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单选题

单选题{{B}}E{{/B}} Most shoplifters (商店扒手) agree that the January sales offer wonderful opportunities for the hard-working thief. With the shop so crowded and the staff (全体职员) so busy, it does not require any special talent to help yourself to one or two things and escape, unnoticed. It is known, in the business, as "hoisting". But the hoisting game is not what it used to be. Even at the height of the sales, shoplifters today never know if they are being watched by one of those evil (坏的) little balls that hang from the ceilings (天花板) above the most desirable goods. They can now be filmed at work and obliged to attend a showing of their performance (演出) in court (法庭). Selfridges was the first big London store to install (安装) this equipment to watch its sales floors. In October last year the store won its first court case for shoplifting using as evidence (证据) a video tape showing a lady stealing dresses. It was an important test case which encouraged others to install such equipment. When the balls, called sputniks, first made an appearance it was widely believed that their only use was to frighten shoplifters. Their strange appearance, the curious holes and red lights going on and off, certainly made the theory believable. It didn't take long, however, for serious shoplifters to start showing suitable respect. Soon after the equipment was in operation at Selfridges, store detective (侦探) Chadwick was sitting in the control room watching a woman secretly putting bottles of perfume (香水) in to her bag. "As she turned to go," Chadwick said, "she suddenly looked up at the ' sputnik'. She could not possibly have seen that the camera was focused on her because it is hidden, but she must have a feeling that I was looking at her." "For a moment she paused, but then she returned to the counter and started putting everything back. When she had finished, she opened her bag towards the camera to show it was empty and hurried out of the store."

单选题No sooner ______ to sleep than the telephone rang once more.

单选题{{B}}D{{/B}} Until 1983, Tillson Lake had been a lovely weekend and vacation place for many families. Then everything changed. During the Fourth of July weekend, residents woke up one morning to find that the lake had disappeared. Some people didn't believe what they were seeing. They looked again, but to their amazement they found they had been right the first time. The lake was simply no longer there. In its place was a muddy crater hollow, 30 feet deep. It was as if the lake had been a giant bathtub and someone had pulled the plug. The lake's owner, Joseph Unanue, did indeed pull the plug. That's exactly what happened. The dam that held back the water to form the lake was falling apart, so government officials ordered him to repair it. They issued him a permit to lower the water level "five feet or more." He did much more. Mr. Unanue found that repairs to the dam would cost $ 100,000. He didn't want to spend that much, so he opened the dam and lowered the water level until the lake was completely drained. People living above the dam ended up with no lake. People living below the dam ended up with tons of mud and lots of dead fish. Everyone involved was angry with Mr. Unanue. Area residents believe Mr. Unanue acted out of spite hatred. They say he wanted to get back at them because the town wouldn't let him develop an amusement park on the lakeshore. When he couldn't build his park, he just went away and took his lake with him.

单选题Don't be hard on her—she is very ______ and she may start to cry.

单选题From the last paragraph readers can learn ______.

单选题 阅读下列短文，从每题所给的四个选项(A、B、C和D)中选出最佳选项。{{B}}A{{/B}} America has had many presidents who have been famous all over the world. People from other countries know the names Washington, Kennedy and so on. However, many men who have served as president of the United States have not been famous in other parts of the world. One example is J. Q. Adams, the sixth man to serve as U.S. president. Very little happened while Adams was president. It was an unhappy time for him, and he wasn't very effective, when his term ended, he went back to the Congress and served as a representative (众议院议员). While he was in Congress, people began to respect him more than they had done while he was president. Adams was strongly against slavery and tried to outlaw it in Washington D. C. People began to look back on his presidency with a different view. Now they saw that he was an independent man with high ideal who loved his country and hated slavery. Adams died in 1848 while speaking in the House of Representative.

单选题______ salary up by 25%, the doctors and nurses in this hospital are very happy. A. As B. For C. With D. Through

单选题Howdoesthewomanfeelatthebeginningoftheconversation?

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单选题Mr. Reed made up his mind to devote all he had to______ some schools for poor children.

单选题From the last two paragraphs we can conclude that ______.

单选题Howcanlightandbrightcolorinfluencepeople?A.Itcanonlymakepeoplehappy.B.Itcanmakepeoplesad.C.Itcanmakepeoplehappyandactive.

单选题Sugar is so much a part of our modem life that we only really think about it when, for some reason, we cannot obtain it. It has been known to man for at least 3,000 years, but it has come into common use only in modern times. Until quite recently it was considered as a medicine and as a luxury for the very rich only. Sugar is, then, very important to our civilization. But what exactly is it? Of course, most of us recognize sugar immediately as the sweet material which we put in coffee or cakes. This common form of sugar is derived from two plants: the sugarcane ( a type of grass which grows to a height of twenty feet) and the sugar beet ( which grows underground). But there are in fact many types of sugar, and the chemist recognizes hundreds of different varieties, each coming from a different source. About 90% of the sugar is produced as food. Only 10% is used in industry for purposes other than food production. Yet sugar has great possibilities for use as the basis of chemicals. It can even be used for making plastics. In the future these potential uses will certainly be developed more than in the past. There are many reasons why we should increase the production of sugar. Most importantly, it is one of the most highly concentrated of energy foods. Thus sugarcane and sugar beet produce an average of 7,000,000 calories per acre. In this way they have the advantage over potatoes which give only 4,000,000, while the figure for wheat and beans is 2,000,000 each. So three acres of land growing wheat, beans and potatoes give only slightly more energy than one acre of sugar.

单选题Up to now there have been many explanations ______ the cause of sleepwalking.