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指出胃蛋白酶合剂处方中各成分的作用 处方：胃蛋白酶 30g 单糖浆 150ml 稀盐酸 25ml 5%尼泊金溶液 15ml 蒸馏水 至1000ml 胃蛋白酶
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A．弹性动脉 B．肌性动脉 C．心内膜向心内突起 D．内弹性膜 E．内膜增厚
乙酰水杨酸片的处方中：润滑剂是（）.
A．弹性动脉 B．肌性动脉 C．心内膜向心内突起 D．内弹性膜 E．内膜增厚
Geography is study of the relationship between people and the land. Geographers compare and contrast (31) places on the earth. But they also (32) beyond the individual places and consider the earth as a (33) . The word geography (34) from two Greek words, ge, the Greek word for "earth" and graphic, (35) means" to write". The English word (36) means" to describe the earth". Some geography books focus (37) a small area (38) a town or city. Others deal with a state, a region, a nation, or an (39) continent. Many geography books deal (40) the whole earth. Another (41) to divide the study of geography is to (42) between physical geography and cultural geography. The former focuses on the natural world; (43) starts with human beings and (44) how human beings and their environment act (45) each other. But when geography is considered as a single subject, (46) branch can neglect the other. A geographer might be described as one who observes, records, and explains the (47) between places. If places (48) alike, there would be little need for geographers. We know, however, (49) no two places are exactly the same. Geography, (50) , is a point of view, a special way of looking at places.
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