华支睾吸虫的中间宿主是() ["钉螺","淡水川卷螺","淡水鱼或虾","中华按蚊","扁卷螺"]
感染阶段() ["童虫","虫卵","毛蚴","尾蚴","囊蚴"]
每个单位人员的职务、性别、民族、文化程度等都属于()。 ["品质标志","标志表现","数量标志","标志值"]
在腹腔各脏器间游走阶段() ["童虫","虫卵","毛蚴","尾蚴","囊蚴"]
物业统计工作过程不包括()。 ["数据调查","数据整理","数据分析","数据收集"]
与交易市场原料金的价格联系最紧密是那种黄金制品?