在军领域里,层次最高,指挥的范围最广,各项工作的“龙头”和总纲,各种活动的依据是()
A、战术
B、战略
C、方针
D、政策
参考答案:B
Bill asked his father _____ and play football.[ ]
A. let him to go
B. let him to
C. to let him go
D. to let him to go
“先工作后判断”的循环程序结构中,循环体执行的次数最少是( )次。
A.1
B.0
C.2
D.不定