首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
When you first drift off into slumber, your eyes will roll about a bit, your temperature will drop slightly, your muscles will r
When you first drift off into slumber, your eyes will roll about a bit, your temperature will drop slightly, your muscles will r
admin
2022-07-08
15
问题
When you first drift off into slumber, your eyes will roll about a bit, your temperature will drop slightly, your muscles will relax, and your breathing will become quite regular. Your brain waves slow down a bit, with the alpha rhythm predominating for the first few minutes. This is the first stage of sleep. For the next 30 minutes or so, you will drift down through Stage 2 and Stage 3. The lower your stage of sleep, the slower your brain waves will be. About 40—60 minutes after you lose consciousness, you will reach the last stage. Your brain waves will show the delta rhythm.
You may think that you stay at this deep stage all the rest of the night, but that turns out not to be the case. About 80 minutes after you fall into slumber, your activity cycle will increase slightly. The delta rhythm will disappear, to be replaced by the activity pattern of brain waves. Your eyes will begin to dart around under your closed eyelids. This period of Rapid Eye Movements lasts for 8—15 minutes and is called REM sleep. During both light and deep sleep, the muscles in your body are relaxed but capable of movement. As you slip into REM sleep, a very odd tiling occurs—most of the voluntary muscles in your body become paralyzed. Although your brain shows very rapid bursts of neural activity during REM sleep, your body is incapable of moving. REM sleep is accompanied by extensive muscular inhibition.
The first paragraph of this passage tells us about________.
选项
A、the rhythms of brain waves
B、the daily activities of sleep
C、the stages of sleep in cycles
D、the daily activities in cycles
答案
C
解析
题目问第1段的主要内容。第1段分别提到了睡眠开始阶段,以及进入到第2、3和最后一个睡眠阶段的各种表现,由此可知,第1段的主要内容是介绍睡眠的4个阶段,因此答案为C项。A项“脑电波的节奏”、B项“睡眠的日常活动”和D项“睡眠阶段的日常活动”均与语境不符,可排除。
转载请注明原文地址:https://kaotiyun.com/show/wo0O777K
本试题收录于:
CATTI二级笔译综合能力题库翻译专业资格(CATTI)分类
0
CATTI二级笔译综合能力
翻译专业资格(CATTI)
相关试题推荐
Listentothefollowingpassage.WriteinEnglishashortsummaryofaround150wordsofwhatyouhaveheardontheANSWERSHEET
Theworldhasexperienced【L1】______urbangrowthintherecentdecades.Asmuchas3%ofEarth’s【L2】______hasbeenurbanized,a
Allofthepeopleshoppingatthecity’smainvegetablemarketbringtheirownclothbagstocollecttheirgoods.
Howdoconfidentpeopleapproachlife?Herearejustsomeofthewaysworthlearning.1.Confidentpeoplearemoreproducti
Spurredbyawarmingclimate,daily【C1】______hightemperaturesoccurredtwiceasoftenasrecordlowsoverthelastdecadeacros
Currenttoolssuchasbrainscansandspinalfluidtestsaretoocostlyordifficulttododuringregularmeetingswithpatients
Beingassertiveisbeingabletocommunicatewithotherpeopleclearly.Ifyoufeltthatyouhadexpressedwhatwasimportantto
Thelegislatureshallprovideforthemaintenanceandsupportofasystemoffreecommonschools,whereinallthechildrenofth
A、Theyarewaitingfortheirturntofileaclaimforunemployment.B、Theyarewaitingtotalktotheirboss.C、Theyarewaiting
A、She’swaitingforherfather.B、She’shavingherbicyclerepaired.C、ShewantedtosurpriseJohn.D、Sheworksthere.D
随机试题
肿瘤分期是指
A、窝沟封闭B、根管治疗C、口腔健康教育D、预防性填充E、早期填充三级预防
烯烃在一定条件下发生氧化反应时,C=C双键发生断裂,RCH=CHR’可以氧化成RCHO和R’CHO。在该条件下,下列烯烃分别氧化后,产物中可能有乙醛的是()。
根据《矿山安全法》,关于矿山企业开采安全保障的说法,正确的是()。
进口传感器在向海关申报时,应当使用的报关单是()。在向海关申报进口传感器时,报关员应向海关提交的监管证件是()。
实行国库集中支付后,对于由财政直接支付的工资,事业单位应借记“事业支出”科目,贷记()科目。
企业新增1元资金所需负担的成本是( )。
下列有关集团财务报表审计的相关说法中,错误的是()。
A、Beer,please.B、It’smypleasure.C、Yes,shewill.D、No,Iamnot.AWhatwouldyouprefer,beerorwine?
Itiscommonlyheldthatdrinkingmoderateamountsofalcoholcanreducetheoddsofhavingadeadlyheartattack.More【B1】_____
最新回复
(
0
)