题目

能促进细胞的分裂和生长,使枝叶长得繁茂的无机盐是   A．含氮的无机盐                      B．含磷的无机盐     C．含钾的无机盐                      D．含硼的无机盐 答案：A What does Kate look like now?A.Tall and shy. B.Short and beautiful. C.Tall and outgoing.