普通记录涂改处加盖的人名章无法辨认时,该记录应视为()。
A.伪编
B.误编
C.无效
D.有效
参考答案:C
简述用力肺活量的测定方法。
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 Dim i As Integer Dim Ksc As Ang Open______ Y=3.14159/180 For i=1 To 90 Ksc.K=i Ksc.Sinx=Sin(i*Y) Ksc.Cosx=Cos(i*Y) ______ Next i Close #2 End Sub
A."..\Data1.txt"For Random As #1 Len=10 Put #1,i,Ksc
B."..\Data1.txt"For Random As #1 Len=10 Put #1,Y,Ksc
C."..\Data1.txt"For Random As #1 Put #1,i,Ksc
D."..\Data1.txt"For Random As #1 Put #1,Y,Ksc