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患者，男，2年来阵发心悸，1d前无明显诱因再次发作，伴头晕、乏力、无胸痛，无黑矇晕厥。查体：BP 96/53mmHg，P 160/min，双肺音清，心律齐，未闻及杂音。 对该患者根治方法为
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对生活在化工厂附近地区的居民所作的正常医疗检查发现，这些居民在致命器官上受到的可能导致癌变的伤害的百分比相当高。这可能是由于有毒的化学物质从化工厂流入河床而导致的。 以下哪项所提供的信息为确定化工厂对可能出现癌变的当地居民是否应当负责任最有用
在大厦机场区，商品通过无线电广播电台进行密集的广告宣传将会迅速获得最大程度的知名度。 上述断定最可能推出哪项结论
患者，女，13岁，体检时发现胸骨左缘第2肋间可闻及3/6级连续机械样杂音，平时一般体力活动无不适。 首选检查为
In an ordinary mirror your right eye stares at your right eye and your left eye at your left eye —the opposite of the right-left, left-right connection we employ for assessing one another in the wild. The image in a True Mirror (which shows what you look like to others) can come as something of a shock. You tend to look the way you do in photographs, which for many people is also a shock. (This is the flip side (反面) of the start you sometimes get when looking at the reflected image of someone you are accustomed to seeing in person.) A newspaper headline held up to a True Mirror doesn’’t appear backward—it reads just fine. But your own face may seem oddly asymmetrical. Facial mannerisms nurtured in front of a normal mirror may in a True Mirror be revealed in a different light. "It is a wholly new view for many," the True Mirror’’s promotional literature concedes, "and not surprisingly, some don’’t like or feel uncomfortable with the new look." Another issue: in a True Mirror you seem to have far less control over the figure in the glass than you do in a normal mirror. If you turn to the right in front of a normal mirror, the image turns with you and ends up facing in the same direction, completing the visual palindrome (回文). In a True Mirror the image faces the other way, as if you were about to begin pacing off for a duel with yourself; and when you take a step, the image steps away from you. In a normal mirror your reflected finger comes out to meet your real one until they touch, like Michelangelo’’s God and Adam. In a True Mirror the reflected finger comes at you from the other side of the glass, as if pointed by the other hand. Ordinarily, you have no difficulty looking at a normal mirror and guiding your hand to an object reflected in it. Try this with a True Mirror, and your grasp will prove errant. Shaving becomes a blood sport. If all the review mirrors in America’’s cars were suddenly replaced by True Mirrors, there could be a very special episode of ER (美国电视剧《急诊室》). The word "errant" (Para. 2) most probably means________.
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