题目

 On AIDS Day, the minister of Health Department demanded that the problems ________ paid special attention to. A. referred to being     B. referred to be     C. refer to being      D. refer to be 答案：B被称为“圆舞曲之王”的音乐家是A.贝多芬B.莫扎特C.约翰.斯特劳斯D.肖邦