给下列句子排列顺序。 ( ) What should you do then? ( ) First, I dig a hole in the soil. ( ) Put the tree in the hole and fill it with soil. ( ) I'm going to plant a tree. ( ) How do you do that?
【简答题】将饱和空气在恒压下冷却,温度由 t 1 降至 t 2 ,其相对湿度( ),绝对湿度( ),( )。 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> A . 增加、减小、不变 B . 不变、减小、减小 C . 降低、不变、不变 D . 不确定