【单选题】These shoes are too big. Ask the clerk to bring you a smaller ______.
【单选题】These shoes are too tight for me.
【单选题】If these shoes are too big for you,buy a smaller______.
【单选题】If these shoes are too big, ask the clerk to bring you a smaller______.
【单选题】对于车刀圆弧半径补偿,以下说法正确的是( )。
A.
为了提高刀具寿命和降低工件表面粗糙度,车刀通常都有一个半径很小的圆弧
B.
在车削外圆、端面、内孔和圆弧时,刀尖圆弧会造成过切或欠切现象
C.
为了避免刀尖圆弧造成的过切或欠切现象,编程时,工件尺寸要加上刀尖圆弧半径
【判断题】一般视点选择越低,地面升起坡度越大;视点选择越高,地面升起坡度就越小。视点高度的选择要满足人的视线不受遮挡。
【单选题】These shoes are too small. You may buy some ____ shoes.
【单选题】单项选择。 These shoes are too small for me. Would you please show me pair? [ ]