硫糖铝
A．腹腔镜检查B．肝穿刺活检有假小叶形成C．钡餐食道下段及胃底静脉曲张D．大量腹水E．白蛋白与球蛋白比值明显倒置
参考答案：D
The husband rushed to the hospital ____ he heard that his wife was injured.
A．at the moment
B．for the moment
C．directly
D．in a moment
OOA模型划分为5个层次或视图，分别为哪些？
