【简答题】列举集合的元素:A={x| <50,x为正奇数}=___________。(注意:输入答案时全部在英文状态下输入)< /div>
【单选题】Much to our , the result of the experiment was much better than we had expected. [ ]
【单选题】We had better not bother our professor these days, for he is awfully busy preparing a report _____ at an international conference next month. [ ]