单选题She"s got so ______ to light music that it has become a constant companion of her life.

单选题A ______ translation is not always the closest to the original meaning.

单选题When judging animal intelligence, scientists look for insight, which they define as a flash of sudden understanding. When a young gorilla could not reach fruit from a tree, she noticed crates scattered about the lawn, piled them and then climbed on them to reach her reward. The gorilla"s insight allowed her to solve a new problem without trial and error. The ability to use tools is also an important sign of intelligence. Crows use sticks to pry peanuts out of cracks. The crow exhibits intelligence by showing it has learned what a stick can do. Likewise, otters use rocks to crack open crab and, in a series of complex moves, chimpanzees have been known to use sticks to get at favorite snack-termites. Many animals have learned to communicate using human language. Some primates have learned hundreds of words in sign language. One chimp can recognize and correctly use more than 250 abstract symbols on a keyboard and one parrot can distinguish five objects of two different types and can understand the difference between numbers, colors, and kinds of object. The research on animal intelligence raises important questions. If animals are smarter than once thought, would that change the way humans interact with them? Would humans stop hunting them for sport or survival? Would animals still be used for food or clothing or medical experimentation? Finding the answer to these tough questions makes a difficult puzzle even for a large-brained, problem-solving species like our own.

单选题Melissa is a computer______ that destroyed files in computers and frustrated thousands of users around the world.(2004年中国人民大学考博试题)

单选题Some economists fret that share prices are moving far______companies earnings, to a degree scarily reminiscent of Japan in the late 1980s just before its crash. A. ahead of B. back of C. independent of D. abreast of

单选题His ______ should not be confused with cowardice; during the war, I saw him on several occasions risk his own life while rescuing members of his unit. A. heroism B. indifference C. caution D. notoriety

单选题The writer's attitude toward the idea of American family values is ______.

单选题Although the model looks good on the surface, it will not bear close______.(2015年北京航空航天大学考博试题)

单选题The two fanatic Puerto Rican nationalists who tried to assassinate Harry Truman in 1950 attacked him when he was living across the street in Blair House while the White House was being renovated .(中国社会科学院2006年试题)

单选题According to Plato, the most important idea is the idea of "good". Knowledge of "good" is the object of all inquiry, a goal to which all other things are ______. A. approximate B. crucial C. subordinate D. detached

单选题Total investments for this year reached $ 56 million, and to put this into______ investments this year will double those made in 199

单选题It is the first of several agreements United States hopes to reach as it attempts to reduce, labor costs by $5.8 billion and ______ bankruptcy. A. dispel B. revert C. transfer D. avert

单选题Bill couldn't ______ an answer when tile teacher asked him why he was late.

单选题According to the passage, the effects of Tempura' s eruption were ______.

单选题[此试题无题干]

单选题Concern with money, and then more money, in order to buy the conveniences and luxuries of modem life, has brought great changes to the lives of most Frenchmen. More people are working than ever before in France. In the cities the traditional leisurely midday meal is disappearing. Offices, shops, and factories are discovering the great efficiency of a short lunch hour in company lunchrooms. In almost all lines of work emphasis now falls on ever-increasing output. Thus the "typical" Frenchman produces more, earns more, and buys more goods than his counterpart of the last generation. He gains in creating comforts and ease of life. What he loses to some extent is his sense of persona, uniqueness, or individuality. Some say that France has been Americanized. This is because the U.S. is a world symbol of the technological society and its consumer products, The so-called Americanization of France has its critics. They fear that "assembly-line life" will lead to the disappearance of the pleasures of the more graceful and leisurely (but less productive) old French style. What will happen, they ask, to taste, elegance, and the cultivation of the good things in life-joy in the smell of a freshly picked apple, a stroll by the river, or just happy hours of conversation in a local care? Since the late 1950s life in France has indeed taken on qualities of rush, tension, and the pursuit of material gain. Some of the strongest critics of the new way of life are the young, especially university students. They are concerned with the future, and they fear that France is threatened by the triumph of this competitive, goods-oriented culture. Occasionally, they have reacted against the trend with considerable violence. In spite of critics, however, countless Frenchmen are committed to keeping France in the forefront of the modem economic world. They find that the present life brings more rewards, conveniences, and pleasures than that of the past. They believe that a modem, industrial France is preferable to the old.

单选题Now that the excitement of celebrating has had a chance to ______, it"s time to turn the Olympic ideal into reality.

单选题The______they felt for each other was obvious to everyone who saw them. A. affection B. adherence C. sensibility D. sensitivity

单选题A new biotechnology procedure that could become commercially available in as little as two to four years is "transgenosis", which permits scientists to create an animal with specific traits by adding, removing, inactivating, or repairing genes in an embryo. The additional genes can come from any source. For example, if a gene of interest occurs in mosquitoes—say, one that codes for resistance to a certain disease—it can be removed and placed in the embryo of a farm animal, the several strains of commercially useful transgenic farm animals that will probably emerge in the next few years could include leaner pigs, poultry resisting to influenza or other deadly diseases, sheep with wool that is easier to wash, and goats that produce valuable pharmaceuticals in their milk. The simplest way to make transgenic animals is to inject a gene into a one-cell embryo and then implant the embryo in another animal. Under the right conditions, the new gene joins one of the embryo's strands of genes. Each cell created as the embryo divides gets a copy of the new gene. An alternative technique is to incorporate the gene into a type of virus known as a retrovirus that has been modified so it cannot reproduce itself after entering a cell. The virus, which cannot cause disease, delivers the gene to the cell's nucleus. Often this method is better than gene injection because a retrovirus always delivers just one gene, and the gene is always undamaged and complete.