38.微生物基因突變分析法,測試樣品為高溶解度低毒性質則最劑量多少mg/plate?
(A)1 mg/plate
(B)3 mg/plate
(C)5 mg/plate
(D)7 mg/plate

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統計: A(36), B(77), C(468), D(2), E(0) #582665