阿摩線上測驗
39. According to the passage, what will cause a more severe corrosion in plumbing materials that contain lead?
(A) High mineral content.
(B) High acidity in water.
(C) High temperatures.
(D) Highly toxic chemicals.
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統計： A(2), B(15), C(1), D(3), E(0) #3988866
統計： A(2), B(15), C(1), D(3), E(0) #3988866
