24. 期貨具有哪些功能? 甲.投機;乙.避險;丙.價格指標
(A)僅甲、乙對
(B)僅乙、丙對
(C)僅甲、丙對
(D)甲、乙、丙均對
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統計: A(15), B(16), C(28), D(133), E(0) #836443
統計: A(15), B(16), C(28), D(133), E(0) #836443