(河南省新野三高2010届高三上学期第三次月考)

At the beginning of this century, medical scientists made an interesting discovery; we are built not just of flesh and blood but also of   36 . They were able to show that we all have “a body clock”   37    us, which controls the   38   and fall of our body energies,   39   us different from one day to the next.

The   40   of “a body clock” should not be too   41   since the lives of most living things are controlled   42   the 24 hour night-and-day cycle. We feel   43   and fall asleep at night and become   44   and energetic during the day. If the 24 hour-cycle is   45   , most people experience unpleasant   46   . For example, people who are not   47   to working at night can find that   48   of sleep causes them to   49   badly at work.

  50   the daily cycle of sleeping and   51  , we also have other cycles which   52   longer than one day. Most of us would   53   that we feel good on some days and not so good on    54   ; sometimes our ideas seem to flow and at other times, they   55   do not exist.

36．A．bones                  B．energy                 C．time                    D．mind

37．A．on                      B．around                C．between              D．inside

38．A．movement           B．supply                 C．use                     D．rise

39．A．showing              B．making                C．treating               D．changing

40．A．idea                    B．opinion                C．story                   D．invention

41．A．difficult               B．exciting               C．surprising            D．interesting

42．A．by                      B．from                   C．over                    D．during

43．A．dull                    B．tired                   C．dreamy               D．peaceful

44．A．lively                   B．excited                C．regular                D．clear

45．A．disturbed             B．shortened            C．reset                   D．troubled

46．A．feelings               B．moments             C．senses                 D．effects

47．A．prevented            B．allowed               C．used                   D．expected

48．A．miss                   B．none                   C．lack                    D．need

49．A．control                B．show                  C．manage               D．perform

50．A．With                   B．As well as            C．Except                D．Rather than

51．A．waking               B．moving                C．living                  D．working

52．A．repeat                 B．last                     C．remain                D．happen

53．A．agree                  B．believe                 C．realize                 D．allow

54．A．other                   B．the other              C．others                 D．all other

55．A．just                     B．only                    C．still                     D．yet