There are many colors in nature. But do you know if a color has weight? I think you’ll say “no . But I am afraid you are wrong. If you don’t believe, you may do a small experiment. First, put two o 题目和参考答案——青夏教育精英家教网—

题目内容

There are many colors in nature. But do you know if a color has weight? I think you’ll say “no”. But I am afraid you are wrong. If you don’t believe, you may do a small experiment.

First, put two objects（物体） with the same weight into two boxes. Then cover the box. Third, wrap(裹) one box with a red piece of paper, the other with a white piece of paper. OK. Now hold the boxes with your hand one by one. It is certain that you will think the red one is a little heavier.

Why do you think so? A scientist found that different colors have different weights in a man’s mind. So he did many tests and at last he got the result. That is to say, every color has its own weight in our mind and their order is the same. The heaviest color is red, then blue, green, yellow and white.

The scientist told us that colors also have smell. Can you smell the color? Of course not. Then why did the scientist say so? That is because every color stands for (代表)a kind of light with a certain wavelength(波长). It reaches our brain through sense organs(感觉器官).

According to this discovery, scientists say that people accept the colors they like, and refuse the colors they hate. So your body and mind will be healthy by using the colors you like. Or you’ll be nervous or ill. For example, if you stay in a room with red windows, wallpapers and furniture for two hours, you’ll feel you have been there for four hours. But if the room is blue, you’ll feel you have been there for only an hour. Another example, if a person walks out of a red room and into a blue room, his temperature will fall. That means our body temperature will change with different colors.

1.The idea of the second paragraph is to tell us ________.

A．a red box is heavier than a white one

B．a color has weight in one’s mind

C．white paper is lighter than red paper

D．you can know the weight of a color by holding it

2.Why did the scientist say colors have smell?

A．Because people can sense(感觉) the light from colors.

B．Because we can smell colors with our noses.

C．Because every color has its own sweet smell.

D．Because every color can give off light of the same length.

3.If a person walks from a blue room to a red room, his body temperature will__________.

A．rise

B．fall

C．stay the same

D．change now and then

4.It can be known from the text that________.

A．colors have order in weight

B．colors can change the weight of an object

C．people would stay longer in a room with red windows

D．colors can affect （影响）our mood （情绪）and health

5.This passage is probably a __________.

A．book review

B．history textbook

C．travel magazine

D．science report

【答案】

1.B

2.A

3.A

4.D

5.D

【解析】

试题分析：

1.归纳题：通读第二自然段，很容易理解该实验的四个步骤：首先是将两个重量相同的物体分别放进盒子里。然后将盒子盖上。接下来用一张红色纸将其中的一只盒子包上，另一只盒子用白色的纸。最后是将这两个盒子放在手中掂一掂。由此可得答案是B，颜色是有重量的。

2.第四自然段首句的“The scientist told us that colors also have smell.”这句话中。可知答案是A

3.推理题;从最后一段的句子：Another example, if a person walks out of a red room and into a blue room, his temperature will fall.可知从蓝色房间进入红色房间，体温会上升。选A

4.细节题：从文章的句子：So your body and mind will be healthy by using the colors you like. Or you’ll be nervous or even get ill.可知颜色影响人的情绪和健康。选D

5.这是一篇科普文章，应该出现在科学报告中。选D

考点：考查科普类短文

点评：这是一篇有关颜色的科普小品文。实验表明，在人的感觉中，颜色不仅具有重量，而且还有气味。更为有趣的是，不同的颜色对人的心情、健康还有影响呢。要求考生仔细阅读文本，耐心审题，结合题目做出准确的定位判断。

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