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18.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 explanation.He has proved that everyone has a daily energy cycle.
During the hours when you labour through your work,you may 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 at its peak.For some people that peak comes during the forenoon.For others it comes in the afternoon or evening.No one has discovered why this is so,but it leads to such 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 his temperature-and-energy peak in the evening.Much family quarrelling ends when husbands and wives realize what these energy cycles mean,and which cycle each member of the family has.
You can't change your energy cycle,but you can make your life fit it better.Habit can help.Dr.Kleitman believes.Maybe you're sleepy in the evening but feel you must stay up late anyway.Counteract your cycle to some extent by habitually staying up later than you want to.If your energy is low in the morning but you have an important job to do early in the day,rise before your usual hour.This won't change your cycle,but you'll get up energy and work better at your low point.
Get off to a slow start which saves your energy.Get up with a yawn and stretch.Sit on the edge of the bed a minute before putting your feet on the floor.Avoid the troublesome search for clean clothes by laying them out the night before.Whenever possible,do routine work in the afternoon and save tasks requiring more energy for your sharper hours.

32.If you want to work better at your low point in the morning,you shouldC.
A.change your energy cycle                        
B.overcome your laziness
C.get up earlier than usual                            
D.go to bed earlier
33.You are advised to rise with a yawn and stretch because it willA.
A.help to keep your energy for the day's work
B.help you to control your temper early in the day
C.enable you to get your energy on your routine work
D.keep your energy cycle under control all day
34.What's the best title of the passage?C
A.Change Your Habits                                        
B.Save Your Energy
C.Daily Energy Cycle                                        
D.Temperature-and-Energy Peak
35.The text is likely to be selected from a book ofD.
A.fashion                      B.geography           
C.environment                  D.Science.

分析 本文属于说明文阅读,作者通过这篇文章向我们介绍了很多人每天早上起床很困难很痛苦,并且不能保持充足的精神,本文介绍了这种现象的原因,并且向我们提供了一些早起并能保证一天的充足精力的方法.

解答 32.C  细节理解题,根据第三段If your energy is low in the morning but you have an important job to do early in the day,rise before your usual hour.可知如果你有一个重要的工作要做最好比平时早起,故选C.
33.A  细节理解题,根据最后一段Get up with a yawn and stretch.Sit on the edge of the bed a minute before putting your feet on the floor.Avoid the troublesome search for clean clothes by laying them out the night before.Whenever possible,do routine work in the afternoon and save tasks requiring more energy for your sharper hours.可知在早上起床时打个哈欠伸个懒腰会可帮助你在这天的工作中保持精力充沛,故选A.
34.C  主旨大意题,通读全文可知本文讲述了如何在早上起床后保持充足的能量,因此是关于每日能量循环,故选C.
35.D  文章出处题,通读全文可发现本文科学的介绍了早上起床后保持精力充沛的方法,因此是与科学有关,故选D.

点评 考查学生的细节理解和推理判断能力.做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确选择.在做推理判断题时不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.

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