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