下列不属于绦虫成虫共同特征的是 ["A.有子宫孔","B.虫体扁平","C.雌雄同体","D.头节有附着器官","E.无消化道"]
下列有关并殖吸虫生活史错误的描述是 ["A.虫体寄居于人体的肺及多个脏器组织","B.需两个中间宿主","C.第二中间宿主是溪蟹、蜊蛄","D.感染阶段是尾蚴","E.有多种保虫宿主"]
海积作用
有关寄生虫感染方式,错误的描述是 ["A.丝虫——通过白蛉的吸血叮咬","B.血吸虫——接触疫水","C.蛔虫——误食感染期卵","D.旋毛虫——生食或半生食含幼虫的动物肉类","E.蛲虫——食入或吸入感染期卵"]
广州管圆线虫的中间宿主是 ["A.钉螺或拟钉螺","B.纹召螺和川卷螺","C.扁卷螺和豆螺","D.褐云玛瑙螺、福寿螺和蛞蝓","E.纹召螺和豆螺"]
海蚀作用