单选题Color-blind people find it difficult to ______ between red and green.

单选题The______is an important form of British literature in the 15th century.

单选题Vingo sat there, never ______, his dusty face ______ his age. A．moving; masked B．moved; masked C．moving; masking D．moved; to be masked

单选题According to the passage, what does social capital refer to?

单选题In colonial America, where did silversmiths usually obtain the material to make silver articles?

单选题He slept in the ______ of the trees on such a hot day.

单选题Woman: How are you getting on with your math? Man: I really need to brush up on it. Question: What does the man mean?

单选题{{B}}Passage Five{{/B}} More and more, the operations of our businesses, governments, and financial institutions are controlled by information that exists only inside computer memories. Anyone clever enough to modify this information for his own purposes can reap big reward. Even worse, a number of people who have done this and been caught at it have managed to get away without punishment. It's easy for computer crimes to go undetected if no one checks up on what the computer is doing. But even if the crime is detected, the criminal may walk away not only unpunished but with a glowing recommendation from his former employers. Of course, we have no statistics on crimes that go undetected. But it's disturbing to note how many of the crimes we do know about were detected by accident, not by systematic inspections or other security procedures. The computer criminals who have been caught may have been the victims of uncommonly bad luck. Unlike other lawbreakers, who must leave the country, commit suicide, or go to jail, computer criminals sometimes escape punishment, demanding not only that they not be charged but that they be given good recommendations and perhaps other benefits. All too often, their demands have been met. Why? Because company executives are afraid of the bad publicity that would result if the public found out that their computer had been misused. They hesitate at the thought of a criminal boasting in open court of how he juggled (诈骗) the most confidential (保密) records right under the noses of the company's executives, accountants, and security staff. And so another computer criminal departs with just the recommendations he needs to continue his crimes elsewhere.

单选题(非英语专业学生做) I am often asked to describe the experience of raising a child with a disability. It is like this.【61】you are going to have a baby, it's like preparing a vacation trip to Italy. You【62】a bunch of guidebooks and make wonderful【63】. You may learn some useful phrases【64】Italian. It's all very exciting.【65】several months of eager expectation, the day finally【66】You pack your bags and off you go. Several hours【67】, the plane lands in Holland. "Why Holland? " you say. "I sign up【68】Italy! All my life I've dreamed【69】going to Italy. " But you have landed in Holland and【70】you must stay. The important thing is to remember that they haven't taken you【71】a horrible, disgusting, filthy place. It's just a【72】place. So you go out and buy new guidebooks【73】you must learn a whole new language. Holland may be slower-paced【74】Italy. But you have been there for a while, you【75】that Holland has windmills and tulips(郁金香) . Everyone you know is busy coming and going from Italy, and they all boasting about【76】a wonderful time they had there. And for the【77】of your life you will say, "Yes, that's where I was【78】to go" . But if you spend your life【79】the fact that you didn't get to Italy , you may never be free to【80】the very special, the very lovely things about Holland.

单选题 This is an approach to quality improvement based on the statistical work of Joseph Juran, one of two American pioneers of quality management in Japan. Sigma is a Greek letter used in mathematics to denote standard deviation, a statistical measure of the extent to which a series of numbers or readings deviates from its mean. One Sigma indicates a wide scattering of the readings. If the mean is the required quality standard of a particular process or product, then One Sigma quality is not very good. The higher the number, the closer the readings come to total perfection. At the Six Sigma level, there are only 3.4 defects per million. This may sound complicated, but in practice it has proved a popular way for managers to put quality management into effect. One of its great advantages is that it avoids the idea of aiming for "zero defects", or total perfection-a frighteningly inaccessible goal for most. It presents a system for improving quality gradually. Companies or operational groups move step-by-step up the Sigma ladder, the ultimate goal being to reach the Six Sigma state-still just short of perfection. Reasonably unsophisticated computer programs do the necessary calculations when fed with data on the goals (the specifications of the perfect product or process) and the organization's actual achievements. Six Sigma sounds like some sort of secret coven. Its advocates insist that it is no such thing. But it has certain attributes of the exclusive society. Anyone in an organization who goes on a basic training course for a Six Sigma program is called a Green Belt. Anyone who is given the full-time job of leading a team that is embarking on a Six Sigma exercise is given further training and is called a Black Belt. Beyond this there are a special few who are trained even more, and they are called Master Black Belts. Their role is to champion the exercise throughout the organization and to watch over the Black Belts and ensure that {{U}}they{{/U}} are consistently improving the quality of their team's output. Pioneered in the United States by Motorola in the 1980s, Six Sigma became hugely popular in the 1990s after Jack Welch adopted it at General Electric. To achieve Six Sigma quality at GE, a process must produce no more than 3.4 defects per million "opportunities". An opportunity is defined as "a chance for non-conformance, or not meeting the required specifications". The company says: "Six Sigma has changed the DNA of GE. It is now the way we work-in everything we do and in every product we design".

单选题In 1807 Noah Webster began his greatest work, An American Dictionary of the English Language. In preparing the work, he devoted ten years to the study of English and its relationship to other languages, and seven more years to the writing itself. Published in two volumes in 1828, An American Dictionary of the English Language has become the recognized authority (权威) for usage in the United States. Webster's purpose in writing it was to show that the American language was developing distinct meanings, pronunciations, and spellings from those of British English. He is responsible for advancing simplified spelling forms: "develop" instead of the British form "develope"; "theater" and "center" instead of "theatre" and "centre"; "color" and "honor" instead of "colour" and "honour".

单选题______ he studies hard, he will never pass the examination,A. IfB. UnlessC. Even ifD. Even though

单选题Would you please call me up later ______ they decide to go camping? A. that B. for C. whether D. when

单选题A The auctioneer must know B fair accurately the current C market values of the goods D he is selling.

单选题Education in Russia and the other new countries faces especially daunting obstacles be cause the struggling economies of these nations often provide insufficient funds for educa tion.

单选题The preserved food should retain palatable appearance, flavor, and texture, as well as its original nutritional value.

单选题In most countries, the metric system has been______for all measurement.

单选题When another old cave is discovered in the south of France, it is not usually news. Rather, it is an ordinary event. Such discoveries are so frequent these days that hardly anybody pays heed to them. However, when the Lascaux cave complex was discovered in 1940,the world was amazed. Painted directly on its walls were hundreds of scenes showing how people lived thousands of years ago. The scenes show people hunting animals, such as bison or wild cats. Other images depict birds and, most noticeably, horses, which appear in more than 300 wall images, by far outnumbering all other animals. Early artists drawing these animals accomplished a monumental and difficult task. They did not limit themselves to the easily accessible walls but carried their painting materials to spaces that required climbing steep walls or crawling into narrow passages in the Lascaux complex. Unfortunately, the paintings have been exposed to the destructive action of water and temperature changes, which easily wear the images away. Because the Lascaux caves have many entrances, air movement has also damaged the images inside. Although they are not out in the open air, where natural light would have destroyed them long ago, many of the images have deteriorated and are barely recognizable. To prevent further damage, the site was closed to tourists in 1963,23 years after it was discovered.

单选题All humans are born into families—and families begin with the joining together of a man and a woman in marriage. All societies have their own form of marriage. The ideas that we have about marriage are part of our cultural background; they are part of our basic beliefs about right and wrong. As we study marriage, we find that different cultures have solved the problem of finding a spouse in different ways. In traditional Chinese culture, parents made marriage decisions for their children. Parents who wanted to find a spouse for their son or daughter asked a marriage counselor(媒人)to find someone with the right qualities, including age and educational background. Older family members, who understood that the goal of marriage was to produce healthy sons, made the all-important decision of marriage. In traditional Chinese society, sons were important because they would take positions as head of the family and keep the family name alive. One view of marriage that surprises most of us today was held by John Noyes, a religious man who started the Oneida Community in the state of New York in 1831. Noyes decided that group marriage was the best way for men and women to live together. In this form of marriage, men and women changed partners frequently. They were expected to love all members of the community equally. Children belonged to all members of the community, and all the adults worked hard to support themselves and shared everything they had. Members of the Oneida Community lived together for a while without any serious problems; however, this way of life ended when John Noyes left in 1876. Without his leadership and special way of thinking, members of the community quickly returned to the traditional marriage of one woman and one man.

单选题The major factor that leads Japanese women to postpone their marriage is