题文

完形填空.

Take three basins. Fill the first basin with water which is as hot as you are able to bear with your hands. In the second basin mix hot water with cold 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. After twenty seconds move both your hands into the lukewarm (微温的)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. The writer is talking about _        .

A. hot water             B. cold water C. basins                 D. an experiment

2. How many basins are needed in this experiment?

A. One.     .             B. Two. C. Three.                 D. Four.

3. Your left hand feels warm and your right hand feels cold in the same basin because           .

A. they are in different basins of water B. your right hand is stronger than your left hand C. your left hand is stronger than your right hand D. they were in different basins of water a short time ago

4. After putting your hand in the cold water, you put it in the hot water. You will find      .

A. the water too hot for you to bear B. the hot water is lukewarm C. the water is cold D. your hand turns black

5. This experiment shows that         .

A. sometimes our senses deceive(欺骗) us B. we can always get to know whether something is hot or cold by feeling it with our hands C. hot water and cold water do not mix D. one of our hands is stronger than the other

题型：阅读理解  难度：中档

答案

1~5DCDAA

据专家权威分析，试题“完形填空. Take three basins. Fill the first basin with wat..”主要考查你对  科教类阅读  等考点的理解。关于这些考点的“档案”如下：

科教类阅读

考点名称：科教类阅读

• 科普类的阅读：
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  如果是介绍社会现象的文章，要掌握所谈现象的内涵。

• 答题技巧：
  1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和
     关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。
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