题型:判断题 现有三支试管,分别盛满HCl、CO2、O2气体,将它们分别倒放在盛有水的烧杯中,现象如图所示.实验说明三种物质的水溶性( )HClCO2O2A微溶可溶易溶B极易溶可溶微溶C微溶不溶易溶D极易溶不溶微溶A.AB.BC.CD.D 查看答案
题型:判断题 Which tool is used to open the strands of fiber lines when making an eye splice?()A.Belaying spikeB.FidC.HeaverD.Pricker 查看答案