单选题What can be said about the varieties of homes?

单选题During Prohibition, people ______.

单选题Do we need laws that prevent us from running risks with our lives? If so, then perhaps laws are needed prohibiting (禁止) the sale of cigarettes and alcoholic drinks. Both products have been known to kill people. The hazards of drinking too much alcohol are as bad or worse than the hazards of smoking too many cigarettes. All right then, let's pass a law closing the liquor stores and the bars in this country. Let's put an end once and for all to the disease from which as many as 10 million Americans currently suffer alcoholism (酗酒). But wait. We've already tried that. For 13 years, between 1920 and 1933, there were no liquor stores anywhere in the United States. They were shut down—abolished by an amendment (修正案), the Volstead Act. After January 20, 1920, there was supposed to be no more manufacturing, selling, or transporting of "intoxication liquors." Without any more liquor, people could not drink it. And if they did not drink it, how could they get drunk? There would be no more dangers to the public welfare from drunkenness and alcoholism (酒精中毒). It was all very logical. And yet prohibition of liquor, beer, and wine did not work. Why? Because, law or no law, millions of people still liked to drink alcohol. And they were willing to take risks to get it. They were not about to change their tastes and habits just because of a change in the law. And gangs of liquor smugglers (走私犯) made it easy to buy an illegal drink—or two or three. They smuggled millions of gallons of the illegal beverages (饮料) across the Canadian and Mexican Borders. Drinkers were lucky to know of an illegal bar that served Mexican or Canadian liquor. Crime and drunkenness were both supposed to decline as a result of prohibition. Instead people drank more alcohol than ever—often poisoned alcohol. On December 5, 1933, they removed prohibition by approving the 21st Amendment to the Constitution.

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单选题The word "registered" in the last paragraph most probably means______.

单选题Six years ago, a Miami woman walking through the hall of an office building casually noticed two men standing together. Several minutes after her leaving, the men murdered a person working in the building. Police investigators determined that the woman was the only witness who had seen the two suspects, and could possibly describe them. In an interview with police, her memory of the men proved disappointingly unclear. Several days later, psychologist Ronald P. Fisher was brought in to obtain a more complete account from the woman. Fisher"s interview produced a breakthrough (突破)—the woman reported a clear picture of one of the suspects. She then recalled several details about his appearances. This information gave police important leads that enabled them to arrest the suspects and close the case. Police investigators sought the help from Fisher because of his rich knowledge in conducting the so-called cognitive (认知的) interview, a kind of memory-rebuilding process. In its original form, the cognitive interview focuses on guiding witnesses through four general recalling techniques: thinking about physical surroundings and personal feelings that existed at the time of past events, reporting everything that comes to mind about those events no matter how broken or unconnected, retelling events in a variety of time orders, beginning to end, end to beginning, forward or backward, and adopting different perspectives while recalling events. Usually, an interviewer begins the cognitive approach by encouraging the witness to take an active role in recalling information rather than giving answers only to someone else"s questions. The witness first describes what happened in his or her own words, with no interviewer interruptions. The interviewer then goes further with specific techniques, such as having the witness tell the details of what happened from different perspectives. Experiments with police detectives trained in this demanding interview method find that they get nearly 50% more information from witnesses than before training, while error rates remain about the same.

单选题Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.

单选题In poorer countries, measures to restrict cigarette advertising meet fierce opposition from ______.

单选题The word "shun" ( Line 1, Para. 1 ) most probably means ______.

单选题Within two weeks of arrival, all foreigners had to ______ with the local police.A) inquireB) consultC) registerD) profession

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单选题The company is trying every means to ______ the wholesale price of its products.A) pull downB) put downC) set downD) bring down

单选题The big boy tried to climb through the window of the warehouse, but it's a ____________ fit.

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单选题What will be the result of the greenhouse effect?

单选题Their relationships with their parents have been so ______ that they are no longer able to communicate.