为保证原料堆放安全，堆放原则中重要的一点是（）。
参考答案：同规格堆放同一垛
DNS表示域名系统，可以将域名解析成IP地址。
Which of the following nursing diagnoses would be most appropriate when teaching the mother of a toddler()
A. Activity intolerance.
B. Risk for injury.
C. Delayed growth and development.
D. Impaired mobility.
