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What is a cause for the change of Stefania’s body clock?
A．Eating fewer hours of sleep.
B．Having more hours of sleep
C．Lacking physical exercise.
D．Getting no natural light.
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更多 “ What is a cause for the change of Stefania’s body clock?A．Eating fewer hours of sleep.B．Having more hours of sleepC．Lacking physical exercise.D．Getting no natural light. ” 相关考题
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DOn May 23,1989, Stefania Follini came out from a cave at Carlsbad, New Mexico. She hadnt seen the sun for eighteen and a half weeks. Stefania was in a research program, and the scientists in the program were studying body rhythms(节奏). In this experiment Stefania had spent 130 days in a cave, 30 feet in depth.During her time in the cave, Stefania had been completely alone except for two white mice. Her living place had been very comfortable, but there had been nothing to tell her the time. Shed had no clocks or watches, no television or radio. There had been no natural light and the temperature had always been kept at 21℃.The results were very interesting. Stefania had been in the cave for over four months, but she thought she had been there for only two. Her body clock had changed. She hadnt kept to a 24-hour day, she had stayed awake for 20-25 hours and then had slept for 10 hours. She had eaten fewer meals and had lost 171bs in weight as a results! She had also become rather depressed（抑郁）.How had she spent her time in the cave? As part of the experiment shed done some physical and mental tests. Shed recorded her daily activities and the results of the tests on a computer. This computer had been specially programmed for the project. Whenever she was free, shed played cards, read books and listened to music. Shed also learned French from tapes.The experiment showed that our body clocks are affected by light and temperature. For example, the pattern of day and night makes us wake up and go to sleep. However, people are affected in different ways. Some people wake up naturally at 5:00 am, but others dont start to wake up till 9:00 or 10:00 am. This affects the whole daily rhythm. As a result, the early risers, on the other hand, are tired during the day and only come to life in the afternoon or evening!第68题：Stefania stayed in the cave for a long time because ______.A. she was asked to do research on miceB. she wanted to experience lonelinessC. she was the subject of a studyD. she needed to record her life
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What is a cause for the change of Stefanias body clock?A. Eating fewer meals.B. Having more hours of sleep.C. Lacking physical exercise.D. Getting no natural light.
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D On May 23,1989, Stefania Follini came out from a cave at Carlsbad , New Mexico. She hadn’t seen the sun for eighteen and a half weeks . Stefania was in a research program, and the scientists in the program were studying body rhythms (节奏)。In this experiment Stefania had spent 130 days in a cave ,30 feet in depth.During her time in the cave, Stefania had been completely alone except for two white mice. Her living place had been very comfortable ,but there had been nothing to fell her the time .she’d had no clock or watches , no television or tadio. There had been NO natural light and the temperature had always been kept at 21℃Stefania stayed in the cave for a long time because___________.A．she was asked to do research on miceB．she wanted to experience lonelinessC．she was the subject of astudyD．she needed to record her life
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单选题What will happen to associated preventive maintenance (PM) records when an asset is decommissioned?（）A
There is no automatic method to change the PM(s) status to INACTIVEB
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The only way to change the status of the PM(s) to INACTIVE is to remove the assets from the PM(s) and then change the status of the PM(s) to INACTIVED
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单选题What does the author mean when he says, “we can’t turn the clock back” (Line 1, Para.3)?A
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The social reality children are facing cannot be changed.C
Lessons learned from the past should not be forgotten.D
It’s impossible to forget the past.
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单选题An artificial sweetener, such as aspartame or sucralose, is said to contain no calories by the body’s not converting it into energy.A
by the body’s not converting it into energyB
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because the body does not convert them into energyD
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because the body does not convert it into energy
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单选题The main cause of the layoffs in the pottery industry is _____.A
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the economic recession in AsiaC
the change in people’s way of lifeD
the fierce competition at home and abroad
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单选题What is the main purpose of the letter?A
To describe a change in the company’s customer policyB
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单选题You are advised to enter the traffic route at about 1730 hours，because a vessel is scheduled to enter at the time when you intended to enter.What can you understand from this seaspeak?（）.A
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单选题What is a convenient and effective system of examining the body of an injury victim?（）A
Check the corresponding (left versus right) parts of the bodyB
Watch the patient's eyes as you probe parts of the bodyC
Look for discoloration of the patient's skinD
Look for uncontrolled vibration or twitching of parts of the body
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