未知题型 关于噻嗪类利尿药，下列说法正确的有：

单项选择题 A．肠黏膜表面有假膜形成 B．肠黏膜出现大片坏死并形成大的溃疡 C．肠壁黏膜高度水肿，呈鹅卵石状，黏膜有裂隙状溃疡 D．溃疡呈环状与肠的长轴垂直克隆病A． B． C． D．

未知题型 听力原文：W：Were you caught in the rain last night?M：No，I was already safe inside the house．Q：What happened last night?(18)A．It rained for a short while.B．There was a car accident.C．There was a fire.D．It snowed heavily.