与别人初次见面,应说: ( )A. What's your name? B. Nice to meet you. C. Show me your name. 答案:【答案】B【解析】与别人初次见面,用Nice to meet you.见到你很高兴。What's one's name?是询问某人姓名的。故选B。在含有1 mol HNO3和2 mol H2SO4的混合稀溶液中,加入1.5 mol Cu,加热,充分反应后产生的气体体积在标准状况下约为( ) A.5.6 L B.11.2 L C.22.4 L D.44.8 L