An American Professors Advice to Chinese Students 美国教授对欲赴美留学者的忠告 Try a little to stretch yourself and integrate into1 the greater society around you. Its definitely a challenge. It can be difficult and unpleasant. But it c

发表于:2018-12-06 / 阅读(47) / 评论(0) 分类 英语沙龙

分集介绍:这一讲教授讲到了2x2常系数齐次线性方程组各种情况的图像,以此希望给学生一个比较直观的感受,此类方程组解是什么样子。为此,教授引入了两州旅游竞争模型,分别就特征方

发表于:2018-12-09 / 阅读(51) / 评论(0) 分类 麻省理工学院公开课:微分方程

分集介绍:这一讲给出了齐次线性微分方程组x'=Ax的解耦解法,这是第三种方法。由于在自科和工程领域,方程组通常具有物理意义,解耦解法能偶提供对解更为本质的认识,因此教授将其作为

发表于:2018-12-09 / 阅读(50) / 评论(0) 分类 麻省理工学院公开课:微分方程

pro开头的单字群组 protect--保护 provide--提供 produce--生产 professor--教授 pro开头的单字群组 project--计划 promise--承诺 progress--进步 problem--问题 probably--大概

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 用听的背单词-基础2000MP3(h-z)

新生报到,和同学打招呼 A: Hi. What's your name? B: My name is Jung Min. What's your name? A: My name is Jessica. It's nice to meet you. B: Yes. It's nice to meet you too. Are you a new student too? A: No. I'm a sophomore. I take it you are

发表于:2018-12-28 / 阅读(88) / 评论(0) 分类 中级-Intermediate Listening

1. Q: Why can't professor Hill answer her question now? A) He will only be available in the afternoon. B) It's not his office hour. C) He doesn't have time. D) He is too tired after class. 2. Q: What do we learn from the conversation? A) The woman in

发表于:2018-12-29 / 阅读(81) / 评论(0) 分类 英语四级听力-短对话

1. Q: What do we learn from the conversation? A) The woman has trouble getting along with the professor. B) The woman regrets having taken up muchof the professor's time. C) The woman knows the professor has been busy. D) The woman knows the professo

发表于:2018-12-29 / 阅读(74) / 评论(0) 分类 英语四级听力-短对话

1. Q: What did the man complain? A) The professors presentation was not convincing enough. B) The professors lecture notes were too complicated. C) The professor spoke with a strong accent. D) The professor spoke too fast. 2. Q: What does the man mea

发表于:2018-12-29 / 阅读(75) / 评论(0) 分类 英语四级听力-短对话

One day a professor entered the classroom and told the students about a surprise test. After hearing that all students were seated and waited for the test to begin. Now, the professor gave the test papers to all students with text facing down at the

发表于:2019-01-03 / 阅读(38) / 评论(0) 分类 实用英语

分集介绍:这是一阶方程组的第一讲,首先引入了形如x'=f(x,y,t);y'=g(x,y,t)的一阶方程组。教授讲了一些实际用到一阶方程组的例子,然后利用煮鸡蛋的例子,演示了如何用比较直观的消元法来求

发表于:2019-01-05 / 阅读(48) / 评论(0) 分类 麻省理工学院公开课:微分方程

分集介绍:这是拉普拉斯变换的最后一讲,教授主要讲到了脉冲输入、狄拉克函数等内容。函数严格意义上来说并不能算函数,它是其它点处都为0,0点处为无穷大,且积分为1的广义函数,教

发表于:2019-01-05 / 阅读(43) / 评论(0) 分类 麻省理工学院公开课:微分方程

分集介绍:可以说是雷文教授开课以来最有趣的一节课。本节课你可以知道乐器的基本工作原理,声腔在其中起到了什么作用。6位同学亲自上台演奏互动。更有奇妙的节点线,让人叹为观止。

发表于:2019-01-05 / 阅读(104) / 评论(0) 分类 麻省理工学院公开课:振动与波

分集介绍:有理函数是一大类函数。如果对于它们,我们也不能解析地写出原函数的话,那绝对是令人沮丧的。但是,上帝还是不忍心让数学家们失望的。这节课上,教授告诉我们。如何才能

发表于:2019-01-05 / 阅读(353) / 评论(0) 分类 麻省理工学院公开课:单变量微积分

A: Excuse me, professor. I need to go home now. B: Is everything OK? A: I just feel funny. B: What exactly seems to be the matter? A: I have a terrible headache. B: Do you think that you should go to the Student Health Center? A: I already have some

发表于:2019-01-15 / 阅读(79) / 评论(0) 分类 英语情景对话-健康

情景对话: The other one, out in the RV, he's uh...You're sure? Yes. You're positive? You're feel free to go check it yourself. 知识点讲解: Are you sure? 你确定? You're sure? 你确定? 【例句一】 Do we really need that much g

发表于:2019-01-24 / 阅读(44) / 评论(0) 分类 每天三分钟学英语

Do You Know Who I Am? 你知道我是谁吗? It was the final examination for a Biology course at a university. 这是一所大学的生物课期末考试。 It was designed to weed out some students. 考试旨在淘汰部分学生。 The examination

发表于:2019-02-15 / 阅读(50) / 评论(0) 分类 经典双语笑话

银色克普顿錼影响了克拉克造成不断看到偏执惊恐幻象. 也让相信克洛伊将出卖秘密强纳森与莱诺将联手对抗甚至雷克斯与拉娜也秘密一起. 众人束手无策之下Fine教授竟然出现救了克拉克.

发表于:2019-02-18 / 阅读(110) / 评论(0) 分类 超人前传

Thanks to the American Film Institute for, ever since 1966, 1967 creating this place where talented and gifted young people, and not so young people, 感谢美国电影学会,自1966、1967年设立这个地方让有才华、有天份的年轻人、以

发表于:2019-02-20 / 阅读(57) / 评论(0) 分类 欧美人文风情

A: Can you help me with something, sir? B: What do you need? A: Well, I was planning on transferring soon. B: Where are you going to transfer? A: I want to transfer either to NYU or UCLA. B: I'm glad to hear that, but what can I do for you? A: I was

发表于:2019-02-27 / 阅读(121) / 评论(0) 分类 转学-Transferring to a Universit

[00:02.87]复习课11 伯菲教授 [00:05.75]Professor Boffin lives opposite the Clarks. [00:08.20]伯菲教授住在克拉克一家对面. [00:10.66]He is a very clever man,but he never remembers little things. [00:13.86]他是个非常聪明的人.可

发表于:2019-03-15 / 阅读(193) / 评论(0) 分类 新概念英语青少版第二册