【单选题】290 通常恒速干燥阶段除去的水分是( )。
【简答题】What do you think is the easiest thing about English writing? Why? What do you think is the hardest thing about it? What do you think you need to practice more this term? What do you hope to learn in ...
【简答题】通常恒速干燥阶段除去的水分是_______。
【判断题】红色和灰色的搭配,其中灰色纯度较高,但明度却不高,给人一种厚重,和红色的搭配使得整体显得华丽。