英语高手们都来帮帮忙.英语阅读填空,填上适合的词.

英语高手们都来帮帮忙.英语阅读填空,填上适合的词.
Sleep is a normal physiological process that restores us physically,emotionally and intellectually.People who are not able to get a certain amount of sleep are (21) able to handle stress emotionally and physically.
Most adults have (22) insomnia at one time in their lives.Insomnia is one of the most common medical complaints (23) include having trouble falling or staying (24) .In the morning people with insomnia usually are left weak,feel whacked and unable to normally function during the (25) .Insomnia can undermine not only one’s energy level and mood,but also affect health,work performance and (26) of life.It is recommended that adults sleep(27) 7 or 8 hours per night in order to (28) good health and good looks.But (29) people differ widely in their sleep needs,insomnia is not defined by a specific number of hours of sleep that one gets.An estimated 30 to 50 per cent of the general population are (30) by insomnia,and 10 per cent have a long-term,or chronic insomnia.
21．A．more B．less C．much D．least
22．A．overcome B．heard of C．fought against D．experienced
23．A．as B．who C．what D．that
24．A．awake B．asleep C．active D．calm
25．A．day B．night C．sleep D．work
26．A．pace B．happiness C．quality D．conditions
27．A．average B．usually C．at most D．at least
28．A．secure B．maintain C．contain D．adjust
29．A．although B．unless C．since D．whether
30．A．affected B．suffered C．introduced D．hurt

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