单项选择题
W:What a terrible thing! The crazy mall picked up a large stone and threw it at the store window.There was glass everywhere.M:I hope no one was hurt.Q:What is the man concerned about?()
A.The loss of the store.B.The possible harm to the people nearby.C.The punishment to the crazy man.D.The reason for the crazy action.
单项选择题 王某,男,27岁,参加酒宴后突发上腹剧烈疼痛,随即出现全腹疼痛,改变体位时疼痛加剧,伴恶心呕吐,烦躁不安,面色苍白,查体:全腹呈板样强直,有明显压痛反跳痛,肝浊音界缩小,肠鸣音减弱.其可能的诊断有:()
单项选择题 为明确诊断首选的检查是A.抗核抗体谱B.超声心动图 ┠^o^^*^┨C.骨髓穿刺###SXB#
多项选择题 研究导致龋齿的相关因素中,在选择对照组时,应考虑的问题包括:()