Which switch would STP choose to become the root bridge in the selection process?（） [" 32768: 11-22-33-44-55-66"," 32768: 22-33-44-55-66-77"," 32769: 11-22-33-44-55-65"," 32769: 22-33-44-55-66-78"]
中世纪末期，最早表现出对古典艺术兴趣的是意大利雕塑家（）。
高血压心脏病患者，突然呼吸困难，吐粉红色泡沫痰，血压180/120mmhg，以下哪种药物可作为首选用药：（） ["利血平","硫甲丙脯酸","哌唑嗪","硝普钠","尼群地平"]
最为普遍的广告版面形态是（） ["图片型","文字型","图文型","立体型"]
下面哪项是慢支发生、发展的重要因素：（） ["有害气体（颗粒）及感染","遗传因素","运动","情绪变化","进食不当"]
企业的定价方法。
