2. 职称英语
  3. If someone is sleepwalking, they are walking around while they are asleep. Sl

If someone is sleepwalking, they are walking around while they are asleep. Sl

游客2025-06-24  0
问题    If someone is sleepwalking, they are walking around while they are asleep. Sleepwalking happens when a person is not fully asleep but not quite awake (清醒的). Usually we move from our deepest levels (层面) of sleep to a lighter level and stay there. Sleepwalkers come right up to wake levels but do not fully awaken. It is at this time that they get up and walk.
   The longer a person stays in deep sleep, the more time there is for the sleep to be broken. That opens up the possibility (可能性) of being awakened (but not fully) and of sleepwalking.
   Sleepwalking happens more often among young people than grown-ups because young people usually have more deep sleep. Up to 7% of 5 to 12-year-olds sleepwalk, while only about 2% of grown-ups sleepwalk. We get less deep sleep as we are getting older and the possibility of sleep- walking is also reduced.
   Sleepwalking may run in families, too. If one of your parents was a sleepwalker, you have about a 50% possibility of also being a sleepwalker. [br] What does "reduced" mean in "...the possibility of sleepwalking is also reduced"?
选项 A、Cut down.
B、Opened up.
C、Kept on.
答案 A
解析 猜词题。从第二段“The longer a person stays in deep sleep, the more time there is for the sleep to be broken.”和第三段“We get less sleep as we are getting older.”可知，年纪越大深度睡眠时间越短，梦游的可能性也就越低。故A选项符合题意。
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