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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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
单项选择题
At the end of the passage the author states all the following EXCEPT that _______.
A．Danes are clearly informed of their social benefits
B．Danes take for granted what is given to them
C．the open system helps to tide the country over
D．orderliness has alleviated unemployment
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