2013年12月英语四级考试完形填空练习（33）
2013年12月英语四级考试完形填空练习（33）Do you find getting up in the morning so difficult that it’s painful? This1called laziness, but Dr. Kleitman has a new explanation. He has proved that everyone has a daily energy2.
During the hours when you3your work you may say that you’re ‘hot’. That’s true. The time of day when you feel most4is when your cycle of body temperature is5its peak. For some people the peak comes during the forenoon. For6it comes in the afternoon or evening. No one has discovered why this is so, but it7such familiar monologues (自言自语) as: Get up John! You’ll be late for work again! The possible explanation to the trouble is that John is at his8and energy peak in the evening,9family quarrelling ends when husbands and wives realize10these energy cycles mean, and which cycle each member of the11has.
You can’t change your energy cycle, but you can learn to make your life12it better.13can help, Dr. Kieitman believes. Maybe you’re sleepy in the evening but feel you must14late anyway. Counteract (对换) your cycle15by habitually staying up late than you want to. If your energy is low in the morning but you have an important job to do16in the day,17before your usual hour. This won’t change your cycle, but you’ll get up steam and work better at your low point. Whenever possible, do18work in the afternoon and19tasks requiring more energy or concentration for you20hours.
1. A. might be B. must be C. need be D. can be
2. A. circle B. recycle C. cycle D. crisis
3. A. go through B. see through C. break through D. labour through
4. A. energetic B. active C. strenuous D. idle
5. A. on B. at C. over D. in
6. A. other B. another C. one another D. others
7. A. owes to B. leads to C. leads into D. attributes to
8. A. temper B. thought C. temperature D. mood
9. A. Much B. Many C. Such D. More
10. A. how B. that C. which D. what
11. A. house B. family C. home D. room
12. A. fit B. adopt C. like D. look
13. A. Hobby B. CharacteristicC. Interest D. Habit
14. A. stay away B. stay out C. stay at D. stay up
15. A. to extent B. to some extent C. to the extent D. to an extent
16. A. early B. daily C. yearly D. monthly
17. A. rise B. raise C. arise D. arisen
18. A. usual B. routine C. normal D. average
19. A. Keep B. maintain C. save D. hold
20. A. clearer B. harder C. sharper D. easier
答案解析：
1-5.ACDAB
6-10. DBCAD
11-15.BADDB
16-20.AABCC
编辑推荐： 2013年12月英语四级考试完形填空练习汇总（100篇）
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