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Extracted text: this is multiple choice questions, please try to answer all for me , thank you (3) Measure the length of a slash. The marking method is (). A. Linear dimension B. aligned dimension C. continuous dimension D. baseline dimension (4) The original CAD file format is (). A. dwg B. dxf C. dwt D. dws (5) Which of the following commands changes a polyline to a line (). A, save B, explode C, block D, wblock (6) In the following commands, you can copy and rotate the original object is ( ). A. Copy command B. rectangle command C. mirror command D. array (7) In text input, the code representing the special character degree is ( ). A, %%u B, %%c C, %%p D, %%d (8) All options in the zoom command, which means (). A. Display all drawing objects in the drawing window B. restore the previous view C. Display all drawing objects within the drawing limits D. zoom in on the drawing from the center (9) In the standard colors of layers, the default color of layers is (). A. Red B. black C. blue D. yellow (10) Layer operations that do not affect drawing display are (). A. Lock layer B. delete layer C. turn layer on D. turn layer off (11) The following options are not part of the grip function (). A. Stretch B. copy C. move D. align (12) The following options are relative coordinates (). A, 13,45 B, @20,30 C, 13<45d d,=""><90 (13) which of the following object snap methods can be used to snap to the midpoint of a line segn a. endpoint b. center c. midpoint d. quadrant point (14) before inserting a block, you must do (). a. determine the insertion point of the block b. determine the block name c. select the block object d, and determine the block position (15) circular array defines the number and distribution of array objects by ( ). a. total number of projects and angle between projects b. total number of projects and base point location c. filling angle and angle between items d, total number of items and filling angle (13)="" which="" of="" the="" following="" object="" snap="" methods="" can="" be="" used="" to="" snap="" to="" the="" midpoint="" of="" a="" line="" segn="" a.="" endpoint="" b.="" center="" c.="" midpoint="" d.="" quadrant="" point="" (14)="" before="" inserting="" a="" block,="" you="" must="" do="" ().="" a.="" determine="" the="" insertion="" point="" of="" the="" block="" b.="" determine="" the="" block="" name="" c.="" select="" the="" block="" object="" d,="" and="" determine="" the="" block="" position="" (15)="" circular="" array="" defines="" the="" number="" and="" distribution="" of="" array="" objects="" by="" (="" ).="" a.="" total="" number="" of="" projects="" and="" angle="" between="" projects="" b.="" total="" number="" of="" projects="" and="" base="" point="" location="" c.="" filling="" angle="" and="" angle="" between="" items="" d,="" total="" number="" of="" items="" and="" filling="">