题干
—Della likes dancing, but doesn't like swimming.
—____________.
A：So does Mary
B：Neither does Mary
C：So it is With Mary
D：Nor does Mary
答案(点此获取答案解析）
C
—Della likes dancing, but doesn't like swimming.
—____________.
A：So does Mary
B：Neither does Mary
C：So it is With Mary
D：Nor does Mary
方向计算)
表示氧原子， 
表示氢原子．根据此图，试分别从物质组成、分子构成、物质变化的角度各说出一种观点．