A:单质
B:分子
C:原子
D:元素
— I tried to make Alice her mind but I found it difficult.
—Well, I saw you that when l went past.
25×34﹣(﹣25)×12+25×14.
①血管壁破损 ②长期蛋白质营养不足 ③淋巴管阻塞
④毛细血管的通透性增加 ⑤肾炎导致血浆蛋白丢失.
A. 燃烧 B.酒精挥发C.钢铁生锈D. ____.
观察漫画,回答问题。