单项选择题

What are the usual results of the bypass operation

A．The patient is relieved of pain.
B．The patient's arterial condition is permanently cured.
C．The patient has a 50% chance of being incapacitated again within a year.
D．The patient is not likely to have trouble in his other arteries if he has one artery bypass by surgery.

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单项选择题

How does the medical profession regard the bypass operation

A．Many doctors believe it to be the best answer for reducing heart disease.
B．Many doctors think it should be used to prevent clogged arteries.
C．Many doctors think the sooner it is used for a patient with early arterial disease, the more effective it is.
D．Many doctors question the advisability of its use where only one artery is affected.

单项选择题

What does the word advanced (Sentence 2, Para.4) refer to A) Improved. C) Progressed. B) Getting old. D) Complex.

A．What does the word "advanced" (Sentence 2, Para.4) refer to
B．Improved.
C．Getting old.
D．Progressed.
E．Complex.