更多"How is virtual reality surgery perf"的相关试题:
[单项选择]How is virtual reality surgery performed
A. It is performed by a computer-designed high precision device.
B. Surgeons wear virtual reality helmets to receive feedback provided by a computer.
C. Surgeons move robotic instruments by means of a computer linked to them.
D. A 3-D image records the movements of the surgeons during the operation.
[单项选择]Virtual reality operations are an improvement on conventional surgery in that they _______.
[单项选择]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]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.
[单项选择]Virtual reality can help future teachers learn ______.
[单项选择]The so-called "virtual reality'(Line 2, Para. 1) mentioned in the passage is actually______.
A. a Surgical tool used for operations
B. a computer system used to produce life-like illusions
C. a new kind of applications in a visual technology
D. a way to carry out operation in a visual sense
[单项选择]Any work performed by the body, no matter how small the amount, ______energy, whether one is at work or asleep.
A. spends
B. expends
C. takes
D. costs
[单项选择]Data collection should be performed by illiterate assistants,______.
A. according to Bacon, as it led to speculation
B. according to Bacon, to prevent theories from being formulated on insufficient data
C. was a notion Bacon strongly opposed
D. was a notion rejected on the grounds that it led to premature speculations
[单项选择]When has the heart-open surgery been possible
A. Only in the last fifty years.
B. From prehistoric times.
C. Since the nineteenth century.
D. Since the invention of values.
[单项选择]It can be inferred that the young plastic surgery patients in Korea______.
