【单选题】回转体动平面如图a所示,沿Y轴回转得到的轴测图是:【图片】
【单选题】My mother ________ as an architect since she graduated from Tongji University.
【单选题】My mother_____ in that factory at the age of 18.
【单选题】后肢和腹部发生水肿时,应仔细检查心、肝、肾等器官,如有病变,则进行沙门氏菌检查,阳性的,切除病变部分,其余部分( )。
【单选题】CMYK颜色模式主要应用于_______行业。