题干
— In addition, you and I have lots of things in common.
— I really can't agree more.
A：However
B：Besides
C：At last
答案(点此获取答案解析）
B
— In addition, you and I have lots of things in common.
— I really can't agree more.
A：However
B：Besides
C：At last
（铪），它的中子数是（ ）