焊丝按形状结构可分为()
A.实芯焊丝
B.实心焊丝
C.活性焊丝
D.药芯焊丝
参考答案:B, C, D
下列事件过程的功能是:建立一个名为Datal的随机文件,存放角度值及这些角度的正弦函数值和余弦函数值,角度为1,2,3,…,90。请在空白处填入适当的内容,将程序补充完整。 Private Type Ang K As Integer Sinx As Single Cosx As Single End Type Dim Ksc As Ang Private Sub Form_Click() Dim Y As Single Open (14) Y=3.14159/180 For i=1 TO 90 Ksc.K=i Ksc.Sinx=Sin(i*Y) Ksc.Cosx=Cos(i*Y) (15) Next i Close#2 End Sub
下列哪些不属于阿片类药物依赖性治疗的方法()
A.美沙酮替代治疗
B.可乐定治疗
C.东莨菪碱综合戒毒法
D.预防复吸
E.递减法逐步脱瘾