高等数学(上) 导数速查卡 (变体D 第34份) 涵盖：导数定义 | 基本导数公式 | 链式法则 | 隐函数/参数方程求导 | 高阶导数 | 莱布尼茨公式 | 相关变化率 =======================================...

CET4 翻译常考词 CET4 Translation Drill (15) Name: __________ Date: __________ Score: __________ 翻译实战: 中国社会主题 中文原文 中国的城市化进程在过去几十年里取得了举世瞩目的成就。...

CET6 写作模板 CET6 Writing Template (132) Topic: __________ Date: __________ Score: __________ Part I: Writing Prompt Directions: For this part, you are allowed 30 minutes to write...

CET6 翻译常考词 CET6 Translation Practice (75) Date: __________ Score: __________ Time: 30 min Part I: Chinese-to-English Translation (30 minutes) Directions: Translate the followi...

CET6 听力技巧 CET6 Listening Drill (125) Name: __________ Date: __________ Score: __________ Section A: Long Conversation Listening Script M: Hey, have you decided on the topic for...

CET6 听力技巧 CET6 Listening Drill (183) Name: __________ Date: __________ Score: __________ Section A: Long Conversation Listening Script M: Hey, have you decided on the topic for...

高等数学（上）公式手册 编号：010 一、极限公式 1. 极限四则运算： lim [f(x) ± g(x)] = lim f(x) ± lim g(x) lim [f(x)·g(x)] = lim f(x)·lim g(x) lim [f(x)/g(x)] = lim f(x)/lim g(x) ...

CET4 写作模板 CET4 Writing Template (197) Name: __________ Date: __________ Score: __________ [Variant 2] Type: Problem-Solution Essay Writing Topic: How to Tackle the Problem of S...

线性代数 公式速记 - 特征值 编号：093 一、特征值与特征向量的定义 1. Ax = λx，x≠0，则 λ 为 A 的特征值，x 为对应的特征向量。 2. 特征多项式：f(λ) = |A-λE| = 0。 3. 特征方程：|A-λ...

CET6 写作模板 CET6 Writing Template (142) Topic: __________ Date: __________ Score: __________ Part I: Writing Prompt Directions: For this part, you are allowed 30 minutes to write...