要用冲床在厚度为£的钢板上冲出一圆孔,则冲力大小()。
A.与圆孔直径的平方成正比
B.与圆孔直径的平方根成正比
C.与圆孔直径成正比
D.与圆孔直径的三次方成正比
参考答案:C
在窗体上画两个单选按钮,名称分别为Option1和OPtion2,标题分别为“黑体”和“楷体”;一个复选框,名称为Check1,标题为“粗体”。要求程序运行时,“黑体”单选按钮和“粗体”复选框被选中,则能够实现上述要求的语句序列是( )。
A.Option1.Value=TreeCheek1.Value=False
B.Option1.Value=TrueCheck1.Value=Tree
C.Option2.Value=FalseCheck1.Value=Tree
D.Option1.Value=TrueCheck1.Value=1
During the evening shift on the day of the client’s surgery, the nurse notices that the nasogastric tube drains 500 mL of green-brown fluid. What should the nurse do()
A. Record the amount of drainage on the client’s chart.
B. Irrigate the tube with normal saline solution.
C. Call the physician immediately.
D. Increase the intravenous infusion rate.