Imagine a time     1     people feel like they’re inside their favorite video games, or can travel the world without leaving home. This     2     (become) possible as virtual reality (VR) continues to develop. Experts say VR was a hot topic at the 2015 International Consumer Electronics Show (CES)     3     (hold) on January 6 in Las Vegas, Nevada. Of the     4     (approximate) 3,900 exhibitors at the show, more than a dozen showed off their achievements on VR technology.

VR technology started with games, but developers say it has the potential to transform     5     aspects of our life.

Manuel Gutierrez-Novelo, co-founder of Immersion-VRelia, says VR can be a great tool for     6     (educate). “We can create an animation of the solar system or the molecular (分子的) structure of water,” he says. “If you see them in a virtual reality environment, not reading about them in a book     7     watching a video, I believe you will be able to learn about these things better.”

According to Nick Nassiri of Razer, innovations (新发明) in virtual reality will keep     8     (come) up. He believes they'll happen first in gaming, then extend     9     other areas including medicine and education. “The key is getting it right in gaming,” he says. “And then     10     rest will come.”

2 . Virtual (虚拟的) reality is the latest and hottest type of computer game available. Players love it because it’s the first game that lets them feel as though they are _________ inside the game, taking part in the action around them.

Through the magic of virtual reality, you can become a boxer or _________ into a robot by simply putting on a (n) _________ and slapping up to the controls. The key to the “reality” you feel is the helmet. It _________ your eyes and ears, blocking off your normal vision and _________. Turn on a switch and you’re _________ by the sights and sounds of the game world.

In the boxing game, you hear cheering crowds and loud voice of an announcer _________ out instructions. Then you _________ yourself stand in a boxing ring, face to face with a strong and _________ opponent. The bell rings for the first round and you begin fighting.

Virtual reality games are the most complex interactive games, which involve the most advanced game technology ever __________.

It is important to understand the difference between interactive and passive __________. Watching television is __________, because you don’t have to do anything accept __________ your eyes open. __________ computer games are interactive because what you do __________ how the game turns out: if you don’t find the right secret tunnels, you can’t escape the dangerous castle, and unless you __________ the traps along the way, you die and the game is over.

The __________ of virtual reality are far from finished. They dream of one day coming up with a game world that players won’t be able to __________ apart from the real thing. It will __________ people to feel, and even taste and smell the environment they have __________ According to the game developers. It’s only a matter of time.