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Questions 63 to 66 are based on the following passage:The Intel Science Talent Search, the most prestigious high school science contest in the nation, was launched to identify young scientific talent, and it has been doing so with remarkable precision since 1941. Every year, approximately 1,700 students from around the country polish off projects they have been working on for as long as two years, and send in a report to the contest officials. Simply entering the contest is an impressive achievement for a high school junior. It means that the student has spent hundreds of hours probing a scientific question or testing a theory about which he has written a scientific paper of near-professional quality. The top 300 students become semifinals, and from this group, 40 are selected to bring their projects to Washington. Ten projects are then selected as the best in the final round of judging. The 40 finalists get at least $7,500 for their efforts, and the top student receives a $100,000 scholarship. Most of the winners, from semifinals up, are guaranteed admission to the college of their choice.From the start, this contest was different from traditional science fairs. Its goal was not simply to choose the best project but to locate the best potential scientists. The distinction is an important one. The contest has a number of features that test the mettle of the students as well as the projects. It endeavors to explore the nimbleness and originality of the minds behind the projects, rather than just rewarding the boldness of the experiment. The contest’s underlying philosophy is that students discover their scientific talents by working on science, not by listening to lectures in a classroom. The Intel Science Talent Search differs from traditional science contests in that（）.
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债务重组的方式包括以资产清偿债务、债务转为资本或减少债务本金、债务利息等，不论采用何种方式，都会减轻债务人的偿债压力。
Questions 55 to 58 are based on the following passage:For many travelers there is nothing like a big city. The big cities of a nation offer things that are usually not found in other places. Outstanding museums, plays, music, and dance groups are examples. Shops that seem to sell everything under the sun, great buildings, famous businesses, and very fine restaurants also are common.For many travelers, therefore, the city is the place to be. Yet, for some, the city has become a place to fear. They see the city as a place with too many people, too much traffic, and yes, too much crime.Here are a few suggestions and safety rules which can help the visitor to have more fun and fewer worries. Keep them in mind the next time you travel to a large city so that you can make the most of your visit.Choose a hotel which has a good reputation. Don’t choose just any place from a list of hotels and prices. Try to talk with someone who has been there.When you get to your hotel, leave any large amounts of cash and anything else of value in the hotel safe. Take them out only as you need them. It is wise not to show a lot of jewelry anyway. If you must keep things of value in your room, at least lock them in a suitcase before you go out.Keep young children with you at all times. Do not let them walk around without you.Do most of your daytime and all of your nighttime sightseeing in the city’s main areas. Go to other areas only when you are sure they are safe. You can walk safely through most big-city streets from around 8 a.m. to early evening. Never go to parks and beaches after dark or very early in the morning. At night, walk on busy, well-lighted main streets. Do not walk alone. Use a taxi when there is any question of safety or distance.Try to take a taxi owned by a major company. Be sure you can see the city number on the outside and the driver’s picture on the inside. If you are not sure of a taxi, ask your hotel doorman or bell captain. In New York City it is advisable to travel only in Yellow Cabs.If you have small children with you, give them, in writing, the name of your hotel，its phone number, and your room number. Tell them, if lost, to tell a policeman or call a telephone operator from a public place of business.Remember that there are lots of people to help you. Policemen and people in hotels, restaurants, stores, and banks can give you directions and information.Millions of people visit cities every year in perfect safety and have a great time. Follow these simple rules and you can too. We can tell from statements made in this article that（）.
利用定比报表可以看出哪个项目的变化比较重要。
健康企业的行为既有本阶段的特征，也有上一阶段和下一阶段的特征，使得生命周期的判断很困难。
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