单项选择题

It can be inferred from the passage that, compared to conventional X-ray techniques, computed to- mography is more _________.

A．compact
B．rapid
C．economical
D．informative
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单项选择题
According to the passage, computed tomography can be used for all of the following EXCEPT _________.
A．monitoring a patient's disease
B．diagnosing disorders
C．locating tumors
D．reconstructing damaged tissues
单项选择题
According to the passage, the author believes that TV is _________.
A．dangerous
B．entertaining
C．friendly
D．indispensable
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