13. (是非題) 布氏薑片蟲的終宿主是人，感染途徑是經由吃到污染的豬肉，嚴重可導致腹瀉。(2.5 分)(A)O(B)X

17. (選擇題) What's correct？(A) Human may acquire Trichinella spiralis infection through skin surface while staying in contaminated river, (B) Infective oocyst of Isosporora contains 4 sporocysts and each sporocyst contains 2 sporozoites, (C) Human may acquire hydatid infection by ingesting food or drink contaminated by eggs of Echinococcus granulosus, (D) all of above. (2.5 分)