A.1d~2d B.2d~4d C.7d~14d D.15d~21d E.120d
A.合成反應(yīng) B.聚合反應(yīng) C.聯(lián)接反應(yīng) D.酶促反應(yīng) E.混合聚集反應(yīng)
A.UK、SK B.Ⅻa C.t-PA D.u-PA E.PAⅠ