阅读理解

　　Many years ago when people had no thermometers (温度计), they usually touched a thing to see how hot or cold it was．The following experiment shows how easy it was to make a mistake．

　　Take three glasses: the first one with very hot water, the second one with very cold water, and the third one with water at room temperature．Then you put a finger of one hand in the hot water, and a finger of the other hand in the cold water．You hold your fingers in the two glasses for a minute．Then you use each finger, one after another, to see how hot or cold the water in the third glass is．You will find that the water is warm to the finger that was in the cold water before, but the finger which was in the hot water will feel cold in the same glass of water．

　　That is why you must always find the temperature in a scientific way．You must not try to tell the temperature as it seems to you．

　　You will often make a mistake if you take something that seems to you for a real fact．For example, when you are going to an Amusement park by bus and you want to get there very quickly, it seems to you that your bus is going very slowly, slower than the other buses．But if it is Sunday and you have much free time, it seems to you all the buses and cars are going very fast．

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阅读理解

　　If you want to become a better reader, what should you know about speed of reading?

　　Some people read very rapidly(很快地), while others read very slowly．But which one is better?

　　The rapid reader may be a good reader when he reads a storybook for fun．But he may not be able to slow down enough to read directions(说明)carefully．He may read so rapidly that he does not take time to understand fully the ideas and information which are important to remember．

　　The slow reader may be a good reader when he reads directions for making something．But he may spend too much time in reading a simple story which is meant to be enjoyed but is not important enough to be remembered．

　　So, you see, either a rapid reader or a slow reader is not really a good one．If you wish to become a better reader, here are four important things to remember about speed of reading．

　　1．Knowing why you are reading will often help you to know whether to read rapidly or slowly．

　　2．Some things should be read slowly throughout．Examples are directions for making or doing something, science and history books, and Maths problems．You must read such things slowly or remember each important step and understand each important idea．

　　3．Some things should be read rapidly throughout．Examples are simple stories for enjoyment, letters from friends and bits of news from hometown papers．

　　4．In some of your reading, you must change your speed from fast to slow and slow to fast, as you go along．You will need to read certain(某些)pages rapidly and then slow down and do more careful reading when you come to important ideas．

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　　Americans eat breakfast and lunch quickly unless it is a social business, or family occasion．

　　The evening meal is usually longer and it is a time for families to gather together．Running quickly through daytime meals is part of the fast pace in America．Another reason for running quickly through daytime meals is that many people eat in restaurants that are usually crowded with people waiting for a place so that they, too ,can be served and return to work at the proper time．So each one hurries to make room for the next person．There is real difference between meals that are eaten in a hurry and those that can be enjoyed slowly with friends．

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