单项选择题

Richard Satava has visions of _______.

A．using a remote-control technique to treat wounded soldiers fighting overseas
B．wounded soldiers being saved by doctors wearing virtual reality helmets on the battlefield
C．wounded soldiers being operated on by specially trained surgeons
D．setting up mobile surgical units overseas
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单项选择题
According to Richard Satava, the application of virtual reality to medicine _______.
A．will enable surgeons to be physically present on every battlefield
B．can raise the spirits of soldiers wounded on the battlefield
C．will greatly improve medical conditions on the battlefield
D．can shorten the time for operations on soldiers wounded on the battlefield
单项选择题
During virtual reality operations, the surgeon can have a better' view of the cuts in the body because
A．he is looking at the cuts on a computer screen
B．the cuts can be examined from different angles
C．the cuts have been highly magnified
D．he is wearing 3-D glasses
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