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What kind of robots does the man refer to? [br] [originaltext]W: Hi, Paul, are
What kind of robots does the man refer to? [br] [originaltext]W: Hi, Paul, are
游客
2023-11-14
79
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问题
What kind of robots does the man refer to? [br]
W: Hi, Paul, are you ready for your Speech Club presentation this evening?
M: Yeah, I’ m going to discuss robots.
W: Robots? You mean those machines that walk and talk like in the movies?
M: No, industrial robots like those used in the automobile and electronic industries.
W: I saw an article about that kind of robot the other day. There were pictures of robots welding cars, but they certainly didn’t look the way I thought robots should look.
M: The robots we usually imagine are made up in science fiction. In industry, robots are designed to do a specific set of operations, such as welding car frames. They are rarely built to resemble humans.
W: Actually, all they need is a kind of brain to give signals, and a mechanism, such as an arm, to carry out instructions, right?
M: Right. Tiny computers become the brain of these robots. The computer sends signals, in the form of electronical impulses, and move an arm and a claw. The claw is the hand that does particular kinds of work.
W: OK. But we’ ye had machines on assembly lines doing work for people for years. That’s what started the industrial revolution, remember?
M: But each of those machines can only perform a single operation and it takes months to modify them. The new industrial robots can each do a number of tasks. And it’s easy to reprogram them to perform totally different operations. That’s one reason why they’re becoming so popular.
W: They increase productivity too, don’t they? I read that even though they’re still quite expensive, they often cost less per year than a worker doing the same job. I imagine robots will be used more and more.
M: Exactly. So now that you know all about the next industrial revolution, you don’t have to come to Speech Club tonight.
选项
A、many operations
B、two operations
C、a single operation
D、none of operations
答案
C
解析
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