题目: — This is Tom. _____ is my good friend. — Nice to meet you, Tom. [ ]A. She B. He C. His D. It's 答案: 答案:B
题型:单项选择题 动脉导管末闭听诊特点()。A.胸骨左缘二肋间Ⅱ~Ⅲ级收缩期杂音,P2亢进,固定分裂B.胸骨左缘第2~3肋间连续性机器样杂音,第一心音亢进,P2增强C.心尖区舒张中晚期隆隆样杂音,第一心音亢进,P2亢进D.胸骨左缘第3肋间闻及舒张早中期叹息样杂音,周围血管征阳性E.胸骨左缘第3肋间Ⅳ级喷射样收缩期杂音,P2减弱 查看答案