【单选题】某电阻器用数字标注法标注标称阻值,电阻器上标注的数字为759,则电阻器的标称阻值为() A. 759Ω B. 7.5Ω C. 75kΩ D. 75MΩ
【单选题】某电阻器用数字标注法标注标称阻值,电阻器上标注的数字为759,则电阻器的标称阻值为() A. 759Ω B. 7.5Ω C. 75kΩ D. 75MΩ
下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)
下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)
以下正确的语句是____。 A: OpenFileDialog1.Filter=All Files|*.*|Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter="All Files"|"*.*"|"Pictures(*.Bmp)"|"*.Bmp" C: OpenFileDialog1.Filter="All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={All Files|*.*|Pictures(*.Bmp)|*.Bmp}
以下正确的语句是____。 A: OpenFileDialog1.Filter=All Files|*.*|Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter="All Files"|"*.*"|"Pictures(*.Bmp)"|"*.Bmp" C: OpenFileDialog1.Filter="All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={All Files|*.*|Pictures(*.Bmp)|*.Bmp}
以下正确的语句是____。 A: CommonDialog1.Filter= All Files|*.*|Pictures(*.Bmp)|*.Bmp B: CommonDialog1.Filter= "All Files"|"*.*"|"Pictures(*.Bmp) "|"*.Bmp" C: CommonDialog1.Filter= "All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: CommonDialog1.Filter= {All Files|*.*|Pictures(*.Bmp)|*.Bmp}
以下正确的语句是____。 A: CommonDialog1.Filter= All Files|*.*|Pictures(*.Bmp)|*.Bmp B: CommonDialog1.Filter= "All Files"|"*.*"|"Pictures(*.Bmp) "|"*.Bmp" C: CommonDialog1.Filter= "All Files|*.*|Pictures(*.Bmp)|*.Bmp" D: CommonDialog1.Filter= {All Files|*.*|Pictures(*.Bmp)|*.Bmp}
要查找所有BMP图形文件,应该在“查找”对话框的名称栏中输入()。 A: BMP B: BMP* C: *BMP D: *.BMP
要查找所有BMP图形文件,应该在“查找”对话框的名称栏中输入()。 A: BMP B: BMP* C: *BMP D: *.BMP
条码扫描设备从原理上可分为()条码扫描。 A: A光笔 B: BCCD C: C激光 D: D拍摄
条码扫描设备从原理上可分为()条码扫描。 A: A光笔 B: BCCD C: C激光 D: D拍摄
要查找所有BMP图形文件,应在“搜索”框中输入( ) A: BMP B: BMP.* C: *.BMP D: *.?BMP
要查找所有BMP图形文件,应在“搜索”框中输入( ) A: BMP B: BMP.* C: *.BMP D: *.?BMP
下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)
下列设置打开文件对话框OpenFileDialog1的Filter属性正确的是_________。 A: OpenFileDialog1.Filter=Pictures(*.Bmp)|*.Bmp B: OpenFileDialog1.Filter=["Pictures(*.Bmp)"|"*.Bmp"] C: OpenFileDialog1.Filter="Pictures(*.Bmp)|*.Bmp" D: OpenFileDialog1.Filter={Pictures(*.Bmp)|*.Bmp} E: OpenFileDialog1.Filter=(Pictures(*.Bmp)|*.Bmp)
77℉=
77℉=
扩展名是bmp的所有文件可表示为______。 A: bmp.* B: *.bmp C: ?.bmp D: *.*
扩展名是bmp的所有文件可表示为______。 A: bmp.* B: *.bmp C: ?.bmp D: *.*