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Dear Li Ming,

This Sunday we¡¯ll go to the nursing home and did some voluntary labor. You were out, while I dropped in on you. However, I had to leave a message to you. According to the monitor said, we¡¯ll meet at the gate of our school at 9:30 tomorrow morning and start out together with bike. So you should take their bike and don¡¯t forget to take some washing powder, barber tools and weeding tool. We will help with washing clothes, cutting their hair and get rid of some weed in the garden. Lastly, you should remember to take some food for the lunch because we¡¯ll stay here and chat with them at noon. If you come back, please phone me at once.

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¡¾ÌâÄ¿¡¿I was really worried about you. You _______________ home without a word.

A. mustn¡¯t leave B. shouldn¡¯t have left

C. couldn¡¯t have left D. needn¡¯t leave

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¡¾ÌâÄ¿¡¿2017 was an influential year for artificial intelligence (È˹¤ÖÇÄÜ), not just in terms of the advancement of the technology itself, but also for the development of our understanding of AI¡¯s impact on our society.

When we talk about AI, often we focus on the belief that it is going to take away certain types of jobs. However, we often ignore the fact that this technology will also slowly spread into most of our lives.

Thanks to the development of AI, we are on the highway of IA, (human) intelligence augmentation (ÔöÇ¿). Despite the great steps we¡¯ve made in AI development and will continue to make in 2018, we are still years away from AI fully replacing human jobs. However, we are much closer to seeing the impact of AI spread into almost every job and the growth in human intelligence.

Take a doctor for example: AI will soon be able to detect and diagnose common diseases more quickly and accurately than humans. Now, doctors can spend more of their time explaining the possible diagnoses, communicating with patients and developing unique, reliable treatment plans that are most effective for each specific patient.

However, AI is so powerful and its adoption will only accelerate as it begins to help our work and allow us to focus on the parts of our job that are most important. But part of why AI is so attractive is also why it¡¯s so dangerous. That is, that same power allows AI that are making incorrect decisions to do so with greater speed and impact than humans have ever had.

This is why, as AI becomes more useful in 2018, it will also become more closely examined. 2018 will be the year when companies purchasing AI products don¡¯t just ask about the power of AI¡ªthey will make sure that it is tested carefully in advance, minimizing their potential unexpected impact.

¡¾1¡¿What does the author suggest in the first two paragraphs?

A. Many jobs should be replaced by AI in the future.

B. People should think more about the impact of AI.

C. AI is too abstract for ordinary people to understand.

D. People care little about the development of AI.

¡¾2¡¿The author takes the example of ¡°the doctor¡± to explain that .

A. AI always makes right decisions

B. doctors will lose their jobs very soon

C. human intelligence grows with AI

D. humans are no better than AI in medicine

¡¾3¡¿What will be the focus about AI in 2018 according to the author¡¯s prediction?

A. The safety of AI. B. The possibility of replacing humans.

C. Cost reduction. D. Power augmentation.

¡¾4¡¿What is the author¡¯s attitude towards AI?

A. Indifferent. B. Negative.

C. Doubtful. D. Objective.

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¡¾ÌâÄ¿¡¿ His efforts to raise money for his program were _______ because no one showed any intention to take a cent out of their pockets.

A. in place B. in sight

C. in vain D. in effect

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¡¾ÌâÄ¿¡¿Students are getting creative and working hard to take of the digital age.

A.advantage B.use C.benefit D.value

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¡¾ÌâÄ¿¡¿Nowadays the power of the wind is being __________ to generate electricity.

A. harnessed B. made

C. produced D. exploited

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¡¾ÌâÄ¿¡¿While protests have removed the president from his position, the country has been suffering a sharp _____ in its economy.

A. decline B. decoration C. tendency D. frequency

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¡¾ÌâÄ¿¡¿Whenever I met her£¬__________ was fairly often, she greeted me with a sweet smile.

A. who B. which

C. when D. that

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¡¾ÌâÄ¿¡¿As we all know, Michael Jackson lived __________ terrible life for many years when he was __________ child.

A. a; a B. /£»a

C. the; a D. /£»the

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