Question

完形填空
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      __1__ to show that we all have 6'a body clock"   2__  us. which controls the    3_   and fall of our body energies,   4_  us different from one day to the next.      The   5 _ 0f "a body clock" should not be too   6 _ since the lives of most living things are controlled    7   the 24-hour night-and-day cycle. We feel    8  and fall asleep at night and become   9__ and energetic during the day.lf the      24-hour-cycle is  _10 , most people experience unpleasant   11 .For example, people who are not   12 to working at night can find that  13__ of sleep causes them to  14 _ badly at work.         15 the daily cycle of sleeping and   16 , we also have other cycles which   17  longer than one day. Most of us would    18 that we feel good on some days and not so good on   19  ; sometimes our ideas seem to flow and at other times, they _20__ do not exist.
(     )  1. A. anxious     (     )  2. A.inside       (     )  3. A. movement     (     )  4 A. showing     (     )  5. A. invention   (     )  6. A. difficult   (     )  7. A. from         (     )  8. A. dull         (     )  9. A. regular      (     )10. A. disturbed   (     )11. A. moments     (     )12. A. prevented   (     )13. A. miss         (     )14. A. perform     (     )15. A. With         (     )16. A. working     (     )17. A. repeat       (     )18. A. agree       (     )19. A. other       (     )20. A.just	B. able       B. around     B. supply     B. treating   B. opinion     B. exciting   B. by         B. tired       B. excited     B. shortened   B. feelings   B. allowed     B. none       B. show       B. As well as B. moving     B. remain     B. believe     B. the other   B. only	C. careful     C. between     C. use         C. making       C. story       C. surprising   C. over         C. dreamy       C. lively       C. rested       C. senses       C. expected     C. lack         C. manage       C. Except       C.living       C. last         C. realize     C. all other   C. still	D. proud           D. on             D. rise           D. changing       D. idea           D. interesting     D. During         D. peaceful       D. clear           D. troubled       D. effects         D. used           D. need           D. control         D. Rather than     D. waking         D. happen         D. allow           D. others         D. yet

Answer 1

1-5: BADCD     6-10: CBBCA     11-15: BDCAC     16-20: DCADA