2005年1月全国大学英语四级考试真题和答案 Part I Listening Comprehension(20 minutes) Section a Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken

2004年6月全国大学英语四级考试真题和答案 Part I Listening Comprehension(20 minutes) Section a Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked

2003年12月全国大学英语四级考试真题和答案 Part I Listening Comprehension(20 minutes) Section a Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only

2003年9月全国大学英语四级考试真题和答案 Part I Listening Comprehension(20 minutes) Section a Directions: In this section, you will hear 10 short conversation. At the end of each conversation, a lestion wilt be asked about what was said. Both the conversation and the question will be spoken only

2003年1月全国大学英语四级考试真题和答案 Part I Listening Comprehension(20 minutes) Section a Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked

2002年6月全国大学英语四级考试真题和答案 Part I Listening Comprehension (20 minutes) Section A Directions: In this section, you will hear 10 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked

第四章变压器的并联运行 变压器并联运行是电力变压器的实际运行方式。 1本章主要内容:变压器理想并联运行的情况和条件;具体逐一分析不满足这些条件时的问题及实际并联运行的条件。 2本章重点:并联运行的各台变压器如果短路阻抗标ㄠ值大小不同时,它们的负载分配不同,其容量分配与短路阻抗标值之间的关系是:

第一章 发展环境 第二章 总体要求 第三章 培养一流领军人才 第四章 筑就科技创新高地 第五章 深化一流学科建设 第六章 建设一流师资队伍 第七章 开拓国际合作新局面 第八章 建设一流大学文化 第九章 推进治理现代化 第十章 勇于担当社会责任 第十一章 建设美丽和谐校园 第十二章 优化发展支撑保障 第十三章 加强党的全面领导 第十四章 强化组织实施

一、单项选择题(本大题共15小题,每小题2分,共30分)在每小题列出的四个选项中只有一个是符合题目要求的,请将其代码填在题后的括号内。错选或未选均无分 1.下列各式中,按增长率由小至大的顺序正确排列的是() .,n!, 2\, B.,2\, nlogn,2100 C.2n, logn, nlogn, n3/2 D.2100, logn, 2n

一 氢原子的薛定谔方程 二 量子化条件和量子数 三 基态径向波函数和电子分布概率 四 激光器的特性和应用