关于人工授精,下列哪个说法错误?() ["是指用器械将精液注入官腔或宫颈管内","适用于男方性功能障碍","适用于男方无精症","抗精子抗体阳性者可采用","丈夫精液人工授精易造成近亲结婚和遗传性疾病传播"]
患者,男,66岁。平素纳呆胸闷,刻下症见头痛,昏蒙,胸脘满闷,呕恶痰涎,苔白腻,脉滑。治法宜() ["疏散风热","平肝潜阳","养阴补肾","化痰降逆","清热化痰"]
使用敞车装载宽度在1250mm以下的钢板时,可双排顺装,每垛使用镀锌铁线或钢带(),间距不大于2.5m。 ["下压捆绑","整体捆绑","交叉捆绑","反又字下压捆绑"]
膝关节脱位整复后患膝活动时出现交锁征,其并发症是()。 ["内侧副韧带断裂","外侧副韧带断裂","十字韧带断裂","半月板撕裂","胫骨棘骨折"]
乙型病毒性肝炎最主要的传播途径是() ["粪-口传播","血行传播","呼吸道传播","蚊虫叮咬","水源传播"]
石油的烃类组成有哪几种表示方法?各自的含义是什么?