閱讀短文，從所給的A、B、C三個選項中選出最佳選項。

Artificial intelligence( 人工智能) is the ability of a computer or a machine. The computer or the machine with AI can think and learn. It is also a field of study that tries to make computers "smart". John McCarthy, a scientist, came up with the name "artificial intelligence " over 60 years ago. Many things such as learning and problem solving can be done by computers, though not in the same way as people do.

An unusual goal of AI research is to create special computer programs. They can learn, solve problems and think logically( 合乎邏輯地). At present, AI can successfully understand human speech, recognize( 識別) human faces, operate self-driving cars and compete in some game systems like playing chess. However, some people consider AI a danger to humans if it develops too quickly. A famous British scientist also was not for this kind of technology.

Math is the basic language of AI. If students are good at math, they will be more likely to become successful AI designers in the future. We need not only bright students but average(普通的) students. As for average students, if they get enough math skills, they can also become successful AI designers. Besides, a good knowledge of computer science is also necessary for AI designing.

Scientists hope to create creative and emotional(有情感的) AI. The AI can possibly understand human feelings or create art. Many ways and tools have been tried to discover this wide and exciting field.

1.From paragraph 1, we know that_

A.all problems can be solved by computers

B.machines with AI can think and learn.

C.AI works the same way as people do

2.According to the passage, what can't AI do at present?

A.Understand human speech. B.Compete in some game systems

C.Understand human feelings

3.The underlined word. "it" in paragraph 2 refers to

A.the danger. B.a scientist. C.AI

4.According to the passage, if students want to become successful AI designers, they should learn_______ well.

A.math and art B.art and computer science. C.math and computer science

5.Paragraph 4 mainly tells us the scientists' _______about AI.

A.wishes B.worries C.feelings

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