A:{0,1,2,3,4}
B:{1,2,3,4}
C:{0,1,2,3,4,5}
D:{1,2,3,4,5}
判断对错
1:5的前项、后项都除以 15 ,它们的比值不变。
— Lily is about the competition.
— Yes, she is afraid that she won't win.
My work is interesting but ______ dangerous.