单选题There seems never to have been a civilization without toys, but when and how they developed is unknown. They probably came about just to five children something to do. In the ancient world, as is today, most boys played with some kinds of toys and most girls with another. In societies where social roles are rigidly determined, boys pattern their play after the activities of their fathers and girls after the tasks of their mothers. This is true because boys and girls are being prepared, even in play, to step into the roles and responsibilities of the adult world. What is remarkable about the history of toys is not so much how they changed over the centuries but how much they have remained the same. The changes have been mostly in terms of craftsmanship, mechanics, and technology. It is the universality of toys with regard to their development in all part of the world and their persistence to the present that is amazing. In Egypt, the Americas, China, Japan and among the Arctic peoples, generally the same kinds of toys appeared. Variations depended on local customs and ways of life because toys imitate their surroundings. Nearly every civilization had dolls, little weapons, toy soldiers, tiny animals and vehicles. Because toys can be generally regarded as a kind of art form, they have not been subject to technological leaps that characterize inventions for adult use. The progress from the wheel to the oxcart to the automobile is a direct line of ascent. The progress from a rattle used by a baby in 3000 BC to one used by an infant today, however, is not characterized by inventiveness. Each rattle is the product of the artistic tastes of the times and subject to the limitations of available materials.

单选题He is holding a ______ position in the company and expects to be promoted soon. [A] subordinate [B] succeeding [C] successive [D] subsequent

单选题Cirque du Soleil (say it: Serk du So-lay) is being accused of out-dated thinking about the dangers of AIDS. It is a modem acrobatic circus from Canada that tours in the United States and other countries. Last April, the company fired Matthew Cusick because he was HIV positive. This was after he spent four months learning his part in an act. A spokesman for the circus said Cusick was fired for safety reasons. They said he was a danger to others. He disagreed. Hundreds of people picketed a show in San Francisco. They said that firing him was not legal. Cusick says the company knew he was HIV positive when they hired him. It was not fair to let him put so much time into learning his act, and then fire him before he performed. He says he is not a danger to others. People can only get AIDS if infected blood contacts another person's blood, or open wound. The company says what their acrobats do is very, very dangerous. They perform tricks without nets. Someone might fall and get hurt, It could be bloody. They say it is too risky to let a person with HIV take part in an act. People who run the circus say it hurts to be accused of discrimination. Matthew Cusick says he feels hurt that he can't perform in the big blue and yellow tent. Dozens of artists, actors, writers and entertainers got involved in protesting the firing of Matthew Cusick. Some names you might know are: the Actors' Equity Union (45,000 members), Rosie O'Donnell, Rod McKuen, and Chad Allen. They also protested at a showing in Orange County. They said "HIV discrimination is unacceptable./

单选题Bilingual education in New York City was originally viewed as a transitional program that would teach foreign-born children in their native languages until they were fluent enough in English to enter the educational mainstream. But over the last 25 years, bilingual programs at many schools have become foreign-language ghettos from which many children never escape. The need to expose foreign-born students to more English during the school day--and to move them as quickly as possible into the mainstream-was underscored this week in a pair of reports, one from Mayor Rudolph Giuliani's task force on bilingual education and one form Schools Chancellor Harold Levy. The push to reform bilingual education has intensified across the country since the Silicon Valley millionaire Ron k. Unz championed a ballot initiative that ended bilingual education in California two years ago. Opponents of bilingual education want it replaced with the so-called immersion method, in which students are forced to "sink or swim" in classes taught entirely in English. Immersion has at least a chance of success in the early grades, where children are mainly being taught to read and write. But it is a recipe for failure in the upper grades, where older foreign-born students must simultaneously learn English and master complex subjects like math, science and literature. Mayor Giuliani and Schools Chancellor Levy have wisely called for reforming special education instead of dismantling it. Both reports want to end the practice of dragooning children into the system, and call on administrators to offer parents a range of choices. Instead of automatically assigning students to bilingual classes— where they take subjects like mathematics and social studies in their native languages—parents would be allowed to choose other options, including the strategy of English as a second language, in which most instruction is offered in English. Children would be moved into the mainstream as quickly as possible, preferably within three years. But these sensible reforms have little chance of succeeding unless the city and the state act quickly to train and recruit teachers who can perform the needed task. Nearly 30 percent of bilingual instructors are uncertified. Some have not even mastered the languages they have been hired to teach. True reform will require dollars, determination and a qualified teacher in every classroom.

单选题C++ is used with proper____design techniques. A．object-oriented B．object-based C．face to object D．face to target

单选题No sooner ______ from the airport than we were starting to land.

单选题There ______ no buses, we had no choice but ______ at a small hotel for the night.A. were, to stayB. being, to stayC. being, stayD. were, stay

单选题The house ______ green. A) should paint B) should be painted C) must paint D) ought to paint

单选题A controversial decision on whether choice cuts of steak and cartons of milk produced from cloned animals are suitable for the dinner table is now long overdue. Hundreds of pigs, cows and other animals created with the help of cloning are living 1 farms across the United States and 2 the forthcoming ruling will directly 3 American consumers, British holidaymakers may also 4 themselves at the forefront of a food revolution that many commentators expect will 5 arrive here. 6 the birth of Dolly the sheep-the first mammal cloned from an adult cell--there were extreme predictions of herds of genetically 7 bulls and pastures 8 with cloned dairy cows. That double 9 of the past decade has not yet been realized 10 clones have become a familiar sight at agricultural fairs in America, where producers of 11 pigs and cattle have been among the first to 12 cloning, which offers a way to keep 13 traits without inbreeding problems caused by traditional methods. Clones of rare and elite animals, including sheep, goats, and rabbits, 14 a way to improve animal healthy, 15 the nutritional value of meat and milk, and breed animals immune 16 diseases or better suited for developing countries. The safety of cloned 17 has been under examination by various bodies. Three years ago the US National Academy of Science concluded that 18 available data indicated that cloning met animal welfare and food safety considerations, more information was needed. 19 scientific evidence suggests that there is little 20 for alarm, at least on food-safety grounds.

单选题Which of the following would NOT be an example of a public good as described in the passage?

单选题"Clean your plate!" and "Be a member of the clean-plate club!" Just about every kid in the US has heard this from a parent or grandparent. Often, it's accompanied by an appeal. "Just think about those starving orphans (孤儿) in Africa!" Sure, we should be grateful for every bite of food. Unfortunately, many people in the US take a few too many bites. Instead of saying "clean the plate," perhaps we should save some food for tomorrow. According to news reports, US restaurants are partly to blame for the growing bellies (肚子). A waiter puts a plate of food in front of each customer, with two to four times the amount recommended by the government, according to a USA Today story. Americans traditionally associate quantity with value and most restaurants try to give them that. They serve large portions to stand apart from competitors and to give the customers value. They prefer to have customers complain about too much food rather than too little. Barbara Rolls, a nutrition professor at Pennsylvania State University, told USA Today, that restaurant portion sizes began to grow in the 1970s, the same time that the American waistline began to expand. Health experts have tried to get many restaurants to serve smaller portions. Now, apparently, some customers are calling for this too. A restaurant industry trade magazine reported last month that 57 percent of more than 4 000 people surveyed believed restaurants serve portions that are too large; 23 percent had no opinion; 20 percent disagreed. But a closer look at the survey indicates that many Americans who can't afford fine dining still prefer large portions. Seventy percent of those earning at least $150 000 per year prefer smaller portions, but only 45 percent of those earning less than $ 25 000 want smaller. It's not that working class Americans don't want to eat healthy. It's just that, after long hours at low-paying jobs, getting less on their plate hardly seems like a good deal. They live from paycheck to paycheck, happy to save a little money for next year's Christmas presents.

单选题The village ______ I was born and grew up is quite far from here. A. what B. where C. which D. that

单选题Woman: I don"t agree with Mr. Johnson on his views about social welfare. He seems to suggest that the poor are robbing the rich. Man: He might have used better words to express his ideas. But I find what he said makes a lot of sense. Question: What does the man mean?

单选题As the American workforce gets grayer, age discrimination will likely become a more prominent issue in the courts. It is, of course, illegal to discriminate against an employee because of his or her age, and yet it is not illegal to dismiss a worker because he has a high salary and expensive health care. This apparent contradiction is at the heart of a raft of cases now making their way through the courts. The outcome of these cases will have broad implications for the workplace in the coming years. By 2010, the Bureau of Labor Statistics projected that more than half of all workers will be over 40—many of whom, by dint of seniority and promotions, will be earning higher than median salaries, eligible for more stock options, and carrying higher health care costs as a result of a larger number of dependents and the increased cost of health care for older workers. Is it any wonder that a bottom-line oriented business might want to shed these workers, whose productivity is likely to plummet in the next few years, even as they become more expensive employees? Still, the legal challenges of implementing this policy are daunting. Businesses have the right to rate workers on their productivity and to rank them against their peers. But they are not allowed to prejudge individuals based on their sex, race or age. Each worker must be treated on his or her own merits, rather than by how they fit into a lager profile of the group they belong to. For companies looking to lay off these workers, the cost of making a mistake is high: while only one in three age discrimination suits are won by the plaintiff, the awards tend to be steep and the political fall-out harsh.

单选题The "explosive conflict" in the first paragraph refers to

单选题Girl：Are you ready to order? Man：______ Girl：Sure．I’ll be back in a moment． A．Do you think I’m ready? B．Yes，I’m ready． C．Are you sure you’ll be back? D．Can I have one more minute?

单选题You needn't worry about your lunch. At the party there will be______ food and drink in.(2006年中国矿业大学考博试题)

单选题 When Thomas Keller, one of America's foremost chefs, announced that on Sept. 1 he would abolish the practice of tipping at Per Se, his luxury restaurant in New York City, and replace it with a European--style service charge, I knew three groups would be opposed: customers, servers and restaurant owners. These three groups are all committed to tipping—as they quickly made clear on Web sites. To oppose tipping, it seems, is to be anticapitalist, and maybe even a little French. But Mr. Keller is right to move away from tipping—and it's worth exploring why just about everyone else in the restaurant world is wrong to stick with the practice. Customers believe in tipping because they think it makes economic sense. "Waiters know that they won't get paid if they don't do a good job" is how most advocates of the system would put it. To be sure, this is a tempting, apparently rational statement about economic theory, but it appears to have little applicability to the real world of restaurants. Michael Lynn, an associate professor of consumer behavior and marketing at Cornell's School of Hotel Administration, has conducted dozens of studies of tipping and has concluded that consumers' assessments of the quality of service correlate weakly to the amount they tip. Rather, customers are likely to tip more in response to servers touching them lightly and leaning forward next to the table to make conversation than to how often their water glass is refilled—in other words, customers tip more when they like the server, not when the service is good. Mr. Lynn's studies also indicate that male customers increase their tips for female servers while female customers increase their tips for male servers. What's more, consumers seem to forget that the tip increases as the bill increases. Thus, the tipping system is an open invitation to what restaurant professionals call "upselling": every bottle of imported water, every espresso and every cocktail is extra money in the server's pocket. Aggressive upselling for tips is often rewarded while low-key, quality service often goes unrecognized. In addition, the practice of tip pooling, which is the norm in fine-dining restaurants and is becoming more common in every kind of restaurant above the level of a greasy spoon, has ruined whatever effect voting with your tip might have had on an individual waiter. In an unreasonable outcome, you are punishing the good waiters in the restaurant by not tipping the bad one. Indeed, there appears to be little connection between tipping and good service.