Many people find that regular physical activity gives them an unexpected benefit

Many people find that regular physical activity gives them an unexpected benefit.They sleep better and wake up feeling more1,in part due to increased
amounts of deep sleep. Deep sleep may play a role in the body restoring(恢)itself2,as opposed to REM(rapid eye movement) or dreaming sleep. Researchers have found that physical exercise, especially3in the afternoon orearly evening,produces more4early in the night.
5can also help you get a better night's sleep in a number of indirect ways. The relaxation and tiredness 6by exercise can improve sleep.
Exercise encourages weight loss and also may 7depression. Exercising later in the day can also help delay the 8drop in your body's temperature. The 9of exercise are especially important for older people, 10exercise has been shown to increase the amount of sleep senior adults get in a night and reduce the time it takes to fall asleep. But be sure you finish exercising at least 4 hours before bedtime—working out later than that could leave you too excited to fall asleep easily.1.

A.conscious

B.peaceful

C.effective

D.refreshed

2.

A.physically

B.mentally

C.emotionally

D.regularly

3.

A.made

B.done

C.functioned

D.conducted

4.

A.night's sleep

B.dreaming sleep

C.deep sleep

D.REM

5.

A.Exercise

B.Dreams

C.Researchers

D.Doctors

6.

A.recovered

B.strengthened

C.caused

D.reduced

7.

A.increase

B.relieve

C.release

D.arouse

8.

A.nighttime

B.daytime

C.dinnertime

D.lifetime

9.

A.disadvantages

B.benefits

C.ways

D.places

10.

A.yet

B.if

C.when

D.Since

试题答案

DABCA CBABD

1.refresh的意思是“使精力恢复；使精力振作”。经过充足的睡眠，当然就会使精力得到恢复。A为“有意识的”；B为“和平的”；C为“有影响的，有效的”。答案为D。 

2.深睡可以使体力得到恢复。A表示“体力地”；B为“脑力地”；C为“感情上”；D为“有规律地”，答案为A。 

3.do physical exercise是一个固定短语，意思是“进行体育锻炼”。done引导的过去分词短语作physical exercise的定语。其它选项无此搭配。答案为B。

4.上文已经提到体育锻炼可以产生更多的深睡。本题考查上文提示，答案为C。

5.A表示“锻炼”。从上下文可知，这里指的是体育锻炼。B表示“梦”；C表示“研究者”；D表“医生”。答案为A。

6.be caused by…由…引起。因体育锻炼而导致的放松和疲劳可以改善睡眠。A表示身体恢复；B表示加强；D表示减少，答案为C。 

7.B为“放松”，体育锻炼可以放松压力。A为“增加”；C为“释放”；D为“引起”，答案为B。

8.从later in the day可知，应填nighttime。答案为A。 

9.体育锻炼可以使老人得到益处。答案为B。 

10.since在这句话中的意思是“因为”，解释为什么老人进行体育锻炼可以得到益处。yet表转折；if表条件；C表示时间；D表原因(本题考查行文逻辑)，答案为D。