__________ the program , they have to stay there for another two weeks.
A:Not completing
B:Not having completed
C:Not completed
D:Having not completed
下列关于动量说法中正确的是( )
被伊斯兰教、基督教和犹太教奉为圣城的是
已知偶函数y=f(x)满足条件f(x+1)=f(x﹣1),且当x∈﹣1,0时,f(x)=3x+49,则f(log135)的值等于( )