Do you find getting up in the morning so difficult that it’s painful? This might be called laziness, but Dr. Kleitman has a new ___36____. He has proved that everyone has a daily energy cycle.
During the hours when you labour through your work, you __37___ say that you’re “hot”. That’s true. The time of day when you feel most energetic is when your cycle of body temperature is ___38____. For some people the peak comes during the forenoon. For others it comes in the afternoon or evening. No one has discovered __39___ this is so , but it leads to such familiar monologues （自言自语）__40___ “Get up , John ! You’ll be late for work again!” The ___41___ explanation to the trouble is that John is at his temperature—and —energy peak in the evening. Much family quarrelling ___42___ when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has.
You can’t change your ___43___, but you can make your life ___44___ it better. Habit can help. Dr. Kleitman believes. Maybe you’re sleepy in the evening but feel you must stay up late ___45___. Counteract （打乱）your cycle to some extent by ___46___ staying up later than you want to . If your energy is ___47___ in the morning but you have an important job to do early in the day, ___48___ before your usual hour. This won’t change your cycle, but you’ll get up steam(打起精神) and work better ___49___.
Get off to a slow start ___50___ saves your energy. Get up with a yawn （呵欠）and ___51___ . Sit on the edge of the bed a minute before ___52____ on the floor. Avoid the ___53___ search for clean clothes by laying them out ___54___. Whenever possible , do routine （常规的）work in the afternoon and save tasks ___55____ more energy for your sharper hours .
| 小题1: | | A．impression | B．explanation | C．exploration | D．translation |
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| 小题3: | | A．at its bottom | B．at its beginning | C．at its end | D．at its peak |
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| 小题4: | | A．why | B．that | C．whether | D．whatever |
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| 小题5: | | A．as | B．such as | C．which | D．like |
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| 小题6: | | A．steady | B．occasional | C．surprised | D．possible |
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| 小题7: | | A．starts | B．comes back | C．ends | D．turns around |
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| 小题8: | | A．life attitude | B．energy cycle | C．time table | D．alarm o’clock |
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| 小题9: | | A．to do | B．change | C．fit | D．to renew |
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| 小题10: | | A．anywhere | B．no way | C．anyway | D．somewhere |
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| 小题11: | | A．sensitively | B．especially | C．carefully | D．habitually |
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| 小题13: | | A．go up | B．rise | C．lift | D．raise |
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| 小题14: | | A．in your high spirit | B．at the right time | | C．at your low point | D．in the same way |
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| 小题15: | | A．which | B．whichever | C．what | D．whatever |
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| 小题16: | | A．express | B．attend | C．open | D．stretch |
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| 小题17: | | A．putting your feet | B．setting your foot | | C．laying down your foot | D．lying your feet |
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| 小题18: | | A．tired | B．troublesome | C．immediate | D．dangerous |
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| 小题19: | | A．yesterday | B．last night | C．the night ago | D．the night before |
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| 小题20: | | A．suggesting | B．demanding | C．requiring | D．persuading |
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