单选题Two major findings have emerged from these researches. Firstly, the greater part of the development of observed intelligence occurs in the earliest years of life. It is estimated that 50 percent of measurable intelligence at age 17 is already predictable by the age of four. Secondly, the most important factors in the environment are language and psychological aspects of the parent-child relationship. Much of the difference in measured intelligence between "privileged" and "disadvantaged" children may be due to the latter's lack of appropriate verbal stimulation and the poverty of their perceptual experiences. The paragraph mainly talks aboutA. observed intelligence occurs in the earliest years of life.B. the importance of language and psychological aspects of the parent-child relationship.C. the two major findings from the recent researches on intelligence.D. lack of appropriate verbal stimulation leads to children's disadvantage in intelligenc

单选题New Product Will Save Lives Drinking water that looks clean may still contain bugs (虫子), which can cause illness. A small company called Genera Technologies has produced a testing method in three stages, which shows whether water is safe. The new test shows if water needs chemicals added to it, to destroy anything harmful. It was invented by scientist Dr. Adrian Patton, who started Genera five years ago. He and his employees have developed the test together with a British water company. Andy Headland, Genera's marketing director, recently presented the test at a conference in the USA and forecasted good American sales for it. Genera has already sold 11 of its tests at $42, 500 a time in the UK and has a further four on order. It expects to sell another 25 tests before the end of March. The company says it is the only test in the UK to be approved by the government. Genera was formed five years ago and until October last year had only five employees: it now employs 14. Mr. Headland believes that the company should make around $19 million by the end of the year in the UK alone.

单选题She seemed to have detected some anger in his voice.A.heardB. realizedC. noticedD. got

单选题The people who are to be happy fix their attention on the conveniences of things, the pleasant pans of conversation, the well-prepared dishes, the goodness of the wines, the fine weather. They enjoy all the cheerful things. Those who are to be unhappy think and speak only of the contrary things. Therefore, they are continually discontented. By their remarks, they sour the pleasure of the society, offend many people, and make themselves disagreeable everywhere. If this turn of mind were founded in nature, such unhappy persons would be the more to be pities. The tendency to criticize and be disgusted is perhaps taken up originally by imitation. It grows into a habit, unknown to its possessors. The habit may be strong, but it may be cured when those who have it are convinced of its bad effects on their interests and tastes. I hope this little warning may be of service to them, and help them change this habit. The phrase" sour the pleasure of society" most probably meansA. having a good taste to the pleasure of society.B. not being content with the pleasure of society.C. feeling unhappy with the pleasure of society.D. enjoying the pleasure of society.

单选题下面有3篇短文，每篇短文后有5道题。请根据短文内容，为每题确定1个最佳选项。{{B}}第一篇{{/B}} Electronic Teaching The potential of closed-circuit television and other new electronic teaching tools is so great that it is fascinating to visualize "the school of tomorrow" Televised lessons will originate from a central building having perhaps four or five master studios. The lessons will be carried into classrooms all over a city, or even an entire country. After a televised lesson has been given, the classroom teacher will take over for the all-important "follow-up" period. The students will ask any troublesome questions, and difficult points will be cleared up through discussion. The teacher in the classroom will have additional electronic tools. On the teacher's desk, the traditional chalk and erasers will have been replaced by a multiple-control panel and magnetic tape player. The tape machines will run pre-recorded lessons which pupils will follow by headphones. The lessons will be specifically geared to the students' levels of ability. For instance, while the class as a whole studies history, each student will receive an individual history lesson, directed to his particular level of ability. Should question arise, the students will be able to talk directly to the teacher on individual "intercoms" without disturbing the rest of the class. In this way, the teacher will be able to conduct as many as three classes at the same time. With the rapid development of computer science, students will be aided with specially prepared multimedia software to study their subjects better. Homework will possibly be assigned and handed in via electronic mail system. Students can even take examinations on their computer linked with the teacher's and get the score instantly. They will get certificates or diplomas if they pass all the required examinations. Experts believe that this type of education will be very popular in the years ahead.

单选题Shopping habits in the United States have changed greatly in the last quarter of the 20th century. As early as in the 1900s most American towns and cities had a Main Street. Main Street was always in the heart of a town. This street was (51) on both sides with many varied businesses. Here, shoppers walked into stores to look at all sorts of merchandise: clothing, furniture, hardware, groceries. (52) , some shops offered service. These shops included drugstores, restaurants, shoe repair stores, and barber or hairdressing shops. (53) in the 1950s, a change began to take place. Too many automobiles had crowded into Main Street (54) too few parking places were (55) shoppers. Because the streets were crowded, merchants began to look with interest at the open spaces (56) the city limits. Open space is what their car driving customers needed. And open space is what they got (57) the first shopping centre was built. Shopping centres, or rather malls, (58) as a collection of small new stores (59) crowded city centres. (60) by hundreds of free parking space, customers were drawn away from (61) areas to outlying malls. And the growing (62) of shopping centres led (63) to the building of bigger and better stocked stores. (64) the late 1970s, many shopping malls had almost developed into small cities themselves. In addition to providing the convenience of one stop shopping, malls were transformed into landscaped parks, (65) benches, fountains, and outdoor entertainment.

单选题What Is the Coolest Gas in the Universe'?. What is the coldest air temperature ever recorded on the Earth? Where was this low temperature recorded? The coldest recorded temperature on Earth was --91℃. which (51) in Antarctica (南极洲) in 1983. We encounter an interesting situation when we discuss temperatures in (52) . Temperatures in Earth orbit (轨道) actually range from about +120℃ to --120℃. The temperature depends upon (53) you are in direct sunlight or shade. Obviously, -120℃ is colder than our body can (54) endure. The space temperatures just discussed affect only our area of the solar (55) . Obviously, it is hotter closer to the Sun and colder as we travel (56) from the Sun. Scientists estimate temperatures at Pluto are about --210℃. How cold is the lowest estimated temperature in the entire universe? Again, it depends upon your (57) . We are taught it is supposedly (58) to have a temperature below absolute zero, which is --273℃, at which atoms do not move. Two scientists, Cornell and Wieman, have successfully (59) down a gas to a temperature barely above absolute zero. They won a Nobel Prize in Physics in 2001 for their work--not a discovery, in this case. Why is the two scientists' work so important to science? In the 1920s, Satyendra Nath Bose was studying an interesting (60) about special light particles (微粒) we now call photons (光子). Bose had trouble (61) other scientists to believe his theory, so he contacted Albert Einstein. Einstein's calculations helped him theorize that atoms (62) behave as Bose thought--but only at very cold temperatures. Scientists have also discovered that ultra-cold (超冷) atoms can help them make the world's atomic clocks even (63) accurate. These clocks are so accurate today they would only lose one second (64) six million years! Such accuracy will help us travel in space because distance is velocity (速度) times time(d= v × t) With the long distances involved in space (65) , we need to know time as accurately as possible to get accurate distance.

单选题His breathing was steady .

单选题As he wanted to watch the tennis final of the Olympic Games, he left a pile of dishes unwashed in the kitchen.

单选题The meaning is still {{U}}obscure{{/U}}. A. transparent B. vague C. alien D. significant

单选题The upper atmosphere is believed to consist of a number of roughly concentric layers, which include the troposphere (???) and stratosphere (???).A. plainlyB. repeatedlyC. nearlyD. changeably

单选题It is the movement, net the color, of objects that Uexcites/U the bull.

单选题The writer cites the Duomo in the last paragraph as an example to illustrate that

单选题Please don't drop that china vase: it's one of my prize Upossessions/U.

单选题The example was Ufundamental/U to the argument.

单选题Technology Transfer in Germany When it comes to translating basic research into industrial success, few nations can match Germany. Since the 1940s, the nation"s vast industrial base has been fed with a constant stream of new ideas and expertise from science. And though German prosperity (繁荣) has faltered (衰退) over the past decade because of the huge cost of unifying east and west as well as the global economic decline, it still has an enviable record for turning ideas into profit. Much of the reason for that success is the Fraunhofer Society, a network of research institutes that exists solely to solve industrial problems and create sought-after technologies. But today the Fraunhofer institutes have competition. Universities are taking an ever larger role in technology transfer, and technology parks are springing up all over. These efforts are being complemented by the federal programmes for pumping money into start-up companies. Such a strategy may sound like a recipe for economic success, but it is not without its critics. These people worry that favouring applied research will mean neglecting basic science, eventually starving industry of fresh ideas. If every scientist starts thinking like an entrepreneur (企业家), the argument goes, then the traditional principles of university research being curiosity-driven, free and widely available will suffer. Others claim that many of the programmes to promote technology transfer are a waste of money because half the small businesses that are promoted are bound to go bankrupt within a few years. While this debate continues, new ideas flow at a steady rate from Germany"s research networks, which bear famous names such as Helmholtz, Max Planck and Leibniz. Yet it is the fourth network, the Fraunhofer Society, that plays the greatest role in technology transfer. Founded in 1949, the Fraunhofer Society is now Europe"s largest organisation for applied technology, and has 59 institutes employing 12,000 people. It continues to grow. Last year, it swallowed up the Heinrich Hertz Institute for Communication Technology in Berlin. Today, there are even Fraunhofers in the US and Asia.

单选题 Scientists Make Sweet Discovering Good news for chocoholics: the treat preferred by millions all over the world is good for you, according to American researchers at the University of California. Chocolate contains substances called flavonoids that can help maintain a healthy heart and good circulation. The researchers have discovered that cocoa acts like aspirin and that eating a bar of chocolate has also been shown to release endorphins in the body: these chemicals help to reduce pain and stress and make you feel happy. The Olmec Indians of Mexico and Central America were the first to grow cocoa beans, in aboutlS00 B.C., and the Mayas were drinking unsweetened coca hundreds of years before it became fashionable in Europe. In 1544, a delegation of Mayan nobles visited Philip of Spain and gave him jars of cocoa as a gift. Cocoa soon became fashionable in Spain and Portugal. The Spanish were the first to add sugar to their cocoa drink. By the middle of the century, solid chocolate was becoming familiar. In 1765, James Baker and John Hanan opened the first chocolate mill in the United States, introducing chocolate to the average citizen. In 1896, in Switzerland, Daniel Peter had the idea of adding milk in the chocolate-making process and produced the first milk chocolate. Since then, chocolate has grown enormously in popularity. One of the biggest chocolate-eating nations is Britain where the average man, women, and child eats nine kilos of chocolate a year. In fact, chocolate is the number one comfort food and there are more chocoholics in Britain than any where else in the world. Researchers warn that although chocolate is good for you, it should be eaten in small quantities and with no added milk.

单选题Which of the following statements DOES NOT answer the question "What caused the "life-saving effect" to occur in the early 1990s?"

单选题The towers of a suspension bridge serve as a rigid framework to which the cables are attached.

单选题I was most surprised to hear Susan"s marriage.