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女性，25岁，产后20天，左乳胀痛伴发热。查体：体温39.0℃，左乳外上象限皮温高，红肿，有一痛性肿块，直径约4cm，有波动感。 最可能的诊断是
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血的生成，主要依赖于气的
女性，32岁，间歇性吞咽困难5年；消瘦 应首先考虑
I was born in Tuckahoe, Talbot Country, Maryland. I have no accurate knowledge of my age, never having seen any authentic record containing it. By far the larger part of the slaves knows as little of their age as horses know of theirs, and it is the wish of most masters within my knowledge to keep their slaves thus ignorant. I do not remember having ever met a slave who could tell of his birthday. They seldom come nearer to it than planting-time, harvesting, springtime, or falltime. A lack of information concerning my own was a source of unhappiness to me even during childhood. The white children could tell their ages, I could not tell why I ought to be deprived of the same privilege. I was not allowed to make any inquires of my master concerning it. He considered all such inquires on the part of a slave improper and impertinent. The nearest estimate I can give makes me now between twenty-seven and twenty-eight years of age. I come to this, from hearing my master say, some time during 1835. I was about sventeen years old. My mother was named Harriet Bailey. She was the daughter of Isaac and Betsey Bailey, both colored, and quite dark. My mother was of a darker complexion than either my grandmother or grandfather. My father was a white man. The opinion was also whispered that my master was my father; but of the correctness of this opinion, I know nothing; the means of knowing was withheld from me. My mother and I were separated when I was but an infant--before I knew her as my mother. It is a common custom, in the part of Maryland from which I ran away, to part children from their mothers at a very early age. Frequently, before the child has reached its twelfth month, its mother is taken from it, and hired out on some farm a considerable distance off, and the child is placed under the care of an older woman, too old for field labor. For what this separation is done, I do not know, unless it was to hinder the development of the child’s affection towards its mother. The author was most probably raised
Studies of the effect that makes many of us slumber or feel sleepy during the queen’s speech on Christmas Day have revealed that changes may be required in Britain’s drink drive legislation. Dr James Home, director of the Sleep Research Laboratory at Loughborough University, is investigating post-lunch sleepiness. "We humans are designed to sleep twice a day, once at night and a short nap after lunch, but in this part of the world we tend to repress that." It is a remnant of the same primeval programming that makes all animals in the bush rest in the hot afternoon sun to conserve energy. "Hot environments make it worse and many cultures living near the equator," says Dr Home, "have conceded to the inevitable, where the afternoon siesta is the way of life." In these studies Dr Home has been investigating the role of alcohol. "The theory is that if you are more sleepy after lunch then it figures that alcohol will be more potent after lunch. One would figure then that a pint of beer at lunchtime has more effect than in the evening, when people are more alert. Indeed, we find that it has about twice the effect." This has more sinister implications. "If people take alcohol up to the legal driving limit, their performance is seriously impaired after lunch," he said. It seems that alcohol interacts with the circadian rhythm of sleep to cause afternoon sleepiness, so that one pint at lunch-time is equivalent, in effect, to a quart in the evening. "For this reason, most drivers ought not to drink at all at lunchtime and the legal blood alcohol limit is no guide to safe driving here，”said Dr Horne． For those who wish to enjoy the queen’s speech，Dr Horne recommends mild exercise，a splash of cold air or cold water on the face，or a cup of coffee．Otherwise，take a cat nap．But this should be less than 15 minutes，“otherwise，sleep really sets in and one can wake up feeling very groggy and far sleepier than to be in with．” Most drivers ought not to drink at all at lunch time because
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