A:该元素的原子序数是72
B:该元素的原子序数是113
C:该原子是一种新原子
D:该元素是一种新元素
判断是否动脉出血,要看( )
-- Miss Wang, I'm sorry I am late because I _______ to catch the early bus.
-- It doesn't matter. You'd better come to school earlier next time.
读一读,连一连