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At the beginning of the century, medical scientists made a surprising discovery: that we are (1)_____ not just of flesh and bloo
At the beginning of the century, medical scientists made a surprising discovery: that we are (1)_____ not just of flesh and bloo
admin
2011-10-20
38
问题
At the beginning of the century, medical scientists made a surprising discovery: that we are (1)_____ not just of flesh and blood but also of time. They were able to (2)_____ that we all have an internal "body clock" which (3)_____ the rise and fall of our body energies, making us different from one day to the (5)_____. These forces became known as biorhythms: they create the (5)_____ in our everyday life.
The (6)_____ of an internal "body clock" should not be too surprising, (7)_____ the lives of most living things are dominated by the 24-hour night-and-day cycle. The most obvious (8)_____ of this cycle is the (9)_____ we feel tired and fall asleep at night and become awake and (10)_____ during the day. (11)_____ the 24-hour rhythm is interrupted, most people experience unpleasant side effects.
(12)_____, international aeroplane travelers often experience "jet lag" when traveling across time (13)_____. People who are not used to (14)_____ work can find that lack of sleep affects their work performance.
(15)_____ the daily rhythm of sleeping and waking, we also have other rhythms which (16)_____.longer than one day and which influence wide areas of our lives. Most of us would agree that we feel good on (17)_____ days and net so good on others. Sometimes we are (18)_____ fingers and thumbs but on other days we have excellent coordination. There are times when we appear to be accident-prone, or when our temper seems to be on a short fuse. Isn’t it also strange (19)_____ ideas seem to flow on some days but at other times are (20)_____ nonexistent? Musicians, painters and writers often talk about "dry spells".
选项
A、designates
B、fluctuates
C、calculates
D、regulates
答案
D
解析
动词辨析题。designate vt.指明,指出,任命,指派;fluctuate vt.使动摇,使波动,使起伏;calculate v.计算,考虑;regulate vt.管制,控制,调节,校准。根据句意,显然填入regulates符合句意。
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0
考研英语一
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