单选题When Henry arrived home after a hard day at work, {{U}}his wife was slept{{/U}}.

单选题 The most popular organic gem is the pearl. A pearl is the response of a marine mollusk to the presence of an irritating impurity accidentally introduced into its body; a cultured pearl is the result of the intentional insertion of a mother-of-pearl bead into a live mollusk. Whether introduced accidentally or intentionally, the pearl-making process is the same: the mollusk coats the irritant with a substance called nacre. Nacre is composed chiefly of calcium carbonate. Because very few natural pearls are now on the market, most pearls used in free jewelry are cultured. These include "Biwa" pearls and most other freshwater pearls. Cultured pearls are not easily distinguished from natural pearls except by an expert.

单选题These surveys indicate that many crimes go {{U}}having been unrecorded{{/U}} by the police, mainly because not all victims have reported them.

单选题Columbus had accomplished one of the most amazing and courageous________in history.

单选题It was a bold idea to build a power station in the deep valley, but it ______ as well as we had expected. A. went off B. worked off C. broke off D. came off

单选题This is______for me to do.

单选题Children learn primarily by physical experience direct the world around them.

单选题It is well-known that the retired workers in our country are ______ free medical care. A. entitled to B. involved in C. associated with D. assigned to

单选题Yesterday the manager insisted that the contract______signed as soon as possible.

单选题The officer is {{U}}gallant{{/U}} in his behavior toward the woman.

单选题The senator agreed that his support of the measure would jeopardize his chances for reelection.

单选题The Declaration of Independence, ________the Constitution of the United States, was drawn up with the help of Benjamin Franklin.

单选题______I realized the consequences, I would never have intended to get involveD．

单选题She all but fainted when she heard the news. A． all over B． seemingly C． almost D． obviously

单选题During many sectors are foundering, the $21 billion videogame-software industry is booming, adding game developers at a rate of 2,500 a year in the United States alone.

单选题Most of the people who appear most often and most gloriously in the history books are great conquerors and generals and soldiers, whereas the people who really helped civilization forward are often never mentioned at all. We do not know 1 first set a broken leg, or launched a seaworthy boat, or calculated the length of the year; 2 we know all about the killers and destroyers. People think 3 them, so much so that on all the highest columns in the great cities of the world you will find the 4 of a conqueror or a general or a soldier. And I think most people 5 that the greatest countries are those that have beaten in battle the greatest number of 6 countries and ruled over them as conquerors. It is just 7 they are, but they are not the most civilized. Animals 8 ; so do savages (野蛮人); hence to be good at fighting 9 be good in the way in which an animal or a savage is good; but it is not to be 10 . Even being good at getting other people to fight for you and telling them how to do it most 11 —this, after all, is what conquerors and generals have done—is not being civilized. People fight to 12 quarrels. Fighting means killing, and civilized peoples ought to be able to 12 some way of settling their disputes other than by seeing which side can 14 the greater number of the other side, and then saying that that side which has killed 15 has won. And not only has won, but, because it has won, has been 16 . For that is what going to war means; it means 17 that might is right. That is what the story of mankind has 18 been like. Even our own age has fought the two greatest wars in history, 19 millions of people were killed or disabled. And while today it is true that people do not fight and kill each other in the streets— 20 , that is to say, we have got to the stage of keeping the rules and behaving properly to each other in daily life—nations and countries have not learnt to do this yet, and still behave like savages.

单选题The new secretary has written a remarkably ______ report only in a few pages but with all the details.

单选题 Questions 6-10 are based on the following passage. Dreams have always held a universal fascination. Some primitive societies believe that the soul leaves the body and visits the scene of the dream. Generally, however, dreams are accepted to be illusions, having much in common with day dreams—the fantasies of our waking life. When dreaming, however, one tends to believe fully in the reality of the dream world, however inconsistent, illogical and odd it may be. Although most dreams apparently happen spontaneously, dream activity maybe provoked by external influences. "Suffocation" dreams are connected with the breathing difficulties of a heavy cold, for instance. Internal disorders such as indigestion can cause vivid dreams, and dreams of racing fire-engines may be caused by the ringing of an alarm bell. Experiments have been carried out to investigate the connection between deliberately inflicted pain and dreaming. For example, a sleeper pricked with a pin perhaps dreams of fighing a battle and receiving a severe sword wounD．Although the dream is stimulated by the physical discomfort, the actual events of the dream depend on the associations of the discomfort in the mind of the sleeper. A dreamer's eyes often move rapidly from side to side. Since people born blind do not dream visually and do not manifest this eye activity, it is thought that the dreamer may be scanning the scene depicted in his dream. A certain amount of dreaming seems to be a human requirement-if a sleeper is roused every time his eyes begin to move fast, effectively depriving him of his dreams, he will make more eye movements the following night. People differ greatly in their claims to dreaming. Some say they dream every night, others only very occasionally, individual differences probably exist, but some people immediately forget dreams and others have good recall. Superstition and magical practices thrive on the supposed power of dreams to foretell the future. Instances of dreams which have later turned out to be prophetic have often been recorded, some by men of the highest intellectual integrity. Although it is better to keep an open mind on the subject, it is true that the alleged power of dreams to predict future events still remains unproveD． Everyone knows that a sleeping dog often behaves as though he were dreaming, but it is impossible to tell what his whines and twitches really mean. By analogy with human experience, however, it is reasonable to suppose that at least the higher animals are capable of dreaming. Of the many theories of dreams, Freud's is probably the best known. According to Freud, we revert in our dreams to the modes of thought characteristic of early childhooD．Our thinking becomes concrete, pictorial and non-logic, and expresses ideas and wishes we are no longer conscious of. Dreams are absurd and unaccountable because out conscious mind, not willing to acknowledge our subconscious ideas, disguises them. Some of Freud's interpretations are extremely fanciful, but there is almost certainly some truth in his view that dreams express the subconscious minD．

单选题We should be able to {{U}}keep{{/U}} balance between our incoming wages and the outgoing expenses.

单选题Aspirin was invented in ______