问题 填空题


A How to Use a Painting Knife 使用画刀的方法
Painting with a knife is a bit like putting butter on bread and produces quite a (1) result to a brush. Painting knives are excellent for producing textured, impasto work and (2) areas of flat colour.
What’s the difference between a palette knife and a painting knife
A palette knife is a long, straight spatula that is used (3) mixing paints and scraping a palette clean. They’re made from metal, plastic, or wood and (4) either be completely straight or have a slightly bent handle. A painting knife has (5) large crank in the handle, which takes your hand away from the painting surface. They (6) in numerous shapes(for example pear-, diamond-, or trowel-shaped) and are used for painting (7) of a brush. The edge of the knife is blunt, so that it doesn’t cut the (8) .
·What shape of painting knife should I use
Different shaped painting knives produce different effects. For example, a short blade produces angular strokes (9)a long blade makes it easy to put down sweeps of colour.
·Why can’t I use a palette knife to paint with
You can. Painting (10) just have the advantage of coming in more angular shapes and with sharper points. And (11) larger crank in the handle means there’s less chance of rubbing your knuckles into wet (12) . If you’re unsure whether you’re going to enjoy painting with a knife, first buy a (13) , plastic palette knife and experiment a bit with this before upgrading to a wood-and-metal knife.
·How do I use painting knife
(14) the handle firmly so you’re got good control. Pick up some paint off your palette (15) the tip, as you’d pick up some butter with a knife. Use the side of the (16) to spread paint across your canvas, or press it onto the canvas, as you (17) spread butter across a slice of bread.It’ll seem strange at first as it’s quite (18) to using a brush. Using just the tip of the blade will produce small dots. (19) the edge of the knife down will produce fine lines. Pressing the blade flat down (20) the paint will produce ridges. Scrape back into the paint to reveal underlying layers (called sgraffito).

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[说明]
某文件管理系统的图片浏览器如图3-19所示。运行程序时,用户只要通过驱动器列表框、目录列表框和文件列表框,选择文本文件所在的驱动器、文件夹及相应的文件名后,在图像框中将显示出相应的文件图像。
在开发过程中,假设驱动器列表框名为drvFile,目录列表框名为 dirFile,文件列表框名为filFile,选择文件类型组合框名为cboFile,图像框名为imgShow。


图3-19 图片浏览器
[Visual Basic程序]
Private Sub Form_Load ()
imgShow.Stretch=True
cboFile.Addltem "位图文件(*.bmp)"
cboFile.Addltem "图标文件(*.ico)"
cboFile.Addltem "图元文件(*.wmf)"
cboFile.Addltem "JPEG文件(*.jpg)"
cboFile.Addltem "GIF文件(*.gif)"
cboFile.ListIndex = 0
(1)
End Sub
Private Sub drvFile_Change ()
(2)
End Sub
Private Sub dirFile_Change ()
(3)
End Sub
Private Sub cboFile_Click ()
(4)
Case 0
filFile. Pattern= "*.bmp"
Case 1
filFile. Pattern= "*.ico"
Case 2
filFile. Pattern= "*.wmf"
Case 3
filFile. Pattern= "*.jpg.
Case 4
filFile. Pattern= "*.gif"
End Select
End Sub
Private Sub filFile_Click()
If (5) Then
imgShow. Picture= LoadPieture(filFile. Path+ filFile.FileName)
Else
imgShow. Picture= LoadPicture( (6) + "\" + (7) )
End If
End Sub
1. [问题1]
请根据[说明]和图3-19的显示结果,从以下备选答案中为程序(1)~(7)空缺处选择正确的答案。
[备选答案]
A. filFile.pathB. dirFile.Path=drvFile.Drive
C.Right(filFile.Path,1) = "\" D.filFile.Pattern ="*.bmp"
E.filFile.Path = dirFile.Path F.filFile.FileName
G.Select Case cboFile.ListIndex

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