气相色谱仪在工作过程中汽化室的温度应高于检测器和色谱柱的温度。 发布时间:2020-11-22 23:16 │ 来源:www.tikuol.com 题型:判断题 问题: 气相色谱仪在工作过程中汽化室的温度应高于检测器和色谱柱的温度。
题型:判断题 在窗体中有一个命令按钮Command1和一个文本框Test1,编写事件代码如下: Private Sub Command1_Click() For I = 1 To 4 x = 3 For j = 1 To 3 For k = 1 To 2 x= x + 3 Next k Next j Next I Text1.Value = Str(x) End Sub 打开窗体运行后,单击命令按钮,文本框Text1中输出的结果是A.6B.12C.18D.21 查看答案
题型:判断题 —Oh, sorry, what did you say just now? —I asked _______.[ ]A. Where he comes from B. where did he come fromC. where he came from D. when did he go 查看答案