题型:问答题 简答题 Ausubel believes that the ______ material will soon be forgotten because rote learning has little or no association with existing cognitive structure. 查看答案
题型:问答题 简答题 关于胸部非螺旋扫描技术的描述,错误的是A.良恶性肿瘤鉴别及纵隔病变、大血管病变需平扫加增强扫描B.一般取仰卧位C.由肺尖至肺底连续扫描D.纵隔窗取窗位250~350HUE.骨窗取窗宽1000~1500HU 查看答案