题目内容：

    “Mirror, mirror on the wall, who’s the fairest of them all?” An old tale tells a seemingly unbelievable story of a magic mirror, but now the magic is no longer unachievable.

In August 2018, news went widely-spread that the police had caught criminal suspects who attended Chinese singer Jacky Cheung’s concerts. How did the police pick out the suspects among thousands of screaming fans? The helping hand is AI facial recognition technology. The low-key yet powerful tool is no longer far-fetched, but entering the world of China’s top investors and companies.

Facial recognition is a technology able to identify a person from a digital image or a frame from a video source. Tang Wenbin, CTO of Face ++, an AI computer vision (视觉) technology company in China, vividly explained the workflow. According to him, facial recognition is the identification of our appearance, including knowing the sex, age and identity of a person. You may think it is like a brain or a neural network. You use data to train it, and then, it learns the pattern.

Facial recognition technology has been traditionally allied with the security work but today there is active expansion into other industries including mobile phones, marketing and finance. Chinese start-ups have seen the potential of Al facial recognition for simplifying and speeding up tasks in multiple industries. And the market is now crowded and competitive.

China is starting the AI revolution and has made breakthroughs in facial recognition. "If applying AI to different industries is a marathon, the companies there probably have just got off the blocks, "said Tian Feng, director of Alibaba Cloud Research Center. He also thinks that in the future, everybody will be able to use AI as it will soon become a basic tool for work and life.

1.Why is the news mentioned in paragraph 2?

A.To introduce a new tool for companies.

B.To show the magic has become a reality.

C.To prove old tales are based on true stories.

D.To describe the background of facial recognition.

2.Which of the following best explains “allied with” underlined in paragraph 4?

A.Dependent on. B.Compared with.

C.Different from. D.Related to.

3.What do Tian Feng’s words imply?

A.Many companies in China are researching AI.

B.Al plays a key role in companies' development.

C.Al technology applied now is far from mature.

D.Al technology will be used in marathons one day.

4.What can be a suitable title for the text?

A.The eye of AI in China

B.Effects of AI technology

C.Breakthroughs of Chinese technology

D.Facial recognition in security