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What are special effects？ Do you enjoy movies that use a lot of special effects？
Dinosaurs from the distant past！ Space battles from the distant future！ There has been a revolution in special effects， and it has transformed the movies we see.
The revolution began in the mid-1970s with George Lucass Star Wars， a film that stunned （使震惊） audiences. That revolution continues to the present， with dramatic changes in special-effects technology. The company behind these changes is Lucass Industrial Light & Magic （ILM）. And the man behind the company is Dennis Muren， who has worked with Lucas since Star Wars.
Murens interest in special effects began very early. At age 6， he was photographing toy dinosaurs and spaceships. By 10， he had an 8-millimeter movie camera and was making these things move through stop-motion. （Stop-motion is a process in which objects are shot with a camera， moved slightly， shot again， and so on. When the shots are put together， the objects appear to move.）
Talk to Muren and youll understand what ILM is all about： taking on new challenges. By 1989， Muren decided he had pushed the old technology as far as it would go.
He saw computer graphics （CG） technology as the wave of the future and took a year off to master it.
With CG technology， images can be scanned into a computer for processing， for example， and many separate shots can be combined into a single image. CG technology has now reached the point， Muren says， where special effects can be used to do just about anything so that movies can tell stories better than ever before. The huge success of Jurassic Park and its sequel， The Lost World， the stars of which were computer-generated dinosaurs， suggests that this may very well be true.
16. The special-effects revolution began in the mid-1980s with Star Wars
A. Right B. Wrong C. Not mentioned
17. ILM is the company responsible for many of the changes in special effects
A. Right B. Wrong C. Not mentioned
18. Dennis Muren started schooling at a very early age.
A. Right B. Wrong C. Not mentioned
19. By age 10， Muren was able to use computer graphics to make things seem to move.
A. Right B. Wrong C. Not mentioned
20. With the stop-motion process， many separate shots can be combined into a single image.
A. Right B. Wrong C. Not mentioned
21. Muren feels that with CG technology， just about any special effect can be achieved.
A. Right B. Wrong C. Not mentioned
22. Todays movies are emphasizing special effects at the expense of the story.
A. Right B. Wrong C. Not mentioned