题目内容
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[主观题]
Which of the following statements is NOT true according to the passage？A．Getting too littl
Which of the following statements is NOT true according to the passage？
A．Getting too little sleep is the commonest sleep trouble with most Americans who have sleep trouble.
B．At least twenty percent of Americans don' t have enough sleep every night.
C．Our brains will force us to sleep when we have piled up too large a sleep deficit
D．Seven or eight hours of sleep every night is enough for people of different ages.
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