind
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