如果甲数是乙数的15倍,下列哪个式子是对的?[ ]
A.甲数=乙数×15
B.乙数=甲数×15
C.15=甲数×乙数
答案:A
重力选煤方法主要有()、()、()、()和()。
girls took part in the Super Girl competition, but only few of them succeeded.
A.One million of
B.Thousands and millions
C.Millions of
D.Two millions