At the beginning of this century, medical scientists made an interesting discove
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At the beginning of this century, medical scientistsmade an interesting discovery; we are built not just of flesh and blood butalso of time. They were toshow that we all have “a body clock” us,which controls the and fall ofour body energies, usdifferent from one day to the next.
The of“a body clock” should not be too sincethe lives of most living things are controlled the24 hour night-and-day cycle. We feel andfall asleep at night and become andenergetic during the day. If the 24 hour-cycle is ,most people experience unpleasant .For example, people who are not toworking at night can find that ofsleep causes them to badly at work.
the daily cycle of sleeping and ,we also have other cycles which longerthan one day. Most of us would thatwe feel good on some days and not so good on ;sometimes our ideas seem to flow and at other times, they donot exist.
1.A．anxious B．able C．careful D．proud
2.A．inside B．around C．between D．on
3.A．movement B．supply C．use D．rise
4.A．showing B．treating C．making D．changing
5.A．invention B．opinion C．story D．idea
6.A．difficult B．exciting C．surprising D．interesting
7.A．from B．by C．over D．during
8.A．dull B．tired C．dreamy D．peaceful
9.A．regular B．excited C．lively D．clear
10.A．disturbed B．shortened C．reset D．troubled
11.A．moments B．feelings C．senses D．effects
12.A．prevented B．allowed C．expected D．used
13.A．miss B．none C．lack D．need
14.A．perform B．show C．manage D．control
15.A．With B．As well as C．Except D．Rather than
16.A．working B．moving C．living D．waking
17.A．repeat B．remain C．last D．happen
18.A．agree B．believe C．realize D．allow
19.A．other B．the other C．all other D．others
20.A．just B．only C．still D．yet
试题答案
【答案】
1.B
2.A
3.D
4.C
5.D
6.C
7.B
8.B
9.C
10.A
11.B
12.D
13.C
14.A
15.B
16.D
17.C
18.A
19.D
20.A
【解析】试题