收费站在接待紧急车队时，需提前分钟做好开道准备（）。 ["A、10","B、5","C、30","D、15"]
蚕感染蝇蛆病最明显的病症是在寄生部位形成黑褐色喇叭状的病斑，这病斑是（） ["多化性蚕蛆蝇的卵","多化性蚕蛆蝇的幼虫","多化性蚕蛆蛹","多化性蚕蛆蝇的成虫","蚕本身的器官"]
结构中含有苯并咪唑环的是（） ["奥美拉唑","西咪替丁","雷尼替丁","甲氧氯普胺","法莫替丁"]
下列哪种不是家蚕微粒子病的传染来源（） ["病蚕的尸体","病蚕排出的粪便","病蚕的卵壳","病蚕的蚕茧","蚕蛹"]
莱菔子具有的药理作用是（） ["助消化","抑制泌乳素","镇咳","祛痰","抗菌"]
什么叫在线灭菌？
