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(進化), couldn’t compete, ” said Hawking.

But not every scientist is pessimistic(悲觀的)about AI technology. “I believe we will remain in charge of（掌控) the technology. “ The potential(潛力)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

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Prepare your bedding.

You'll want your guests to be able to relax in comfort. Put something soft to lie on on the floor: A blow-up air mattress or thick comforters may work well. Fill the tent with soft toys and blankets (毯子). Have lightweight sleeping bags or cotton blankets. They are especially important because the night temperatures may drop greatly.

Prepare a seating area.

If you have a picnic table, that would work best. If not, set up a few chairs and a small table to set out drinks and food. A simple choice is to lay out a blanket in the sun, so that your friends can eat and talk. Be sure the grass isn’t wet!

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