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【单选题】
不能用离子方程式：CO 3 2- +2H + =CO 2 ↑+H 2 O来表示的反应是（ ）A.
CaCO 3 +HCl
B.
K 2 CO 3 +H 2 SO 4
C.
Na 2 CO 3 +HNO 3
D.
Na 2 CO 3 +HCl
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【单选题】The view menu is used to display the document in one of several view modes. The view mode " " makes it easy to look at the structure of a document.
A.
Normal
B.
Web Layout
C.
Outline
D.
Print Layout
【单选题】You need to add a pop-up menu to the CV_EMP canvas to display when a user right-clicks the mouse within the canvas. How could you create the pop-up menu?（）
A.
Use the Layout Editor to create a pop-up menu, assign commands to the menu in the Menu Editor, and attack the menu items to the canvas.
B.
Use the Report Wizard to create a pop-up menu and attack the menu items to the canvas.
C.
Alter the pop-up Menu Property value in the Property Palette of the canvas.
D.
Use the Object Navigator to create a pop-up menu, assign commands to the menu items, and attack the menu to items or canvases.
【简答题】男性双人沙发的长度尺寸范围( )mm,宽度( )mm
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