采用固定循环编程,可以______。
A.加快切削速度,提高加工质量
B.缩短程序的长度,减少程序所占内存
C.减少换刀次数,提高切削速度
C.减少吃刀深度,保证加工质量
参考答案:B
His friends suggest that he should take any job he can get and shouldn't _____ and choose. [ ]
A. pick
B. take
C. start
D. mind
室内蟑螂为何越来越多?