首页
登录
职称英语
Why is it so difficult to fall asleep when you are overtired? There is no on
Why is it so difficult to fall asleep when you are overtired? There is no on
游客
2024-09-25
1
管理
问题
Why is it so difficult to fall asleep when you are overtired? There is no one answer that【C1】______ to every individual. But many people fail to note the【C2】______ between fatigue — physical tiredness — and sleepiness, the inability to【C3】______ awake. It is possible to feel tired【C4】______ and still be unable to fall asleep, because while your body may be exhausted, you don’t feel【C5】______. To fall asleep, you need adequate time to unwind,【C6】______ you feel fatigued, not so easy to【C7】______ "turn off."
According to Carl E. Hunt, director of the National Center on Sleep Disorders Research in Bethesda, Maryland, most people do not allow themselves【C8】_____ deceleration.
Lack of sleep【C9】______ matters even more. Experts say adults need at least 7 to 8 hours of sleep a night to【C10】______ properly. When you get less sleep than【C11】______ on consecutive nights, you begin to accrue "sleep debt".【C12】______ sleep debt increases and functionality decreases, your body experiences a stress response and begins to release adrenaline. Now a vicious【C13】______ has been created: You experience the feeling of being more and more tired,【C14】______ your body is increasingly stimulated. Power sleeping for more hours on weekends is only a【C15】______ solution. "There is no【C16】______ for getting a good night’s sleep on a【C17】______ basis," says Hunt.
Most of us,【C18】______, don’t get the sleep we need. According to the 2002 National Sleep Foundation, Americans sleep a(n)【C19】______ of 6.9 hours per night during the week, and 58 percent of adults experience【C20】______ of insomnia a few nights a week or more. [br] 【C6】
选项
A、even if
B、until
C、if
D、when
答案
A
解析
逻辑关系题。根据空白后的“……感到疲倦,要想……入睡,没那么容易”,可知A项even if“即使”正确。
转载请注明原文地址:https://tihaiku.com/zcyy/3774191.html
相关试题推荐
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
Whyisitsodifficulttofallasleepwhenyouareovertired?Thereisnoon
随机试题
Everykidmaycomplainaboutschoolnowandthen,butonlyaemailpercentageof
[originaltext]Igrewuponasteadydietofsciencefiction.InhighschoolIt
Mountingevidenceshowsthatbehavioral-activation(BA)therapyisjustasef
ProfessorSimpson______theprojectcarefullyandmadeafewcorrections.A、wentu
在牙本质粘结过程中应用底胶的作用是A.使疏水的牙本质表面变成亲水的,有利于粘结剂
A.咽鼓管 B.鼻咽管 C.外耳 D.中耳 E.内耳只由颞浅动脉供血的是
用紫外分光光度法测定吸光度时,进行空白校正的目的是A.消除药物中的杂质对测定结果
A. B. C. D.
关于牙的发育,正确的是A:乳牙的发育在出生前完成 B:恒牙的发育开始于出生后
男性,40岁,上腹饥饿性隐痛反复发作10年,伴反酸、嗳气,进食和服用抗酸剂可
最新回复
(
0
)