贝壳花为唇形科一年生草本,高60-100cm。叶对生,具钝齿。花朵轮生,白色,芳香, 发布时间:2017-07-30 11:28 │ 来源:www.tikuol.com 题型:单项选择题 问题: 贝壳花为唇形科一年生草本,高60-100cm。叶对生,具钝齿。花朵轮生,白色,芳香,(),绿色。A、花瓣似贝壳B、花萼似贝壳C、托叶似贝壳D、雄蕊瓣化
题型:单项选择题 (病例串型最佳选择题,2-3题共用题干) 男性,25岁,因反复发作右侧自发性气胸2年来院就诊。行胸片及胸部CT检查示右侧多发肺大泡。病人术中出现低氧血症,其对应的处理方法是A.吹张上肺4次~5次B.上肺加用CPAPC.下肺加用PEEPD.上肺CPAP、下肺PEEP同时采用E.以上都是 查看答案
题型:单项选择题 The old couple have been married for 40 years and never once ______ with eachOther.A.they had quarreledB.they have quarreledC.have they quarreledD.had they quarreled 查看答案