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

Millions do it In this sentence do it refers to _______.

A．feeling uncomfortably not on the equator
B．flying over the North Pole
C．flying over the equator
D．making homes on the equator

单项选择题

It is delight to fly at the Pole because there _______.

A．planes fly higher than at the equator
B．the eyes can reach about 4,000 meters
C．planes are clear of bad weather
D．planes fly more quickly than at the equator