题目: -- Have you moved into the new house? -- Not yet. The rooms __________. [ ]A. are painting B. are being painted C. are painted D. have painted 答案: 答案:B
题型:单项选择题 氧分压下降对呼吸的影响是A.氧分压越低呼吸中枢兴奋性越高B.缺氧直接兴奋呼吸中枢C.缺氧是维持呼吸的经常性生理性刺激D.缺氧通过外周化学感受器使呼吸抑制E.缺氧直接抑制呼吸中枢 查看答案
题型:单项选择题 血吸虫病肝硬化晚期、脾大及脾功能亢进病人,外科手术治疗以哪一种术式为好A.脾切除+门腔静脉吻合术B.单纯脾切除术C.脾切除+贲门周围血管离断术D.脾切除+脾肾静脉吻合术E.脾切除+胃冠状静脉栓塞术 查看答案