题目内容
阅读理解
Take three basins, fill the first basin with water which is as hot as you are able to bear (承担) with your hands. In the second basin mix hot water with cold water. This luckwarm (微温的) water. Fill the third basin with cold water from the tap.
Now place the basins on the table. Put your right hand in the hot water. Put your left hand in the cold water. You will find that your right hand feels hot and your left hand feels cold. After twenty seconds move both your hands into the luckwarm water. What do you feel? Your left hand feels warm and your right hand feels cold. But both hands are in the same basin of water!
1.From the passage we can know that the water in the second basin is ________.
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A.either cold or warm
B.luckwarm water from the tap
C.neither cold nor hot
D.what you are able to bear your hands
2.Twenty seconds, that is to say exactly, is ________.
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3.According to the passage we know that the hand you just took out of ________ feels cold in the luckwarm water.
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4.This passage shows that ________ .
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A.When we measure something we must put both our hands into water
B.We can't really tell whether a thing is hot or cold by feeling it
C.doing experiment is the most important thing
D.basins of water can help us with everything
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