题型:问答题 简答题 一位风心病二尖瓣狭窄患者,经常咳嗽、气短。不能平卧。近1个月出现下肢水肿,肝大,上述症状有所减轻。风心病二尖瓣狭窄最常见的并发症是A.感染性心内膜炎B.充血性心力衰竭C.咯血D.血栓栓塞E.肺部感染 查看答案
题型:问答题 简答题 I don’t speak any French. I wish I _______ harder when I was at school. A.had workedB.workedC.would workD.work 查看答案