单项选择题

Most of people are afraid of being operated on _______.

A．in spite of improvements in modem surgery
B．because they think modern drugs are dangerous
C．because they do not believe they need anesthetics
D．unless it is an emergency operation

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热门试题

单项选择题

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.

单项选择题

The word vista in the last line refers to _______.

A．support
B．prospect
C．history
D．visit