Carrot juice, because of its many healthy benefits, is commonly called the "magic juice". It has been found that adding carrot juice to people’s diets greatly improves their health. And its delicious taste makes it popular with all members of the family as a beverage(饮料).
Carrot juice is one of the richest sources of vitamin A that can be used in the daily diet. Lack of vitamin A can cause dryness and damage to the skin, nails and hair. Drinking carrot juice to increase the vitamin A in the diet is said to be good for many parts of the body, including the bones and teeth.
Drinking carrot juice is thought to be extremely helpful to the liver (肝脏), because vitamin A helps to clean the liver and reduce fat in it. And it is suggested that drinking carrot juice should be done regularly, rather than just from time to time.
Drinking carrot juice is also thought to improve the eyesight because of the vitamin A in the juice. Lack of vitamin A can lead to night blindness, which can be very dangerous, especially when the person is driving a car. An easy way to find out if you are lacking in vitamin A is to walk from a bright room into a dark room. Your eyes may have some trouble in getting used to the change of light if you are lacking in vitamin A.
How can you make carrot juice? Wash some carrots well in cold water. Scrape (刮) them lightly, but do not peel them, as this will take away valuable vitamins and minerals that lie close to the skin.Lack of vitamin A can lead to _____.
| A．broken bones | B．complete blindness |
| C．skin dryness | D．liver cancer |
According to the passage, carrot juice ______.
| A．does a lot of good to the teeth and other parts of the body |
| B．is popular because it is a magic cure for many diseases |
| C．can wash away the waste from the body |
| D．may be harmful to the body if it’s drunk too much |
We can learn from the fourth paragraph that _____.
| A．you will find it easy to get used to the change of light if you lack vitamin A |
| B．driving cars at night may lead to night blindness |
| C．walking from a bright room into a dark room may lead to night blindness |
| D．drinking carrot juice helps to protect your eyesight |
Which would be the best title for this passage?
| A．Tips on How to Make Carrot Juice |
| B．The Great Benefits of Carrot Juice |
| C．The Way to Keep Good Health |
| D．A Healthy Diet for Patients |
Many people think that listening is a passive business. It is just the opposite. Listening well is an active exercise of our attention and hard work. It is because they do not realize this, or because they are not willing to do the work, that most people do not listen well.
Listening well also requires total concentration upon someone else. An essential part of listening well is the rule known as ‘bracketing’. Bracketing includes the temporary giving up or setting aside of your own prejudices and desires, to experience as far as possible someone else’s world from the inside, stepping into his or her shoes. Moreover, since listening well involves bracketing, it also involves a temporary acceptance of the other person. Sensing this acceptance, the speaker will seem quite willing to open up the inner part of his or her mind to the listener. True communication is under way and the energy required for listening well is so great that it can be accomplished only by the will to extend oneself for mutual growth.
Most of the time we lack this energy. Even though we may feel in our business dealings or social relationships that we are listening well, what we are usually doing is listening selectively. Often we have a prepared list in mind and wonder, as we listen, how we can achieve certain desired results to get the conversation over as quickly as possible or redirected in ways more satisfactory to us. Many of us are far more interested in talking than in listening, or we simply refuse to listen to what we don’t want to hear.
It wasn’t until toward the end of my doctor career that I have found the knowledge that one is being truly listened to is frequently therapeutic(有疗效的) In about a quarter of the patients I saw, surprising improvement was shown during the first few months of psychotherapy(心理疗法), before any of the roots of problems had been uncovered or explained. There are several reasons for this phenomenon, but chief among them, I believe, was the patient’s sense that he or she was being truly listened to, often for the first time in years, and for some, perhaps for the first time ever.The phrase “stepping into his or her shoes” in paragraph 2 probably means _______.
| A．preparing a topic list first | B．focusing on one’s own mind |
| C．directing the talk to the desired results | D．experiencing the speaker’s inside world |
What is mainly discussed in Paragraph 2?
| A．How to listen well. | B．What to listen to. |
| C．Benefits of listening. | D．Problems in listening |
According to the author, in communication people tend to ________.
| A．listen actively | B．listen purposefully |
| C．set aside their prejudices | D．open up their inner mind |
According to the author, the patients improved mainly because _______.
| A．they were taken good care of. | B．they knew they were truly listened to. |
| C．they had partners to talk to. | D．they knew the roots of problems. |
What type of writing the article likely to be?
| A．Science fiction | B．A news report. | C．A medical report. | D．Popular science |
When international aid is given, steps must be taken to ensure (确保)that the aid reaches the people for whom it is intended. The way to achieve this may not be simple. It is very difficult for a nation to give help directly to people in another nation. The United Nations Organization (UNO) could undertake to direct the distribution of aid. Here however rises the problem of costs. Also tied with this is time. Perhaps the UNO could set up a body of devoted men and women in every country who can speedily distribute aid to victims of floods and earthquakes.
More than the help that one nation can give to another during a disaster; it would be more effective to give other forms of help during normal times. A common proverb says, “Give me a fish and I eat for day, teach me to fish and I eat for a lifetime.” If we follow this wise saying, it would be right to teach people from less developed nations to take care of themselves. For example, a country could share its technology with another. This could be in simple areas like agriculture or in more complex areas like medical and health care or even in building satellites. Even small country is able to help less developed nations. Sometimes what is take for granted, like the setting up of a water purification plant or the administration of a school, could be useful for countries which are looking about to solve common problems. It does not cost much to share such simple things. Exchange students could be attached for a number of months or years and learn the required craft while on the site. They can then take their knowledge back to their homelands and if necessary come back form time to time to clear doubts or to update themselves. Such aid will be truly helpful and there is no chance of it being temporary or of it falling into the wrong hands.
Many countries run extensive courses in all sorts of skills. It will not cost much to include deserving foreigners in these courses. Besides giving effective help to the countries concerned, there is also the build-up of friendships to consider. Giving direct help by giving materials may be effective in the short run and must continue to be given in the event of emergencies. However, in the long run what is really effective would be the sharing of knowledge.According to the author, how could international aid reach the victims in time?
| A． By solving the cost problems |
| B． By solving the transportation problems |
| C． By setting up a body of devoted people in every country. |
| D． By relying on the direct distribution of the UNO. |
What does the author try to express in the underlined sentence?
| A．Providing food is vital | B．Learning to fish is helpful |
| C．Teaching skills is essential | D．Looking after others is important. |
The second paragraph is developed mainly _________.
| A．by example | B．by process | C．by comparison | D．by contrast |
Which aid is likely to fall into the wrong hands?
| A．A medical team. | B．An exchange program. |
| C．A water plant. | D．Financial support. |
What can we infer about international aid from the passage?
| A．It is facing difficulties |
| B．It is unnecessary during normal times |
| C．It should be given in the form of materials |
| D．It has gained support developed countries |
The light from the campfire brightened the darkness, but it could not prevent the damp cold of Dennis’s Swamp (沼泽地) creeping into their bones. It was a strange place. Martin and Tom wished that they had not accepted Jack’s dare. They liked camping, but not near this swamp.
“So,” Martin asked as they sat watching the hot coals. “How did this place get its name?”
“Are you sure you want to hear it ? It’s a scary story,” warned Jack.
“Of course!” cried out Tom. “If there were anything to be scared of, you wouldn’t have chosen this place!”
“Ok, but don’t say I didn’t warn you,” said Jack, and he began this tale.
“Way back in time, a man called Dennis tried to start a farm here. He built that cottage over there to live in. In those days, the area looked quite different ---- it was covered with tall trees and the swamp was a crystal-clear river. After three hard years, Dennis had cleared several fields and planted crops. He was so proud of his success that he refused to listen to advice.
“‘You are clearing too much land,’ warned one old man. ‘ The land is a living thing. It will hit back at you if you abuse it. ’
“‘Silly fool,’ said Dennis to himself. ‘If I clear more land, I can grow more crops. I’ll become wealthier. He’s just jealous!’”
“Dennis continued to chop down trees. Small animals that relied on them for food and shelter were destroyed. He was so eager to expand his farm that he did not notice the river flowing slowly towards his door. He did not notice salt seeping to the surface of the land. He did not notice swamp plants choking all the native plants.”
“What happened?” Martin asked. It was growing colder. He trembled, twisting his body closer to the fire.
“The land hit back ---- just as the old man warned,” Jack shrugged. “Dennis disappeared. Old folks around here believe that swamp plants moved up from the river and dragged him underwater. His body was never found.”
“What a stupid story,” laughed Tom. “Plants can’t …” Before he had finished speaking, he screamed and fainted (晕倒). The other two boys jumped up with fright, staring at Tom. Suddenly, they burst out laughing. Some green swamp ivy (常春藤) had covered Tom’s face. It was a while before Tom could appreciate the joke.The underlined word “dare” in Paragraph 1 is closed in meaning to ________.
| A．courage | B．assistance | C．instruction | D．challenge |
Why did Jack tell Tom and Martin the story?
| A．To frighten them. |
| B．To satisfy their curiosity. |
| C．To warn them of the danger of the place. |
| D．To persuade them to camp in the swamp. |
Why did Dennis ignore the warning of the old man?
| A．The old man envied him. | B．The old man was foolish |
| C．He was too busy to listen to others. | D．He was greedy for more crops. |
Why did Tom scream and faint?
| A．He saw Dennis’s shadow | B．He was scared by a plant |
| C．His friends played a joke on him. | D．The weather became extremely cold. |
What lesson can we learn from the story of Dennis?
| A．Grasp all, lose all |
| B．No sweat, no sweet. |
| C．It is no use crying over spilt milk |
| D．He who makes no mistakes makes nothing. |
Mark Twain has been called the inventor of the American novel. And he surely deserves additional praise: the man who popularized the clever literary attack on racism.
I say clever because anti-slavery fiction had been the important part of the literature in the years before the Civil War. H. B. Stowe's Uncle Tom's Cabin is only the most famous example. These early stories dealt directly with slavery. With minor exceptions, Twain planted his attacks on slavery and prejudice into tales that were on the surface about something else entirely. He drew his readers into the argument by drawing them into the story.
Again and again, in the postwar years, Twain seemed forced to deal with the challenge of race. Consider the most controversial, at least today, of Twain's novels, Adventures of Huckleberry Finn. Only a few books have been kicked off the shelves as often as Huckleberry Finn, Twain's most widely read tale. Once upon a time, people hated the book because it struck them as rude. Twain himself wrote that those who banned the book considered the novel "trash and suitable only for the slums (贫民窟)." More recently the book has been attacked because of the character Jim, the escaped slave, and many occurences of the word nigger. (The term Nigger Jim, for which the novel is often severely criticized, never appears in it.)
But the attacks were and are silly-and miss the point. The novel is strongly anti-slavery. Jim's search through the slave states for the family from whom he has been forcibly parted is heroic. As J. Chadwick has pointed out, the character of Jim was a first in American fiction-a recognition that the slave had two personalities, "the voice of survival within a white slave culture and the voice of the individual: Jim, the father and the man."
There is much more. Twain's mystery novel Pudd'nhead Wilson stood as a challenge to the racial beliefs of even many of the liberals of his day. Written at a time when the accepted wisdom held Negroes to be inferior (低等的) to whites, especially in intelligence, Twain's tale centered in part around two babies switched at birth. A slave gave birth to her master's baby and, for fear that the child should be sold South, switched him for the master's baby by his wife. The slave's lightskinned child was taken to be white and grew up with both the attitudes and the education of the slave-holding class. The master's wife's baby was taken for black and grew up with the attitudes and intonations of the slave.
The point was difficult to miss: nurture (养育), not nature, was the key to social status. The features of the black man that provided the stuff of prejudice-manner of speech, for example- were, to Twain, indicative of nothing other than the conditioning that slavery forced on its victims.
Twain's racial tone was not perfect. One is left uneasy, for example, by the lengthy passage in his autobiography (自传) about how much he loved what were called "nigger shows" in his youth-mostly with white men performing in black-face-and his delight in getting his mother to laugh at them. Yet there is no reason to think Twain saw the shows as representing reality. His frequent attacks on slavery and prejudice suggest his keen awareness that they did not.
Was Twain a racist? Asking the question in the 21st century is as wise as asking the same of Lincoln. If we read the words and attitudes of the past through the "wisdom" of the considered moral judgments of the present, we will find nothing but error. Lincoln, who believed the black man the inferior of the white, fought and won a war to free him. And Twain, raised in a slave state, briefly a soldier, and inventor of Jim, may have done more to anger the nation over racial injustice and awaken its collective conscience than any other novelist in the past century.
| 1． |
How do Twain's novels on slavery differ from Stowe's?
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| 2． |
Recent criticism of Adventures of Huckleberry Finn arose partly from its.
|
| 3． |
What best proves Twain's anti-slavery stand according to the author?
|
| 4． |
The story of two babies switched mainly indicates that.
|
| 5． |
What does the underlined word "they" in Paragraph 7 refer to?
|
| 6． |
What does the author mainly argue for?
|
If a diver surfaces too quickly, he may suffer the bends. Nitrogen (氮) dissolved (溶解) in his blood is suddenly liberated by the reduction of pressure. The consequence, if the bubbles (气泡) accumulate in a joint, is sharp pain and a bent body—thus the name. If the bubbles form in his lungs or his brain, the consequence can be death.
Other air-breathing animals also suffer this decompression (减压) sickness if they surface too fast: whales, for example. And so, long ago, did ichthyosaurs. That these ancient sea animals got the bends can be seen from their bones. If bubbles of nitrogen form inside the bone they can cut off its blood supply. This kills the cells in the bone, and consequently weakens it, sometimes to the point of collapse. Fossil (化石) bones that have caved in on themselves are thus a sign that the animal once had the bends.
Bruce Rothschild of the University of Kansas knew all this when he began a study of ichthyosaur bones to find out how widespread the problem was in the past. What he particularly wanted to investigate was how ichthyosaurs adapted to the problem of decompression over the 150 million years. To this end, he and his colleagues traveled the world’s natural-history museums, looking at hundreds of ichthyosaurs from the Triassic period and from the later Jurassic and Cretaceous periods.
When he started, he assumed that signs of the bends would be rarer in younger fossils, reflecting their gradual evolution of measures to deal with decompression. Instead, he was astonished to discover the opposite. More than 15% of Jurassic and Cretaceous ichthyosaurs had suffered the bends before they died, but not a single Triassic specimen (标本) showed evidence of that sort of injury.
If ichthyosaurs did evolve an anti-decompression means, they clearly did so quickly—and, most strangely, they lost it afterwards. But that is not what Dr Rothschild thinks happened. He suspects it was evolution in other animals that caused the change.
Whales that suffer the bends often do so because they have surfaced to escape a predator (捕食动物) such as a large shark. One of the features of Jurassic oceans was an abundance of large sharks and crocodiles, both of which were fond of ichthyosaur lunches. Triassic oceans, by contrast, were mercifully shark- and crocodile-free. In the Triassic, then, ichthyosaurs were top of the food chain. In the Jurassic and Cretaceous, they were prey (猎物) as well as predator—and often had to make a speedy exit as a result.Which of the following is a typical symptom of the bends?
| A．A twisted body. |
| B．A gradual decrease in blood supply. |
| C．A sudden release of nitrogen in blood. |
| D．A drop in blood pressure. |
The purpose of Rothschild’s study is to see ______.
| A．how often ichthyosaurs caught the bends |
| B．how ichthyosaurs adapted to decompression |
| C．why ichthyosaurs bent their bodies |
| D．when ichthyosaurs broke their bones |
Rothschild’s finding stated in Paragraph 4 ______.
| A．confirmed his assumption | B．speeded up his research process |
| C．disagreed with his assumption | D．changed his research objectives |
Rothschild might have concluded that ichthyosaurs ______.
| A．failed to evolve an anti-decompression means |
| B．gradually developed measures against the bends |
| C．died out because of large sharks and crocodiles |
| D．evolved an anti-decompression means but soon lost it |