题目

搬开庭院中的石块，鼠妇很快就爬走了。这时影响鼠妇生活的非生物因素是 （     ） A．光             B．温度            C．空气           D．水分  答案：A   If you are worried about things and are under a lot of stress at work or school，then you are probably not sleeping well．Worry can keep you awake，tossing and turning in bed until the early hours of the morning when you eventually fall asleep．When you wake up, don’t feel refreshed，but tired and worm out and unable to face a new day．     Dr．Henry Winkle，in a recent newspaper artic entitled Stress and Sleep，indicates that stress and 1ack of sleep are directly related．Dr Winkle says．“The more we worry，the less we sleep；the more we are unable to deal With stress．If we can find a way to get a good light’s sleep，”he adds，“we can often find the energy to deal with what’s worrying us．”     So，what is a good night’s sleep? Research shows that the amount of sleep which people need in order to keep healthy varies a lot．Seven hours is about the average amount, though strangely enough，sleeping longer often gives you a headache instead of making to feel more refreshed．     Dr．Winkle believes that preparing for sleep is important．People who work late should try to give themselves a short break and do something restful before going to bed．This could be watching TV or listening to music．Doing some exercise earlier in the day should help you to feel physically as well as mentally tired．A bedtime drink can also help．but coffee or tea should be avoided as they contain caffeine and will keep you awake．“When you put the light out．”Dr．Winkle s

ays, “concentrate on relaxing your muscles，working slowly up from your feet．and you’ll be asleep be fore you know it．” 1．What causes a person to stay up too late into the night? A．Worry，tossing and turning in bed． B．Worry and burden of work or study． C. Worry about work and school． D．Only worry but stress at work or school． 2.Accordiug to the passage，how long should a person sleep if he wants to be healthy? A．More than four hundred and twenty minutes. B．Less than four hundred and twenty minutes． C. About four hundred and twenty minutes. D．Only four hundred and twenty minutes． 3. How will you prepare a good sleep before going to bed? A. Watching TV．listening to music and having a short break． B．A bedtime drink，watching TV and listening to music. C．A short break, watching TV ，listening to music and doing some exercises． D．A variety of relaxed activities． 4．What the best title for this passage? A．More Worry, More Sleep． B．Less Stress, More Sleep． C．Less Worry, Less Sleep． D．More Stress, More Sleep．