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Not long ago, the only time you’d see a robot was when you were reading a novel or watch a movie such as Star Wars. Today, however, science stories are fast becoming science facts. Robots are starting to make their presence felt in our everyday life.
These robots come on all sizes, shapes and colors. They all have the same type of manmade “brain”.
Leading the robot revolution are industrial robots－robots that work in factories.
Industrial robots perform different kinds of jobs that are often boring and sometimes dangerous. Robots are also coming to American homes, though not as quickly as they are entering factories. These robots aren't as friendly and bright as those you saw in Star Wars. But, their makers say, today's home robots “walk”, sense objects in their way (and sometimes knock into them), and even carry objects (which they sometimes drop). Well, nobody’s perfect.
We may laugh at home robots today, but some day they may see and hear better than humans do. We humans can only see certain wave lengths of light, and hear certain sounds. That's because the abilities of our eyes and ears are limited.
Robots, however, do not have the same limits as we do. Robots may also be equipped with devices (装置) that can pick up information humans can't.
To understand what their sensing devices pick up means a hard job. Remember manmade brains handle information, including all kinds of data (数据), as zeros and ones. Imagine the difficulty in trying to explain to a robot what a football is like－using only zeros and ones.
1．Which of the following describes the main use of robots today according to the text?
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A．Robots are becoming the helpers in American families.
B．Robots are doing different kinds of jobs in factories.
C．Robots are made to pick up information humans can't.
D．Robots are used to sense and even carry objects.
2．What did the writer actually mean when he said: “Well, nobody’s perfect. ”
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A．All humans are not perfect.
B．All robots are not perfect.
C．Don’t be too critical (挑剔) about robots.
D．Perfect humans can't be found.
3．To the writer’s idea, robots will ________ in the future.
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A．be produced in large numbers
B．take the place of humans
C．be greatly improved
D．be cleverer than humans
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If you go into the forest with friends, stay with them. If you don't, you 1 get lost. If you get lost, this is 2 you should do. Sit down and stay 3 you are. Don't try 4 your friends—let them find you. You can help them find you 5 in one place. There is another 6 to help your friends or other people to find you. You 7 shout or whistle three times. Stop. 8 shout or whistle three times again. Any signal given three times is a call 9 .
Keep up shouting or whistling. 10 three times together. When people 11 you, they will know that you are not just making a noise 12 . They will let you know that they have heard your 13 . They'll give you two shouts or two whistles. When a signal is given 14 , it is an answer 15 a call for help.
If you don't think that you will get help 16 night comes, try to make a little house 17 . Make yourself a bed with leaves and grass.
When you need some water, you have to leave your little branch house to 18 . Don't just walk away. Pick off small branches and 19 them as you walk in order to go back again easily. When you are lost, the most important thing to do is 20 .
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| The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric, 1 his mother told him he would have to return his sister's books to the library first. He had 2 se foot in a library and he wasn't about to do so today. He would just 3 the books in the outside return box. But there was a 4 ; it was locked. He went into the building, only a few minutes 5 closing time. He put the books into the return box. And after a brief 6 in the toilet, he would be on his way to the playground to 7 Eric. David stepped out of the toilet and stopped in 8 -the library lights were off. The place was 9 . The doors had been shut. They 10 be opened from the inside, he was trapped (被困)-in a library! He tried to 11 a telephone call, but was unable to 12 . What's more, the pay phones were on the outside of the building. 13 the sun began to set, he searched for a light and found it. 14 he could see. David wrote on a piece of paper:" 15 ! I'm TRAPPED inside!" and stuck it to the glass door. 16 , someone passing by would see it. He was surprised to discover that this place was not so unpleasant, 17 . Rows and rows of shelves held books, videos and music. He saw a book about Michael Jordan and took it off the shelf. He settled into a chair and started to 18 . He knew he had to 19 , but now, that didn't seem to be such a 20 thing. | ||||
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| The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric, 1 his mother told him he would have to return his sister's books to the library first. He had 2 set foot in a library and he wasn't about to do so today. He would just 3 the books in the outside return box. But there was a 4 ; it was locked. He went into the building, only a few minutes 5 closing time. He put the books into the return box. And after a brief 6 in the toliet, he would be on his way to the playground to 7 Eric. David stepped out of the toliet and stopped in 8 the library lights were off. The place was 9 . The doors had been shut. They 10 be opened from the inside, he was trapped (被困) in a library! He tried to 11 a telephone call, but was unable to 12 . What's worse, the pay phones were on the outside of the building. 13 the sun began to set, he searched for a light and found it. 14 he could see. David wrote on a piece of paper:" 15 ! I'm TRAPPED inside!" and stuck it to the glass door. 16 , someone passing by would see it. He was surprised to discover that this place was not so unpleasant, 17 . Rows and rows of shelves held books, videos and music. He saw a book about Michael Jordan and took it off the shelf. He settled into a chair and started to 18 . He knew he had to 19 , but now, that didn't seem to be such a 20 thing. | ||||
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| The books in David's schoolbag felt like bricks as he ran down the street. What he wanted to do was to play basketball with Eric, 1 his mother told him he would have to return his sister's books to the library first. He had 2 set foot in a library and he wasn't about to do so today. He would just 3 the books in the outside return box. But there was a 4 : it was locked. He went into the building, only a few minutes 5 closing time. He put the books into the return box. And after a brief 6 in the toilet, he would be on his way to the playground to 7 Eric. David stepped out of the toilet and stopped in 8 - the library lights were off. The place was 9 . The doors had been shut. They 10 be opened from the inside, he was trapped(被困) - in a library! He tried to 11 a telephone call, but was unable to 12 . What's more, the pay phones were on the outside of the building. 13 the sun began to set, he searched for a light and found it. 14 he could see. David wrote on a piece of paper: " 15 ! I'm TRAPPED inside!" and stuck it to the glass door. 16 , someone passing by would see it. He was surprised to discover that this place was not so unpleasant 17 . Rows and rows of shelves held books, videos and music. He saw a book about Michael Jordan and took it off the shelf. He settled into a chair and started to 18 . He knew he had to 19 , but now, that didn't seem to be such a 20 thing. | ||||
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