【判断题】In a semi casual event, women could wear dress, dress suit, pant suit,or cocktail dress, which should be no more than one inch above the knee, and be made of silk or velvet fabric.
【多选题】In a semi-casual event, women could wear______________.
【单选题】梁中受力纵筋的保护层厚度主要由以下那个因素决定 ?
【判断题】革兰氏染色法实验中, G-会被结晶紫染成紫色,G+则染成沙黄的红色。
【多选题】年金是一种特殊的等级系列收付款项,其特点包括( )。