题目

When asked by news reporters , the film star of stage and screen       that he would pay a visit to America next week.          A. identified    B. proposed    C. approved    D. confirmed 答案：D下列都是生活中常见的现象，其中一个与其它三个有本质区别的是（ ）A．樟脑丸升华B．食物腐败C．木材制桌椅D．车胎爆炸