椎动脉型颈椎病主要由下列哪项原因诱发?() ["情绪波动","过度疲劳","头部活动","寒冷刺激","暴力打击"]
我国流行的血吸虫病的病源为哪一种() ["曼氏血吸虫","埃及血吸虫","中华血吸虫","日本血吸虫","渭公血吸虫"]
颈椎病最早发生病变的部位是()。 ["椎体","关节突","神经根","椎间盘","韧带"]
肌性斜颈后期面部的改变是()。 ["患侧面部窄小,健侧眼与口角之间距离缩小","患侧面部窄小,患侧眼与口角之间距离缩小","健侧面部窄小,健侧眼与口角之间距离缩小","健侧面部窄小,患侧眼与口角之间距离缩小","两侧面部均窄小,两侧眼与口角之间距离相等"]
猪囊尾蚴寄生于() ["人和哺乳动物肠道","人体和猪的各种组织脏器","犬的肠道","家畜的肠道","羊、牛等偶蹄动物的各种组织脏器"]
现在世界上通行的历法是()