单项选择题

The writer makes it obvious that______

A．sleepwalkers are often awakened by dangers
B．the underlying cause of sleepwalking is more serious than sleepwalking itself
C．most sleepwalkers are deranged or insane
D．All of the abov

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单项选择题

Who was supposed to be the world's champion sleepwalker

A．The man walked sixteen miles along a dangerous road.
B．The boy walked five hours in his sleep.
C．The student habitually walked to the Iowa River and swam in his sleep.
D．The man danced a minuet in his sleep.

单项选择题

Dr. Zelda Teplitz ______.

A．studied sleepwalking for at least ten years.
B．concluded that sleepwalkers are partially asleep in their sensory area.
C．maintained that it is a mistaken belief that sleepwalkers are immune to injury.
D．A and B