题型:选择题 据报道,用一定浓度的乙醇处理5分钟,即可杀灭活甲型HlNl流感病毒.以下关于乙醇(化学式:C2H6O)说法不正确的是( )A.乙醇可用作消毒剂B.乙醇中碳、氢、氧三种元素的质量比为2:6:lC.乙醇由碳、氢、氧三种元素组成D.乙醇是一种可再生能源 查看答案
题型:选择题 I had finished my homework and________watch the Olympics when the power was cut off. [ ]A. was going to B. was about toC. was to D. would 查看答案