（ ）is a computer technology that headsets ，sometimes in combination With physical spaces or multi—projected environments，to generate realistic images ，sounds and other sensations that simulate a user's physical presence in a virtual or imaginary environment.A.virtual realityB.ClouD.computingC.Big dataD.Internet+
（ ）is a computer technology that headsets ，sometimes in combination With physical spaces or multi—projected environments，to generate realistic images ，sounds and other sensations that simulate a user's physical presence in a virtual or imaginary environment.
A.virtual reality
B.ClouD.computing
C.Big data
D.Internet+
B.ClouD.computing
C.Big data
D.Internet+
参考解析
解析：参考译文虚拟现实是一种计算机技术，使用头戴式视图器与物理空间或多投影环境结合，产生现实的图像、声音和其他感觉，模拟用户在一个虚拟的或想象的环境中的真实存在。A. 虚拟现实 B. 云计算C. 大数据 D.互联网+
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