首页
登录
职称英语
When a person falls asleep, all activity decreases and the muscles relax. Th
When a person falls asleep, all activity decreases and the muscles relax. Th
游客
2024-02-12
35
管理
问题
When a person falls asleep, all activity decreases and the muscles relax. The heartbeat and breathing【C1】______slow down. The person slowly becomes less aware【C2】______what may be happening all around. A sleeping person changes the【C3】______of the entire body at least a dozen times during about eight hours of sleep. The head, arms, or legs are moved more often.
Scientists study sleep【C4】______an instrument. Whether a person is【C5】______or asleep, the brain gives【C6】______electrical waves. The instrument measures and records these waves. The brain of an awake, 【C7】______person gives off about 10 small waves a second. As a person falls deeply【C8】______sleep, the brain sends out slower but 【C9】______waves. The slowest, largest waves【C10】______during the first two or three hours of a period of sleep. During slow-wave sleep, mental activity【C11】______down but does not stop. Persons awakened【C12】______slow-wave sleep can often【C13】______unclear thoughts that they had while asleep. Periods of small, fast waves, 【C14】______to those of an awake person, occur at【C15】______during sleep. During these periods of fast brain wave activity, the sleeper’s eyes move rapidly as though they were watching the【C16】______of a dream. A sleeper who is awakened during such a period probably will recall dreaming and remember【C17】______of the dream. Sleep during these periods is called dreaming sleep or REM (Rapid Eye Movement) sleep. An eight-hour period of sleep includes from three to five periods of dreaming sleep. The dreaming sleep periods【C18】______from 5 to 30 minutes【C19】______and occur every 90 to 100 minutes. The【C20】______dream periods last longer than the earlier ones. [br] 【C2】
选项
A、of
B、about
C、for
D、on
答案
A
解析
惯用衔接题。be aware of为固定搭配,意为“意识到……”,故答案为[A] of。
转载请注明原文地址:https://tihaiku.com/zcyy/3444398.html
相关试题推荐
Itisonethingtoaccuseapersonofacertaincrime,but______.A、provingiti
Wehavebeentoldthatundernocircumstances____________(不能用办公室里的电话)forperson
Abusinesslettershouldbewritteninaformalstyle______inapersonaltone.A
【S1】[br]【S9】FYoursearchisover.Iamthepersonyouarelookingfor.(你不用再去找了,
____________(说到教育),themajorityofpeoplebelievethataperson’seducationis
Anotherperson’senthusiasmwaswhatsetmemovingtowardthesuccessIhave
Anotherperson’senthusiasmwaswhatsetmemovingtowardthesuccessIhave
Anotherperson’senthusiasmwaswhatsetmemovingtowardthesuccessIhave
Anotherperson’senthusiasmwaswhatsetmemovingtowardthesuccessIhave
Anotherperson’senthusiasmwaswhatsetmemovingtowardthesuccessIhave
随机试题
72.Publicgoodsarethosecommoditieswhoseenjoymentnobodycanbeeffecti
WaterprojectsintheUnitedStatesgainedanewrationaleinthe1930sas
依据项目变更管理流程,项目中的正式变更手续应该由( )来进行审批。A.项目经理
常见的铸件表面缺陷不包括()A.粗糙 B.粘砂 C.气孔 D.缩孔
统计设计应遵循“有所不为,方可有为”的原则。( )
商业银行在贷款分类中应当做到( )。A.制定和修订信贷资产风险分类的管理政策、
正常情况下,每小时的胎动为A.1~2次 B.3~5次 C.6~8次 D.9
下面哪一项不是德育对智、体、美诸育所体现的促进功能?()A.基础作用 B
Thechangeinthatvillagewasmiraculou
管理规约的内容主要包括()A:布关物业的使用、维护、管理 B:业主的共同利益
最新回复
(
0
)