We often praise the world of science. It explains the world and makes our lives easier with technology. One of the most exciting fields in science is artificial intelligence (人工智能,AI). This is an area where scientists are working on creating machines that think like humans.

However,one of the most famous scientists has a very dark warning for us about this type of technology.

“The development of full artificial intelligence could lead to the end of the human race,” said Professor Stephen Hawking to the BBC.

Hawking is a well-known British Physicist and writer of bestselling science book A Brief History of Time. This warning came from a serious disease called ALS; he needs an AI computer to communicate. The computer learns how Hawking thinks and suggests the words he may want to use next.

This is a basic type of AI, which is very useful, yet Hawking fears the possibility of creating technology that can match or go beyond human intelligence. And it’s easy to imagine how terrible things may be. Many TV shows and films display big, killer machines that are far cleverer than us. “Humans, who are limited by slow biological evolution(进化), couldn’t compete, ” said Hawking.

But not every scientist is pessimistic(悲观的)about AI technology. “I believe we will remain in charge of(掌控) the technology. “ The potential(潜力)of it to solve many of the world problems will be realized.” In what direction do you think AI is going? Should we be hopeful or fearful?

1.Which of the following is TRUE about AI?

A. The technology is not very popular now.

B. Scientists haven’t controlled the technology.

C. It is now much smarter than humans.

D. It makes our lives easier.

2.The writer took Hawking as an example to ____________.

A. explain how AI has helped us

B. show the great hidden use of AI

C. show AI has already become part of our life

D. suggest that AI become dangerous for humans

3.What would be the best title for this passage?

A. AI: a friend or an enemy?

B. The development of AI

C. The future of human beings

D. The fight between humans and AI

完形填空,阅读下面短文,掌握其大意,然后从各题所给的四个选项中选出一个最佳答案。

Miracles(奇迹)will happen if you don't give up trying. Even if you have _______ for one hundred times, you may succeed when you try for the 10lst time.

When I was born, my doctor told my mother that there was something wrong with my _______ . They were too soft to be able to walk. Although the news was bad, my mother didn't become

_______ . She didn't believe what the doctor said _______ started to look for other ways.

My mother kept looking for other doctors for me, and finally she _______ . The doctor and his team in the hospital did _______ they could to help me. They also asked my parents to teach me to do some _______ to help me walk. One day when my mother came to pick me _______ . I crawled(爬) towards her. She was so surprised and happy that she couldn't believe _______ eyes. Crawling was not walking, but it was a good _______ . Day by day, I could walk by myself.

When I grew up, my mother _______ told me these stories. She said that if I thought of what she said whenever I met _______ , I could do anything successfully. I have been working hard and I have turned out to be a very _______ person. I get best _______ in school and I am a good dancer and swimmer. Thanks to my mother's strong resolution(决心), I live a _______ life now. What the story tells us, as my mother always says, is: Never give up.

1.A. achieved B. failed C. suggested D. told

2.A. legs B. hands C. arms D. eyes

3.A. patient B. confident C. frustrated(沮丧的) D. proud

4.A. or B. and C. if D. because

5.A. forgot B. changed C. succeeded D. worked

6.A. nothing B. somewhere C. anywhere D. everything

7.A. time B. exercise C. medicine D. shopping

8.A. away B. from C. into D. up

9.A. her B. my C. his D. its

10.A. advice B. end C. chance D. start

11.A. hardly B. never C. always D. nearly

12.A. dreams B. experiments C. jobs D. difficulties

13.A. excellent B. dangerous C. busy D. special

14.A. presents B. friends C. books D. grades

15.A. happy B. sad C. tired D. boring

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