【判断题】When you perform an introduction,the less important person is presented to the more important one, so the clients are introduced to the boss.
【判断题】The most important person in the British political system is the Prime Minister.
【判断题】The most important person in the British political system is the Prime Minister.
【单选题】国内家电生产企业主要产品已进入产品生命周期的成熟期,它们选择的目标市场营销战略应当是 。
【单选题】图纸标题栏中比例为1:2,局部放大图比例为2:1,则主视图中某条线段的长度标注为“10”,该线段的实际长度为( );局部放大图标注为“5”的线段,其实际尺寸为( )。
【单选题】计算机的外部设备包括输入设备,输出设备和( )