根据钩虫感染度的划分,中度感染患者每克粪便虫卵为() A.500个 B.1000个 发布时间:2017-05-11 21:45 │ 来源:www.tikuol.com 题型:单项选择题 问题: 根据钩虫感染度的划分,中度感染患者每克粪便虫卵为()A.500个B.1000个C.1500个D.2000~11000个E.>11000个
题型:单项选择题 The number of giant pandas is getting _____ because their living areas are becoming farmlands. [ ]A. less and less B. larger and largerC. smaller and smaller D. fewer and fewer 查看答案