室间隔缺损初期所引起的血液分流方向是（）
A.自右向左
B.自左向右
C.双向分流
D.先向左，后向右
E.先向右，后向左
参考答案：B
I prefer buying her some presents _____ her some money. [ ]
A. to giving
B. to give
C. give
D. than give
性偏好障碍包括（）
A.恋物症
B.露阴症
C.窥阴症
D.异装症
E.以上都对
