单项选择题

Virtual reality operations are an improvement on conventional surgery in that they _______.

A．cause less pain on the wounded
B．allow the patient to recover more quickly
C．will make human surgeons' work less tedious
D．are done by robot surgeons with greater precision
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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
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
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