单选题One way to understand thousands of new words in gain ______ good knowledge of basic word formation．A．/B．theC．aD．one

单选题A: Look, it's going to storm. Take my umbrella.B: ______. A. How will you go home if you give it to me7 B. I have a raincoat in my office. Thanks anyway. C. I think you need to use it yourself. D. It doesn't matter. I will go without having your umbrella.

单选题You have to speak to her louder as her hearing is found to be slightly______.

单选题{{B}}Passage One{{/B}} The current emergency in Mexico City that has taken over our lives is nothing I could ever have imagined for me or my children. We are living in an environmental crisis, an air-pollution emergency of unprecedented severity. What it really means is that just to breathe here is to play a dangerous game with your health. As parents, what terrorizes us most are reports that children are at higher risk because they breathe more times per minute. What more can we do to protect them and ourselves? Our pediatrician's (儿科医师的) medical recommendation was simple: abandon the city permanently. We are foreigners and we are among the small minority that can afford to leave. We are here because of my husband's work. We are fascinated by Mexico—its history and rich culture. We know that for us, this is a temporary danger. However, we cannot stand for much longer the fear we feel for our boys. We cannot stop them from breathing. But for millions, there is no choice. Their lives, their jobs, their futures depend on being here. Thousands of Mexicans arrive each day in this city, desperate for economic opportunities. Thousands more are born here each day. Entire families work in the streets and practically live there. It is a familiar sight: as parents hawk goods at stoplights, their children play in the grassy highway dividers, breathing exhaust fumes. I feel guilty complaining about my personal situation; we won't be here long enough for our children to form the impression that skies are colored only gray. And yet the government cannot do what it must to end this problem. For any country, especially a developing Third World economy like Mexico's, the idea of barring from the capital city enough cars, closing enough factories and spending the necessary billions on public transportation is simply not an option. So when things get bad, as in the current emergency, Mexico takes half measures—prohibiting some more cars from circulating, stopping some factories from producing—that even its own officials concede aren't adequate. The word "emergency" implies the unusual. But when daily life itself is an emergency, the concept loses its meaning. It is human nature to try to adapt to that which we cannot change, or to mislead ourselves into believing we can adapt.

单选题There were 30 students and ______ of them passed the exam.A. everyB. every oneC. everyoneD. everybody

单选题Suddenly one of the leaves begins to fly in a strong wind; the leaf is really no leaf at all--it's an insect ______ as a leaf.

单选题More than a quarter of American children--and half of black children--belong to families too poor to fully qualify for the ＄1,000-a-year child tax credit, which President Bush signed four years ago and has cited in arguing that his program of sweeping tax cuts helps low-income families, a new study has found. With an annual value of $47 billion, the credit is the government's largest children's subsidy and one that has provoked sharp partisan fights. Many conservatives, viewing it solely as a tax cut, want to reserve the credit for families that owe federal income tax. Many liberals, vie-wing it as a broader children's allowance, want to extend it to poorer workers, who they say need it most. Still, the study found that the families of 19.5 million children were too poor to receive the full ＄1,000 benefit. About half get a partial benefit, and half get nothing. Newt Gingrich, the former Republican House speaker, expressed surprise at the racial gap. "That's a stunning number," he said, referring to the half of black children who fail to receive the full credit. "I'd find a way to make sure those kids get the money as part of a broader post-Hurricane Katrina plan." Framed as middle-class tax relief, the credit passed in 1997 and offered ＄500 per child to families that owed income tax. It was doubled in 2001 and made partly available to families too poor to have income tax bills. Len Burman, a co-director of the tax center and the study's author, said it might actually exaggerate the amount going to the poor since it assumed all eligible families received the credit. In practice, studies suggest that poor and minority families claim tax credits at lower rates. Told of the study, which will be published Monday, some conservatives repeated their opposition to making the credit more of an antipoverty program. Mr. Mitchell said that low-wage workers received a total of ＄39 billion a year from a similar program, the earned income tax credit. "It's not like they're not getting any redistribution from the government," he said. "We want less income redistribution, not more." Both sides in child tax credit debate have cast their arguments in moral terms. "The income gap is wide and growing," Ms. Snowe said. "We're talking about giving a helping hand to families who through no fault of their own are at or near poverty." Mr. Mitchell of the Heritage Foundation said income redistribution was morally problematic, since it punished people for economic success. He also called it economically inefficient, arguing that it discouraged work among both rich and poor.

单选题According to the passage, who has/have the legal responsibility to decide on euthanasia?

单选题As Texas begins to recover from two weeks of devastating storms, a generally hidden truth about its economy will come to light again. Most of the builders and electricians who will have to repair the houses, remake the roads and re-establish the electrical power lines will have to take on undocumented workers in order to meet their contracts. In 1996 the Immigration and Naturalisation Service (INS) conservatively estimated that Texas had over 600,000 undocumented immigrants doing the jobs no one else wants: hauling carcasses in packing plants, picking fruit, cleaning hotel rooms, or sorting out the unspeakable damage caused by natural disasters. Mention the issue of these workers to a Texan, and he is liable to fall uncharacteristically silent. Even state legislators avoid the issue. They know that many of their constituents employ undocumented workers. They also know that the booming Texas economy is driven in part by the ready supply of cheap, diligent, illegal labour. Dallas is one magnet for undocumented workers. The city's politicians oppose INS crackdowns fearing they will damage the local economy and bankrupt small companies. Houston is another. There a dawn drive past some of the city's 36 informal day-labour sites shows the size of the undocumented workforce. Young Mexicans wait on the pavement, ready to jump into the back of any pick-up truck that slows down to take them. Houston police estimate that over 150,000 labourers, about 85% of them undocumented, gather every day in search of a job. It is a testament to the vitality of the Texas economy that most of them get hired usually to mix cement and shift bricks. No questions are asked, no papers signed. Most workers do not even know their employer's name. They are paid in cash, around 40 dollars a day while the average American earns more than twice as much.

单选题d e pend

单选题Both of these types of people are usually ______ their character.

单选题It is often observed that the aged spend much time thinking and talking about their past lives, rather than about the future. These reminiscences are not simply random or trivial memories, 1 is their purpose merely to make conversation. The old person"s recollections of the past help to 2 an identity that is becoming increasingly fragile. 3 any role that brings respect or any goal that might provide 4 to the future, the individual mentions their 5 as a reminder to listeners, that here was a life 6 living. 7 , the memories form part of a continuing life 8 , in which the old person 9 the events and experiences of the years gone by and 10 on the overall meaning of his or her own almost completed life. As the life cycle 11 to its close, the aged must also learn to accept the reality of their own impending death. 12 this task is made difficult by the fact that death is almost a 13 subject in the United States. The mere discussion of death is often regarded as 14 As adults, many of us find the topic frightening and are 15 to think about it and certainly not to talk about it 16 the presence of someone who is dying. Death has achieved this taboo 17 only in the modern industrial societies. There seems to be an important reason for our reluctance to 18 the idea of death. It is the very fact that death remains 19 our control; it is almost the only one of the natural processes 20 is so.

单选题A study by scientists in Finland has found that mobile phone radiation can cause changes in human cells that might affect the brain, the leader of the research team said. But Darius Leszczynski, who headed the 2-year study and will present findings next week at a conference in Quebec, said more research was needed to determine the seriousness of the changes and their impact on the brain or the body. The study at Finland's Radiation and Nuclear Safety Authority found that exposure to radiation from mobile phones can cause increased activity in hundreds of proteins in human cells grown in a laboratory, he said. "We know that there is some biological response. We can detect it, with our very sensitive approaches, but we do not know whether it can have any physiological effects on the human brain or human body," Leszczynski said. Nonetheless the study, the initial findings of which were published last month in the scientific journal Differentiation, raises new questions about whether mobile phone radiation can weaker/the brain's protective shield against harmful substances. The study focused on changes in cells that line blood vessels and on whether such changes could weaken the functioning of the blood-brain barrier, which prevents potentially harmful substances from entering the brain from the bloodstream, Leszczynski said. The study found that a protein called hsp27 linked to the functioning of the bloodbrain barrier showed increased activity due to irradiation and pointed to a possibility that such activity could make the shield more permeable, he said. "Increased protein activity might cause cells to shrink--not the blood vessels but the cells themselves—and then tiny gaps could appear between those cells through which some molecules could pass." he said. Leszczynski declined to speculate on what kind of health risks that could pose, but said a French study indicated that headache, fatigue and sleep disorders could result. "These are not life-threatening problems but can cause a lot of discomfort," he said, adding that a Swedish group had also suggested a possible link with Alzheimer's disease. "Where the truth is I do not know," he said. Leszczynski said that he, his wife and children use mobile phones, and he said that he did not think his study suggested any need for new restrictions on mobile phone use.

单选题Animals have different ways of protecting themselves against wintertime weather. Some animals grow heavy coats of fur or feathers, while others dig into the ground to find a warm wintertime home. Some animals spend the winter in a deep sleep because by going to sleep they avoid the time of the year when food is scarce and the temperatures are low. Their sleep is known as hibernation. There is much about hibernation that puzzles scientists. For example, they are wondering how hibernation came into being. Some scientists have explored the possibility that animals release a chemical that starts them hibernating. One thing that scientists are certain about is that animals hibernate only when it is cold. Hibernation is a seasonal practice. Some animals that fall into a wintertime sleep are not true hibernators because they spend only a part of the cold season asleep. Bears, for example, can easily be awakened from their winter nap. They are not true hibernators. Sometimes it is difficult to determine whether a particular animal is a true hibernator. For example, some mice hibernate, but others do not. The same is true of bats. Some of them hibernate. Others do not.

单选题The liberal view of democratic citizenship that developed in the 17th and 18th centuries was fundamentally different from that of the classical Greeks. The pursuit of private interests with as little interference as possible from government was seen as the road to human happiness and progress rather than the public obligations and involvement in the collective community that were emphasized by the Greeks. Freedom was to be realized by limiting the scope of governmental activity and political obligation and not through immersion in the collective life of the polis. The basic role of the citizen was to select governmental leaders and keep the powers and scope of public authority in check. On the liberal view, the. rights of citizens against the state were the focus of special emphasis. Over time, the liberal democratic notion of citizenship developed in two directions. First, there was a movement to increase the proportion of members of society who were eligible to participate as citizens--especially through extending the right of suffrage--and to ensure the basic political equality of all. Second, there was a broadening of the legitimate activities of government and a use of governmental power to redress imbalances in social and economic life. Political citizenship became an instrument through which groups and classes with sufficient numbers of votes could use the state power to enhance their social and economic well-being. Within the general liberal view of democratic citizenship, tensions have developed over the degree to which government can and should be used as an instrument for promoting happiness and well-being. Political philosopher Martin Diamond has categorized two views of democracy as follows. On the one hand, there is the "libertarian" perspective that stresses the private pursuit of happiness and emphasizes the necessity for restraint on government and protection of individual liberties. On the other hand, there is the "majoritarian" view that emphasizes the "task of the government to uplift and aid the common man against the malefactors of great wealth." The tensions between these two views are very evident today. Taxpayer revolts and calls for smaller government and less government regulation clash with demands for greater government involvement in the economic marketplace and the social sphere.

单选题{{B}}Passage One{{/B}} With the possible exception of equal rights, perhaps the most controversial issue across the United States today is the death penalty. Many argue that it is an effective deterrent (威慑) to murder, while others maintain there is no convincing evidence that the death penalty reduces the number of murders. The principal argument advanced by those opposed to the death penalty, basically, is that it is cruel and inhuman punishment, that it is the mark of a brutal society, and finally that it is of questionable effectiveness as a deterrent to crime anyway. In our opinion, the death penalty is a necessary evil. Throughout recorded history there have always been those extreme individuals in every society who were capable of terribly violent crimes such as murder. But some are more extreme than others. For example, it is one thing to take the life of another in a fit of blind rage, but quite another to coldly plot and carry out the murder of one or more people in the style of a butcher. Thus, murder, like all other crimes, is a matter of relative degree. While it could be argued with some conviction that the criminal in the first instance should be merely isolated from society, such should not be the fate of the latter type murderer. The value of the death penalty as a deterrent to crime may be open to debate. But the overwhelming majority of citizens believe that the death penalty protects them. Their belief is reinforced by evidence which shows that the death penalty deters murder. For example, from 1954 to 1963, when the death penalty was consistently imposed in California, the murder rate remained between three and four murders for each 100 000 population. Since 1964 the death penalty has been imposed only once, and the murder rate has risen to 10.4 murders for each 100 000 population. The sharp climb in the state's murder rate, which began when executions stopped, is no coincidence (巧合). It is convincing evidence that the death penalty does deter many murderers. If the bill reestablishing the death penalty is vetoed (否决), innocent people will be murdered—some whose lives may have been saved if the death penalty were in effect. This is literally a life or death matter. The lives of thousands of innocent people must be protected.

单选题The doctors don't______that he will live much longer.

单选题 Music comes in many forms; most countries have a style of their own. {{U}}(1) {{/U}} the turn of the century when jazz was born, America had no prominent {{U}}(2) {{/U}} of its own. No one knows exactly when jazz was {{U}}(3) {{/U}},or by whom. But it began to be {{U}}(4) {{/U}} in the early 1900s. Jazz is America's contribution to {{U}}(5) {{/U}} music. In contrast to classical music, which {{U}}(6) {{/U}} formal European traditions, jazz is spontaneous and free-form. It bubbles with energy, {{U}}(7) {{/U}} the moods, interests, and emotions of the people. In the 1920, jazz {{U}}(8) {{/U}} like America. And {{U}}(9) {{/U}} it does today. The {{U}}(10) {{/U}} of this music are as interesting as the music {{U}}(11) {{/U}}. American Negroes, or blacks, as they are called today, were the jazz {{U}}(12) {{/U}}. They were brought to the Southern states {{U}}(13) {{/U}} slaves. They were sold to plantation owners and forced to work long {{U}}(14) {{/U}}. When a Negro died his friends and relatives {{U}}(15) {{/U}} a procession to carry the body to the cemetery. In New Orleans, a band often accompanies the {{U}}(16) {{/U}}. On the way to the cemetery the band played slow, solemn music suited to the occasion. {{U}}(17) {{/U}} on the way home the mood changed. Spirits lifted. Death had removed one of their {{U}}(18) {{/U}}, but the living were glad to be alive. The band played {{U}}(19) {{/U}} music, improvising on both the harmony and the melody of the tunes {{U}}(20) {{/U}} at the funeral. This music made everyone want to dance. It was an early form of jazz.

单选题Woman: Well, the income tax is too high for me this month. Man: If it were not reasonable, I"m afraid some people would try to get round the tax. Question: What does the man mean?