A.5B.10C.20D.50
這張圖是哪種寄生蟲(chóng)蟲(chóng)卵?()
A.蛔蟲(chóng)卵B.鉤蟲(chóng)卵C.球蟲(chóng)卵D.鞭毛蟲(chóng)卵
A.0.5倍B.2倍C.4倍D.10倍