阅读理解 Many years ago when people had no thermometers, 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: 题目和参考答案——青夏教育精英家教网—

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．

(1)

The experiment tells us that sometimes it is ________ to make a mistake．
[　　]
A．	interesting
B．	difficult
C．	easy
D．	helpful

(2)

The water in the third glass is ________．
[　　]
A．	colder than the water in the first glass
B．	hotter than the water in the first glass
C．	colder than the water in the second glass
D．	as cold as the water in the second glass

(3)

What will you find if you put the finger which was in the first glass into the second glass according to the experiment?
[　　]
A．	The water is hotter than it is in the first glass．
B．	The water is as hot as it is in the first glass．
C．	The water is at room temperature．
D．	The water is colder than it is in the first glass．

(4)

How should we find the temperature according to the passage?
[　　]
A．	Try to tell as it seems to us．
B．	Try to use our fingers
C．	Try to tell in a scientific way．
D．	Try to touch something to see how hot it is．

(5)

We can learn something about ________ from the passage．
[　　]
A．	physics
B．	chemistry
C．	psychology(心理学)
D．	biology(生物学)

答案：1．C;2．A;3．D;4．C;5．C;

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阅读理解

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