【单选题】His statement is being seen as __________ criticism of the work of research laboratories.
【单选题】This rough life ______ to injure his health.
【判断题】连续光谱的白光与红绿蓝三色白光的显色指数相等
【单选题】低Ni低温钢焊接时,所用焊条的含Ni量应与母材相当或高于母材,但要注意,并非含Ni量高焊缝韧性一定好,当焊缝含Ni量超过 后,焊缝的韧性会下降。
【单选题】窗体上有一个名称为 TEXT1 的文本框和一个名称为 Command1 的命令按钮。要求程序运行时,单击命令按钮,就可把文本框的内容写到文件 out.txt 中,每次写入的内容附加到文件原有内容之后。下面能够正确实现上述功能的程序是( )
A.
Private Sub Command1_Click( ) Open ”out.txt” For Input As #1 Print #1,Text1.Text Close #1 End Sub
B.
Private Sub Command1_Click( ) Open ”out.txt” For Output As #1 Print #1,Text1.Text Close #1 End Sub
C.
Private Sub Command1_Click( ) Open ”out.txt” For Append As #1 Print #1,Text1.Text Close #1 End Sub
D.
Private Sub Command1_Click( ) Open ”out.txt” For Random As #1 Print #1,Text1.Text Close #1 End Sub