子程序的使用既简化了编程工作，又了（）程序的长度。
A.改变
B.缩短
C.省略
D.增加
参考答案：B
After hours of searching, their patience was ____ and they found what they were looking for.
[ ]
A. confirmed
B. evaluated
C. promoted
D. rewarded
汽动给水泵泵热控保护中已取消的有那些？
