2014上海中考英语首字母填空专项练习及答案.doc

2014上海中考英语首字母填空专项练习 2014上海中考英语首字母填空专项练习 （一） Sleep is not the same every night. We experience some deep sleep and some active sleep(积极睡眠), which is when dreams happen. You might think sleepwalking(梦游) would happen in active sleep, but a person isnt physically active d 86 active sleep. Sleepwalking usually happens in the first few hours of sleep in the stage called slow-wave(慢波)or deep sleep. Not all sleepwalkers a 87 walk. Some simply sit up or stand in bed or act like theyre awake when, in fact, theyre asleep! Most, however, do get up and move around for a few seconds or for as long as half an hour. Sleepwalkers e 88 are open, but they dont see the same way they do when theyre awake and often think theyre in different rooms of the house or different places altogether. Sleepwalkers tend(往往会) to go back to bed on their own and they wont r 89 it in the morning. Doctors say sleepwalking sometimes occurs when a person is sick, has a fever, is not getting e 90 sleep, or is stressed. If sleepwalking occurs frequently, every night or so, its a good idea for your mom or dad to take you to see your doctor. But occasional(偶然的) sleepwalking generally isnt something to worry about, a 91 it may look funny or even scary (惊恐的) for the people who see a sleepwalker in action. Its important, of course, that the person is kept safe. Precautions(预防措施) should be t 92 so the person is less likely to fall down, run into something, or walk out the front door while sleepwalking. （二） Everyone needs sleep. In fact, all living things need sleep. Having a sound and good rest m_____86_____ us healthy. It is believed that our brain develops best during sleep. It helps all our systems work well w_____87_____ we are awake. Sleep allows our brain to reorganize all events during the day and will improve our memory development. For a student, eight to ten hours of sleep is required to give him or her e_____88_