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  3. Sleepwalking is a disorder characterized by walking or other activities a

Sleepwalking is a disorder characterized by walking or other activities a

游客2023-09-09  42
问题       Sleepwalking is a disorder characterized by walking or other activities a person engaged in while【C1】______ still asleep. It is especially【C2】______ among children. Each night there are several【C3】______ of non-REM and REM sleep. Sleepwalking most often occurs during deep, non-REM sleep early in the night. It can also occur during REM sleep near morning.
      The cause of sleepwalking in children is usually unknown【C4】______ may be related to fatigue, 【C5】______ sleep loss, or anxiety. Sleepwalking in adults can be associated with mental disorders, reactions to drugs and alcohol, or disease such as seizures: In the elderly, sleepwalking may be a 【C6】______ of an organic brain syndrome(综合病症) or REM behavior disorders.
      The sleepwalking activity may include simply sitting 【C7】______ and appearing to be awake【C8】______ actually being asleep, getting up and walking around, or【C9】______  activities such as【C10】______ furniture, going to the bathroom, dressing and undressing, and similar activities. Some people even drive a car while actually asleep. The【C11】______ can be very brief or can last for 30 minutes or longer.
      One common misconception is that a sleepwalker should not be awaken. It is not dangerous to awaken a sleepwalker,【C12】______ the person may be【C13】______ or disoriented for a short time on awakening. Another misconception is that a person cannot be【C14】______ when sleepwalking. Actually, injuries caused by such things as tripping and loss of balance are common for sleepwalkers. Sleepwalking affects【C15】______ 1% to 17% of children and is more frequently seen in boys. The【C16】______ of sleepwalking decreases with age.
      What causes sleepwalking is not known. Sleepwalking【C17】______ no serious health threat to those who experience it, although the risk of injury is a 【C18】______ of concern. Currently, there is nonspecific medical evidence that suggests that there may be psychiatric issues involved in sleepwalking and it is not【C19】______ or treated as a mental illness. Future research may【C20】______ the development of a medical-legal definition of sleepwalking.  [br] 【C1】
选项 A、physically
B、unconsciously
C、seemingly
D、mentally
答案 C
解析 副词辨义。根据语义判断，梦游症就是睡觉者表面看似熟睡却会在睡梦中走动或者进行其他行为活动的非正常状态。睡觉状态虽然可用unconsciously修饰，但是，由于本句将睡眠与活动进行对比，强调的是在表面看似睡眠状态下的非正常的活动即梦游，因此seemingly一词更符合题意
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