Once a circle(圆圈) lost a piece. The circle wanted to be whole, so he went around 36 for the missing piece.
Because he was incomplete(不完整的), he rolled very 37 . He saw the beautiful flowers along the road, talked with the 38 and enjoyed the sunshine on his way. He found 39 different pieces, but 40 of them fit him. So he left them all by the side of the road and 41 searching(搜索).
One day 42 circle found the right piece. It fit him perfectly. He 43 be whole, with nothing missing. He was so happy. He could roll very fast, 44 fast to notice the flowers and talk to the birds. 45 he found how different the world seemed as he rolled so quickly, he stopped. He 46 the found piece by the side of the road and rolled slowly away.
A person who has everything is 47 in some ways. He will 48 have hopes and dreams. We can’t be perfect, but we can be kind enough to share happiness with others 49 smart enough to know there is enough 50 around us to live a wonderful life.
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---- My mother is ill in hospital?
---- _________.
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A．I don’t think so. |
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B．Oh, she is unlucky. |
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C．No problem. |
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D．I’m sorry to hear that. |
---- Do you know Jack well?
---- Certainly, we _________ friends since ten years ago.
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A．were |
B．have made |
C．have become |
D．have been |
The box is too heavy for me _________.
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A．carrying |
B．carries |
C．carry |
D．to carry |
It _________ rain this afternoon, but I am not sure.
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A．will |
B．can |
C．must |
D．may |
Computers can injure you. Most other injuries happen suddenly. For example, if you fall off a bike and break your arms, it happens very quickly. But computer injuries slowly.
You probably know how to ride a bike safely. Now learn to use a computer safely.
Your eyes
Too much light can injure your eyes, so never sit too close to a computer screen. Your eyes should be at least 50 centimeters from the screen. Remember to look away from it sometimes. This gives your eyes a rest.
When you use a computer, the window should be on your left or your right. If it is behind you, the light will reflect on (反射) the screen. If the window is in front of you, the sun and the screen will both shine into your eyes.
Your hands and wrists (手腕)
Hand and wrist injuries can happen because the hands and wrists are moved in the same way hundreds of times. If you use a keyboard for a long time, follow these three rules: 1) Rest your wrists on something. 2) Keep your elbows at the same height as the keyboard. 3) Stop something and exercise your hands, wrists and fingers in a different way.
Your back
Some people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should all be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel (平行) to the floor. If you are sitting for a long time, get up every 30 minutes and exercise your arms, legs and necks.
Enjoy your computer, but use it safely.
1.A computer screen may injure your eyes if __________.
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A．you sit 60 centimeters away |
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B．you remember to look away |
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C．your eyes are too close to it |
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D．the window is on your left or your right |
2.Hand and wrist injuries are caused when you _________.
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A．get plenty of exercise |
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B．move in the same way again and again |
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C．rest your wrists on something |
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D．keep your elbows as high as the keyboard |
3.Your eyes and hands will be safe if __________.
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A．you work near a window |
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B．you often take a rest from working |
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C．you use a keyboard for a long time |
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D．the window is behind you |
4.It is good for your back and neck if you sit __________.
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A．in the right way |
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B．for many hours |
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C．with the screen below your eyes |
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D．with your back leaning forward |
5.What would be the best title for the passage?
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A．How to protect your eyes. |
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B．How to protect your hands and wrists. |
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C．How to use a computer safely. |
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D．How to protect your back. |
