在切削用量三要素中，对刀具耐用度影响最大的是（）。
A.切削速度
B.切削深度
C.进给量
D.背吃刀量
参考答案：A
人们从“所有的人都是要死的”和“张三是人”这两个真实的命题，推导出“张三会死”的新命题，这里所遵循的原则是( )
A．抽样—推论原则 B．演绎推理原则C．经验归纳原则 D．假计—检验原则
Acarbose (Precose), an alpha-glucosidase inhibitor, is prescribed for a client with type 2 diabetes mellitus. During discharge planning, the nurse would be aware that the client has understood teaching when the client states（）
A. "If I have hypoglycemia, I should eat some sugar, not dextrose. "
B. "The drug makes my pancreas release more insulin. "
C. "I should never take insulin while I’m taking this drug. "
D. "It’s best if I take the drug with the first bite of a meal. "
