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| 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 |