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（ ）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+
参考答案
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+
更多 “（ ）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+ ” 相关考题
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（5）应选（ ）。
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B.work
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Instruct User1 to create a new user certificate on Computer2.B
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单选题A user is receiving an error about not having enough virtual memory. A technician wants to manually set the amount of available virtual memory for the computer. At a MINIMUM， the technician should set the virtual memory to be which of the following？（）A
0.5 times the amount of physical memoryB
1.5 times the amount of physical memoryC
2 times the amount of physical memoryD
Equal to the amount of physical memory
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单选题You dropped a schema of a user in an Oracle 10g by mistake. You decide to flash the database back to its previous state to restore the deleted schema. Which process writes the before images of the physical database blocks to the flashback database logs？（）A
LGWRB
DBWRC
MMOND
RVWR
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Use the Refresh Computer method for the sales department computers. Use the Replace Computer method for all other computers.C
Use the Upgrade Computer method for the sales department computers. Use the Refresh Computer method for all other computers.D
Use the Upgrade Computer method for the sales department computers. Use the Replace Computer method for all other computers.
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单选题The Chinese sometimes feel obliged to simulate reluctance when they are quite willing.A
stimulateB
pretendC
resembleD
presume
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The greatest breakthrough of computer technology was in the late’ 70s.B
A great change in renewable energy technology will occur quite soon.C
The “green power” program and the development of personal computer are of equal significance.D
Solar energy will replace all other energies in about ten years’ time.
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