【单选题】Although we tried to concentrate on the lecture, we were __________by the noise from the next room.
【单选题】We were listening closely to the lecture yesterday evening when suddenly the light ________. [ ]
【单选题】下列制品缺陷中不属于表面质量缺陷的是( )
【单选题】主要作用于M期,抑制细胞有丝分裂的药物是
【单选题】放线菌素D的主要作用机制是
B.
与脱氧核糖核酸联结而破坏脱氧核糖核酸结构和功能
D.
阻碍纺锤丝形成,从而阻断有丝分裂,使细胞分裂停止于M期
【简答题】下列制品缺陷中不属于表面质量缺陷的是( )A. 应カ发白 B. 冷疤 C. 云纹 D. 缩孔