【简答题】I’m glad to write to you. It is near a month since you had left our hospital. I’m still worried about you. How are you get along these days? I think you may be much better now, but I’d better have a g...
【单选题】CSS3 中,( )主要用来选择某个元素的第一级子元素。
【单选题】I’m glad to see you!
【判断题】理想气体混合物中,某组分的摩尔分率、体积分率、压力分率都相等。
【判断题】理想气体混合物中,某组分的摩尔分率、体积分率、压力分率、质量分率都相等。
【判断题】CSS3中,子代选择器主要用来选择某个元素的第一级子元素。
【判断题】理想气体混合物中,某组分的摩尔分率、体积分率、压力分率、质量分率都相等。
【单选题】Ling Feng won the first prize in the national English competition and I’m glad that her efforts at last ________.