第4题: [多项选择]You have received a birthday gift from a friend of yours. Write a note to acknowledge the gift and express your thanks. Marks will be awarded for content, organization, grammar and appropriateness. 参考答案:Dear Linda, What a surprise it is to get the birthday gift from you. I’m very happy to have your wishes. And the gift is so pretty, that I really love it. In fact, I’m going to give a birthday party tomorrow evening at home. I’d like you to come. Thank you again for the gift and your good wishes.
第34题: [单项选择]已知数据表A中每个元素距其最终位置不远，为节省时间，应采用的算法是 ______。 A. 堆排序 B. 直接插入排序 C. 快速排序 D. 直接选择排序 参考答案:B 答案解析:[知识点] 插入排序算法 [评析]当数据表A中每个元素距其最终位置不远，说明数据表A按关键字值基本有序，在待排序序列基本有序的情况下，采用插入排序所用时间最少，故答案为选项B。
