下列各种图像哪个对显示后颅窝肿瘤最敏感() ["A．X线平片","B．CT图像","C．T1加权像","D．质子密度加权像","E．T2加权像"]
20．叶酸、维生素B含量少的是()21．以白蛋白为主的是()22．以酪蛋白为主的是() ["A．母乳","B．牛奶","C．全脂奶粉","D．羊奶","E．酸牛奶"]
咽异感症
吞咽困难
血管母细胞瘤可合并() ["A．神经纤维瘤病1型","B．结节性硬化","C．Chiari畸形","D．VonHippel-Lindau病","E．神经纤维瘤病Ⅱ型"]
年长儿中占总能量的50%-60%()年长儿中占总能量的25%-30%()年长儿中占总能量的8%-15%()
