更多“局部损失发生在管路的哪一个部分中？”相关的问题
最大摄氧量是评价人体有氧运动能力的指标，而无氧阀则是评价人体无氧运动能力的指标
企业架构管理中，完善企业架构管理组织架构，建立分层架构决策体系。由谁负责组织对跨中心的各项具体架构规划和重点项目方案的评审决策？（）
A.信息科技部
B.数据管理部
C.软件开发中心
D.运行维护中心
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The effect of the baby boom on the schools helped to make possible a shift in thinking about the role of public education in the 1920s. In the 1920s, but especially in the Depression of the 1930s, the United States experienced a(n) (31) birth rate. Then with the prosperity (32) by the Second World War and the economic boom that followed, young people married and (33) households earlier and began to (34) larger families than had their (35) during the Depression. Birth rates rose to 102 per thousand in 1946, 106.2 in 1950, and 118 in 1955. (36) economics was probably the most important (37) , it is not the only explanation for the baby boom. The increased value placed (38) the idea of the family also helps to (39) this rise in birth rates. The baby boomers began streaming (40) the first grade by the mid-1940s and became a (41) by 1950. The public school system suddenly found itself (42) .The wartime economy meant that few new schools were built between 1940 and 1945. (43) large numbers of teachers left their profession during that period for better-paid jobs elsewhere. (44) , in the 1950s, the baby boom hit an antiquated and (45) school system. Consequently, the cus-todial rhetoric of the 1930s no longer made (46) ; keeping youths aged sixteen and older out of the labor market by keeping them in school could no longer be a high (47) for an institution unable to find space and staff to teach younger children. With the baby boom, the focus of educators (48) turned toward the lower grades and back to basic academic skills and (49) The system no longer had much (50) in offering nontraditional, new, and extra services to the older youths.
A．acceleratingB．strengtheningC．decliningD．fluctuating
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伪注、伪造和篡改文献、数据等行为均属（）。
A.学术自由B.学术失范C.学术不端D.学术道德
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根据《企业所得税法》，企业发生的下列支出中，准予税前扣除的是（ ）。
A.罚款 B.职工工资 C.税收滞纳金 D.企业所得税款
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下面哪一个是电视剧《笑傲江湖》中梅庄守门人丁坚的绰号？（）
A.无情剑
B.无影剑
C.一字电剑
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A．David and Margaret once worked together.B．Margaret's mother likes David very much.C．
A．David and Margaret once worked together.B．Margaret's mother likes David very much.C．Two old friends met unexpectedly.D．David and Margaret used to go to school every day.
A．David and Margaret once worked together.B．Margaret's mother likes David very much.C．Two old friends met unexpectedly.D．David and Margaret used to go to school every day.
B．Margaret's mother likes David very much.C．Two old friends met unexpectedly.D．David and Margaret used to go to school every day.
C．Two old friends met unexpectedly.D．David and Margaret used to go to school every day.
D．David and Margaret used to go to school every day.
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能减缓红细胞沉降率的物质是（）
A.纤维蛋白原
B.胆固醇
C.α-球蛋白
D.清蛋白
E.甘油三酯
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螺旋CT扫描的主要特点是
A．球管产热少B．扫描时间短C．可做三维重建D．可进行仿真内窥镜成像E．采用滑环技术
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依据会计恒等式原理，检查各账户记录是否正确的行为叫作试算平衡。
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第三章复习题.pdf
A. 复习题 B. 思考题
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测试的目的是暴露错误，评价程序的可靠性；而______的目的是发现错误的位置并改正错误。
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患者，男，22岁，突然寒战、高热、咳嗽，咳少量黏液痰，时有铁锈色痰，最可能的诊断是（ ）。
A.病毒性肺炎 B.肺炎杆菌肺炎 C.支原体肺炎 D.肺炎球菌肺炎 E.支气管炎，继发感染
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