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

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单项选择题

Throughout the passage, the writer's tone towards the DNB was______.

A．complimentary.
B．supportive.
C．sarcastic.
D．bitter.

单项选择题

Which of the following conclusion drawn from the passage is NOT true

A．French people are leisurely people.
B．French people are now working 35 hours a week.
C．They world is getting busier.
D．In the near future, people will work much less in a week.