阿摩線上測驗
37. What would be the most effective method of reducing the incidence of blood flukes in a human population?
(A) Reduce the mosquito population
(B) Reduce the freshwater snail population
(C) Purify all drinking water
(D) Avoid contact with rodent droppings
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統計： A(0), B(0), C(1), D(0), E(0) #3389862
統計： A(0), B(0), C(1), D(0), E(0) #3389862
