39.
(A) A special liquid.
(B)Emperor Qin's.
(C) It is sprayed with the liquid.
(D)He is its leading chemist.
(E)By disturbing the dirt.
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統計: A(0), B(0), C(0), D(1), E(0) #2953882
統計: A(0), B(0), C(0), D(1), E(0) #2953882