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 ________.
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A．a red box is heavier than a white one |
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B．a color has weight in one’s mind |
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C．white paper is lighter than red paper |
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D．you can know the weight of a color by holding it |
2.Why did the scientist say colors have smell?
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A．Because people can sense(感觉) the light from colors. |
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B．Because we can smell colors with our noses. |
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C．Because every color has its own sweet smell. |
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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__________.
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A．rise |
B．fall |
C．stay the same |
D．change now and then |
4.It can be known from the text that________.
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A．colors have order in weight |
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B．colors can change the weight of an object |
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C．people would stay longer in a room with red windows |
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D．colors can affect （影响）our mood （情绪）and health |
5.This passage is probably a __________.
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A．book review |
B．history textbook |
C．travel magazine |
D．science report |
Sitting on a chair all day in school can make anyone want to move around. So, more and more teachers are letting students have a ball. By sitting on exercise balls instead of chairs , teachers find students’ posture(姿势) and attention improve.
Dottie Pownall, a fifth-grade teacher in West Virginia, USA, has been using balls as chairs since December 2008. “The students love them”, she says. Pownall took a survey(调查) of her students. She found that 80% of the students thought sitting on the balls helped them pay more attention to what they were learning.
The teacher, Pisa Witt, felt so strongly about the use of balls as chairs, she started Witt Fitt. This company encourages the use of the balls. And the company educates not only teachers but also students on how to use them. “Our products are used in 24 states, three provinces in Canada, Puerto Rico (波多黎各) and Japan,” says Witt, “ Research shows that sitting on the balls makes them sit up straighter（直的）. You can slouch(低头垂肩地坐)on a ball,” says Witt, “but it feels bad.” Because the students are moving, their blood (血液) increases. That carries more oxygen( 氧气) to the brain , so the kids have more energy and can pay attention longer.
“Besides, they’re fun.” says Pownall.
1.What will happen if a student sits on a chair all day in school? The student will_________.
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A．pay more attention to his lessons |
B．be fun |
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C．like to move around |
D．sit up straighter |
2.How long has Dottie Pownall used the balls?
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A．About four years. |
B．Only one year. |
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C．In 2008. |
D．Since he was a fifth-grade teacher. |
3.In how many countries are the balls used as the students’ chairs?
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A．Four. |
B．Three. |
C．Two. |
D．One. |
4.Teachers choose balls instead of chairs because sitting on balls helps the kids _________.
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A．improve the students’ posture and attention |
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B．slouch on the chairs |
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C．have fun |
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D．Both A and C are correct answers |
5.Which is better for kids to study in class, sitting on a chair or sitting on a ball?
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A．Sitting on a chair. |
B．Sitting on a ball. |
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C．They are the same. |
D．We don’t know. |
Mrs. Jones was over eighty, but she still drove her old car like a woman half her age. She loved driving very fast, and was 21 of the fact that she had never, in her thirty-five years of driving, been punished 22 a driving offence (犯规).
Then one day she nearly 23 her record. A police car 24 her, and the policemen in it saw her 25 a red light without stopping. Of course, she was stopped. It seemed 26 that she would be punished.
When Mrs. Jones came up to the judge（法官）, he looked at her seriously and said that she was 27 old to drive a car, and that the reason why she had not stopped at the red 28 was most probably that her eyes had become weak 29 old age, so that she had not seen it.
When the judge had finished what he was 30 . Mrs. Jones opened the big handbag she was 31 and took out her sewing (针线). Without saying a word, she 32 a needle(针) with a very small eye, and threaded it at once.
When she had successfully done this, she took the thread out of the needle again and handed 33 the needle and the thread to the judge, saying, “Now it is your 34 . I suppose you drive a car, and that you are quite sure about your own eyesight.”
The judge took the needle and tried to thread it. After half a dozen tries, he had still not succeeded. Mrs. Jones’ record 35 unbroken.
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--- It is four years since I lived in shanghai.
---________?
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A．How long have you been there |
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B．Are you used to living there |
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C．Where have you been living now, please |
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D．Are you going to stay there longer |
I don’t know ____________.
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A．how much the population in Beijing is |
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B．what is the population of Beijing |
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C．how much is the population in Beijing |
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D．what the population of Beijing is |
I ______ this book for two weeks. I have to return it now.
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A．have borrowed |
B．have kept |
C．have lent |
D．have returned |
