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患者，男性，65岁，1小时前打太极拳时突然出现头痛，呕吐，数分钟后出现右侧偏瘫和偏身感觉障碍，头颅CT示左侧基底核高密度灶，最常见的病因是
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患者，女性，35岁，活动中突然出现剧烈头痛，呕吐，查体发现颈抵抗，腰椎穿刺示均匀一致血性脑脊液，最常见的病因
How can we get rid of garbage (垃圾) Do we have enough energy sources to meet our future energy needs These are two important questions that many people are asking today. Some people think that man might be able to solve both problems at the same time. They suggest using garbage as an energy source, and at the time it can save the land to hold garbage. For a long time, people buried garbage or dumped(倾倒)it on empty land. Now, empty land is scarce. But more and more garbage is produced each year. However, garbage can be a good fuel to use. The things in garbage do not look like coal, petroleum, or natural gas; but they are chemically similar to these fossil(化石)fuels. As we use up our fossil-fuel supplies, we might be able to use garbage as an energy source. Burning garbage is not a new idea. Some cities in Europe and the United States have been burning garbage for years. The heat that is produced by burning garbage is used to boil water. The steam that is produced is used to make electricity or to heat nearby buildings. In Paris, France, some power plants burn almost 2 million metric tons of the cities garbage each year. The amount of energy produced is about the same as would be produced by burning almost a half million barrels of oil. Our fossil fuel supplies are limited. Burning garbage might be one kind of energy source that we can use to help meet our energy needs. This method could also reduce the amount of garbage piling up on the earth. What two problems can man solve by burning garbage
Hoffmann征
以下提供若干个案例，每个案例下设若干个考题。请根据各考题题干所提供的信息，在每题下面的A、B、C、D、E五个备选答案中选择一个最佳答案。 MRI自旋回波序列中心肌呈中等信号强度，与横纹肌相似。 测量心肌厚度应该在
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