单选题：What is the chief advantage of the virtual reality technique

题目分类：理工类
题目类型：单选题
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题目内容：

What is the chief advantage of the virtual reality techniques when usedin microsurgery? A．Simulated surgery are made more realistic
B．Surgeons can do operations without considering consequences
C．Operations on human eyes become accurate
D．Surgeons need only to manipulate a set of controls

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分类：理工类题型：单选题