管理软件由零件程序的()、显示程序和诊断程序等组成。控制软件由译码程序、刀具补偿计算程序、速度控制程序、插补运算程序和位置控制程序等组成。
参考答案:输入输出程序
You can buy shoes _____.[ ]
A. for only 15 dollars each
B. only each for 15 dollars
C. for each only 15 dollars
D. only 15 dollars for each
-Where are the boys of Class Five?
-I saw them _________basketball on the playground.
A. played B .playing C. to play