题干
They always get on well ________ each other.
A：at
B：in
C：for
D：with
答案(点此获取答案解析）
D
They always get on well ________ each other.
A：at
B：in
C：for
D：with
3倍，Z、W、R处于同一周期，R与Y处于同一族，Z、W原子的核外电子数之和与Y、R原子的核外电子数之和相等。下列说法正确的是
