单选题Whether the eyes are "the windows of the soul" is debatable, that they are intensely important in interpersonal communication is a fact. During the first two months of a baby's life, the stimulus that produces a smile is a pair of eyes. The eyes need not be real: a mask with two dots will produce a smile. Significantly, a real human face with eyes covered will not motivate a smile, nor will the sight of only one eye when the face is presented in profile. This attraction to eyes as opposed to the nose or mouth continues as the baby matures. In one study, when American four-year-olds were asked to draw people, 75 percent of them drew people with mouths, but 99 percent of them drew people with eyes. In Japan, however, where babies are carried on their mothers' back, infants do not acquire as much attachment to eyes as they do in other cultures. As a result, Japanese adults make little use of the face either to encode or decode meaning. In fact, Argyle reveals that the "proper place to focus one's gaze duringa conversation in Japan is on the neck of one's conversation partner. " The role of eye contact in a conversational exchange between two Americans is well defined, speakers make contact with the eyes of their listener for about one second, then glance away as they talk; in a few moments they re-establish eye contact with the listener to reassure themselves that their audience is still attentive, then shift their gaze away once more. Listeners, meanwhile, keep their eyes on the face of the speaker, allowing themselves to glance away only briefly. It is important that they be looking at the speaker at the precise moment when the speaker re-establishes eye contact, if they are not looking, the speaker assumes that they are disinterested and either will pause until eye contact is resumed or will terminate the conversation. Just how critical this eye maneuvering is to the maintenance of conversational flow becomes evident when two speakers are wearing dark glasses, there may be a sort of traffic jam of words caused by interruption, false starts, and unpredictable pauses.

单选题We understand from the passage that the United States ______.

单选题{{B}}Passage 12{{/B}} One of the many oddities of migration policy is that immigrants coming in to work permanently are usually a minority of those who arrive legally. Most {{U}}(1) {{/U}} countries admit migrants mainly on grounds that have {{U}}(2) {{/U}} to do with work. They also admit two large groups on grounds that have nothing to do with their skills or education, {{U}}(3) {{/U}} these characteristics may determine {{U}}(4) {{/U}} rapidly they integrate. Almost everywhere, the biggest group {{U}}(5) {{/U}} relatives of those who have already {{U}}(6) {{/U}}. In the United States they {{U}}(7) {{/U}} three-quarters of all legal {{U}}(8) {{/U}} migrants. America even gives a few visas to {{U}}(9) {{/U}} adult siblings. In parts of Burope, family reunification has become family formation,{{U}} (10) {{/U}} sometimes delays integration: for instance, it allows third-generation Pakistanis to seek spouses {{U}}(11) {{/U}} their cousins back in rural areas. The policy also {{U}}(12) {{/U}} the characteristics of earlier arrivals. {{U}}(13) {{/U}} migrants are likely to have less educated relatives than are skilled migrants. In Europe, and especially northern Europe, the other main route of legal entry is to claim asylum. The {{U}}(14) {{/U}} of claims has fallen by half since the early 1990s, partly because peace {{U}}(15) {{/U}} to former Yugoslavia, and partly because of tougher rules, {{U}}(16) {{/U}} still seems to be higher than in the United States. America {{U}}(17) {{/U}} the numbers sharply after the first attack on the World Trade Centre in 1993, mainly by refusing {{U}}(18) {{/U}} asylum-seekers to work or draw any welfare benefits for the first six months of their stay, and by {{U}}(19) {{/U}} the claims process. Many European countries {{U}}(20) {{/U}} that way.

单选题It was only a ______ escape from death for him in these miseries. A. close B. short C. narrow D. fine

单选题 Even plants can run a fever, especially when they're under attack by insects or disease. But unlike humans, plants can have their temperature taken from 3,000 feet away- straight up. A decade ago, adapting the infrared scanning technology developed for military purposes and other satellites, physicist Stephen Paley came up with a quick way to take the temperature of crops to determine which ones are under stress. The goal was to let farmers precisely target pesticide(杀虫剂)spraying rather than rain poison on a whole field, which invariably includes plants that don't have pest (害虫) problems. Even better, Paley's Remote Scanning Services Company could detect crop problems before they became visible to the eye. Mounted on a plane flown at 3,000 feet at night, an infrared scanner measured the heat emitted by crops. The data were transformed into a color-coded map showing where plants were running "fevers". Farmers could then spot-spray, using 40 to 70 percent less pesticide than they otherwise would. The bad news is that Paley's company closed down in 1984, after only three years. Farmers resisted the new technology and long-term backers were hard to find. But with the renewed concern about pesticides on produce, and refinements in infrared scanning, Paley hopes to get back into operation. Agriculture experts have no doubt the technology works. "This technique can be used on 75 percent of agricultural land in the United States." says George Oerther of Texas A&M. Ray Jackson, who recently retired from the Department of Agriculture, thinks remote infrared crop scanning could be adopted by the end of the decade. But only if Paley finds the financial backing which he failed to obtain 10 years ago.

单选题He bought his house on the ______ plan, paying a certain amount of money each month. A. division B. premium C. installment D. investment

单选题Questions 11-15 are based on the following passage: When you are near a lake or a river, you feel cool. Why? The sun makes the earth hot, but it can't make the water very hot. Although the air over the earth becomes hot, the air over the water stays cool. The hot air over the earth rises. Then the cool air over the water moves in and takes the place of the hot air. Then you feel the cool air and the wind, which makes you cool. Of course, scientists can't answer all of your questions. If we ask, "Why is the ocean full of salt?" scientists will say that the salt comes from rocks. When a rock gets very hot or very cold, it cracks. Rain falls into the cracks. The rain then carries the salt into the earth and into the rivers. The rivers carry the salt into the ocean. But then we ask, "What happens to the salt in the ocean? The ocean doesn't get more slat every year." Scientists are not sure about the answer to this question. We know a lot about our world. But there are still many answers that we do not have, and we are curious.

单选题Realizing that he hadn't enough money and ______ to borrow from his father, he decided to sell his watch. A. not wanted B. not to want C. wanting not D. not wanting

单选题The word "officials" (Line 2, Par

单选题{{B}}26-30{{/B}} While still in its early stages, welfare reform has already been judged a great success in many states, at least in getting people off welfare. It's estimated that more than 2 million people have left the rolls since 1994. In the past four years, welfare rolls in Athens County have been cut in half. But 70 percent of the people who left in the past two years took jobs that paid less than $6 an hour. The result: The Athens County poverty rate still remains at more than 30 percent--twice the national average. For advocates (代言人) for the poor, that's an indication much more needs to be done. "More people are getting jobs, but it's not making their lives any better," says Kathy Lairn, a policy analyst at the Center on Budget and Policy Priorities in Washington. A center analysis of U.S. Census data nationwide found that between 1995 and 1996, a greater percentage of single, female-headed households were earning money on their own, but that average income for these households actually went down. But for many, the fact that poor people are able to support themselves almost as well without government aid as they did with it is in itself a huge victory. "Welfare was a poison. It was a toxin (毒素)that was poisoning the family," says Robert Rector, a welfare-reform policy analyst. "The reform is changing the moral climate in low-income communities. It's beginning to rebuild the work ethic (道德观), which is much more important." Mr. Rector and others argued that once "the habit of dependency is cracked", then the country can make other policy changes aimed at improving living standards.

单选题Science is an enterprise concerned with gaining information about causality, or the relationship between cause and effect. A simple example of a cause is the movement of a paddle as it strikes a ping-pong ball; the effect is the movement of the ball through the air. In psychology and other sciences, the word "cause" is often replaced by the term "independent variable". This term implies that the experimenter is often "free" to vary the independent variable as he or she desires (for example, the experimenter can control the speed of the paddle as it strikes the ball). The term "dependent variable" replaces the word "effect", and this term is used because the effect depends on some characteristic of the independent variable (the flight of the ball depends on the speed of the paddle). The conventions of science demand that both the independent and dependent variables be observable events, as is the case in the ping-pong example. In the case of biorhythm theory, the independent variable is the number of days that have elapsed between a person's date of birth and some test day. The dependent variable is the person's level of performance on some specified task on the test day. Notice that although the experimenter is not free to choose a birthday for a given individual, persons with different dates of birth can be tested on the same day, or a single subject can be tested on several different days. In order to predict the relationship between independent and dependent variables, many scientific theories make use of what are called intervening variables. Intervening variables are purely theoretical concepts that cannot be observed directly. To predict the flight of a ping-pong ball, Newtonian physics relies on a number of intervening variables, including force, mass, air resistance, and gravity. You can probably anticipate that the intervening variables of biorhythm theory are the three bodily cycles with their specified time periods. It should be emphasized that not all psychological theories include intervening variables, and some psychologists object to their use precisely because they are not directly observable. The final major component of a scientific theory is its syntax, or the rules and definitions that state how the independent and dependent variables are to be measured, and that specify the relationships among independent variables, intervening variables, and dependent variables. It is the syntax of biorhythm theory that describes how to use a person's birthday to calculate the current status of the three cycles. The syntax also relates the cycles to the dependent variable, performance, by stating that positive cycles should cause high levels of performance whereas low or critical cycles should cause low performance levels. To summarize, the components of a scientific theory can be divided into four major categories: independent variables, dependent variables, intervening variables, and syntax.

单选题They are going to have the serviceman ______ an electric fan in the office tomorrow.

单选题Every autumn the bears can be seen ______ around this town of about 800 people.

单选题Guest: Oh ,it's ten o'clock I'd better go now. Host:______.

单选题The beat generation mainly referred to the youth who were born and brought up around the Second World War. They showed their disdain (蔑视，轻视) for almost everything traditional, such as government authority, respect for parents, one's duty, moral standards, and traditional customs. They developed a kind of absolute individualism and liberty. They preferred long hair, mini dresses or close fitting clothes to show off the figure. They advocated freedom of sex and cohabitation (同居). Their influence could be seen from the fact that about one third of the American couples living together were not married by law. And the divorce rate was very high. The endless US wars abroad and sharp class straggle at home caused many American youths to develop a kind of cynicism. They doubted the existing social system, possibility of harmonious (和谐的) human relations, and the long honored standard for correct behavior. They felt society overlooked their needs. Therefore, they refused to do any duty that was required of them by society. They declared "Don't believe anyone over thirty." All this came from the sick society. It's wrong to imagine they all fought against capitalism in support of revolutionary things. Some of their ideas were even more decadent (颓废的) and impractical. It was an abnormal phenomenon in an abnormal society.

单选题Mr. Wright was the ______ president of Ace Construction Company.

单选题Some drugs taken in large quantities can cause permanent brain damage.

单选题It was president of the union ______ the students elected him. A. who B. whom C. which D. what