50.綿羊奈洛比病(Nairobi sheep disease)是由下列何種昆蟲媒介傳染所引起?
(A)糠蚊
(B)廄刺蠅
(C)壁蝨
(D)螽斯
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統計: A(505), B(242), C(1193), D(70), E(0) #2969974
統計: A(505), B(242), C(1193), D(70), E(0) #2969974