can also learn new tricks, take photographs, and over time, develop its own unique personality.

Forpheus

Forpheus, an "athletic" robot developed by Japanese technology company Omron. It teaches users how to play ping-pong. The 10-feet-tall machine uses a camera and artificial intelligence to track the ball's speed and can predict the ball's direction correctly. The smart Forpheus can also quickly test its player's abilities and adjust the playing level, making the game fun.

Black Box VR

Though many people determine to go to the gym once a week, few reach their goal. Blace Box VR wants to change that by turning hard exercise into fun video games. Using it, gym users will find themselves fighting enemies, including big creatures-all while getting exercise.

21. What is the feature of CX-1?

A. It can be opened by facial expressions.

B. It can recognize and follow its owner.

c. It can move very fast in busy places.

D. It can sense its owner's location.

22. Who would most probably want an Aibo?

A. people who want to walk a dog.

B. People who often play tricks on others.

C. People who want to take high-quality photographs.

D. People who want a dog but can't look after a real one.

23. Which product can help people do physical exercise regularly?

A. CX-1. B. Aibo. C. Forpheus. D. Black Box VR.

　　　　　　　　　　　　　　　　　　　　B

Technology is threatening many jobs, but here's one you might not expect:actors. Technology in the entertainment business is on course to create digital actors who compete with live ones.

There's a scene in the film Blade Runner 2049 that's a miracle of modern technology. Harrison Ford plays a character named Deckard, who has aged normally since 1982's Blade Runner. Deckard reunites with a character named Rachael. In the earlier film , she was played by Sean Young, 58 now. But with the special effects she hadn't aged a bit.

Fink, who has spent a long time doing special effects, says the film has made progress in replacing real actors with digital ones. It really started with extras(临时演员). In the film Superman Returns, Superman has to land a plane in a baseball stadium. "We had 200 extras, which was what we needed," Fink says. "But there were 50,000 people in the baseball stadium -everybody else was digital." This advance in technology is saving film makers money but it hasn't been good for extras, who make hundreds of dollars a day.

Film makers are getting closer to being able to create full performances of actors who are no longer alive. Darren Hendler, a manager from one filming