Virtual reality is a system that can create ______ in which one senses and manipulates virtual objec
A.a computer simulated environment
B.a real world
C.many worlds
D.a real situation
A.a computer simulated environment
B.a real world
C.many worlds
D.a real situation
We can infer that current virtual reality devices ______.
A.still need improving to create a perfect virtual world
B.are already perfect to create a virtual world
C.are unable to create a virtual world
D.are harmful to users of virtual reality
A.Patients. B.Peasants.
C.Pilots. D.Architects.
A.A. Not any
B.B. A little
C.C.ought
D.D. Most
According to the text, what is the ultimate purpose of virtual reality in education?
A.To give special students a chance to experience life in the outside world.
B.To train teachers to work with students with special needs.
C.To allow special students to learn life-skills in a safe environment.
D.To prepare special students to transition into mainstream society.
What is the chief advantage of the virtual reality techniques when used in microsurgery?
A.The medical students and surgeons can use it to practise simulated surgical operations as if operating on a real patient.
B.Medical students and surgeons can do any operations without considering their consequences.
C.It helps to do operations on human eyes extremely accurately.
D.It allows surgeons and their students to set their imagination free.
A.VR
B.灵境技术
C.虚幻镜像
D.人工环境