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[originaltext]W: Hi, Paul. All set for your speech club presentation this eveni
[originaltext]W: Hi, Paul. All set for your speech club presentation this eveni
游客
2024-03-03
34
管理
问题
W: Hi, Paul. All set for your speech club presentation this evening?
M: Yeh, 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 which were used in automotive and electronics industries.
W: Come to think of it, 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 1 thought robot should look.
M: The robots we usually imagine are made up in science fiction. In industry robots are designed to do 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 mechanism such as an arm to carry out instructions, right?
M: Right! Tiny computers become the brains of these robots. The computers send signal in a form of electrical impulses that move an arm and a claw. The claw does particular kind of work.
W: Ok. but we have machines on the assembly line 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, don’t they? I read that even though they are 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.
选项
A、They are smarter than human workers.
B、They are more productive than human workers.
C、They are very durable.
D、They are easy to design.
答案
B
解析
[听力原文]
According to the woman, why are robots becoming more widely used?
[听前预测] 根据选项可知本题与They的优点有关,因此听录音时要注意对They的优点的介绍。
[答案详解] 目的原因题[考频:4]。本题关键句为“They increase productivity... I imagine robots will be used more and more.”女士认为机器人提高了生产率,……因此她认为机器人会被更广泛地应用。故正确答案为B)。
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