染色体代换

Sleepwalking

Alice: Hello, I'm AliceStephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to tell stories in my sleep. Al

发表于:2018-11-29 / 阅读(249) / 评论(0)

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奥运28大项第11课 Basketball 篮球 01

北京奥运28大项参与，竞争，分享，进步 Basketball 篮球英文原文 On a competition level, a team is made of 5 players playing on the court and 5 players sitting on the bench that can be used for substitution during the game. Each player is assigned a p

发表于:2018-12-05 / 阅读(158) / 评论(0)

奥运28大项比赛

GRE写作的11种修辞手法

应用修辞是让我们的语言更富于形象性，当我们运用不同的词汇，不管高级还是低级，修辞的运用将会比普通的词汇更有文学层面上的意义，从修辞中我们可以增加想要说明的效果，创造更有

发表于:2018-12-08 / 阅读(172) / 评论(0)

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新东方赵丽词汇课堂 Lesson 96

新东方赵丽词汇课堂 Lesson 96听力下载

发表于:2018-12-15 / 阅读(223) / 评论(0)

新东方赵丽词汇课堂

SSS 2009-12-10

Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

发表于:2018-12-24 / 阅读(156) / 评论(0)

Scientific American(十二)月

趣味青春英语第22期:Like a moth to a flame

Idiom: Like a moth to a flame ( doing something attractive and dangerous ) Hit the book: Potion Disability Inspire Down syndrome Chromosome

发表于:2018-12-27 / 阅读(199) / 评论(0)

趣味青春英语

【一起听英语】梦游症

梦游症是会遗传的。 Alice: Hello, I'm Alice Stephen: And I'm Stephen. Alice: And this is 6 Minute English! This week were talking about sleepwalking. Have you ever walked in your sleep, Stephen? Stephen: I dont think so, but Ive been known to

发表于:2018-12-27 / 阅读(212) / 评论(0)

一起听英语

微分方程04：一阶方程代换法

分集介绍：这一讲介绍换元法（或译作代换法，substitution method），并以此为思想将某些特定形式的一阶方程转化为可分离变量方程或线性方程。本讲用换元法解决了两类特定的一阶方程，即伯

发表于:2019-01-05 / 阅读(178) / 评论(0)

麻省理工学院公开课：微分方程

微分方程03：一阶线性常微分方程解法

发表于:2019-01-05 / 阅读(187) / 评论(0)

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The extinction of men

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(228) / 评论(0)

六分钟英语

2005年NPR美国国家公共电台九月-Scientists: Male Chromosome Won't Lead to

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(407) / 评论(0)

2005年NPR美国国家公共电台

GRE写作中的11种修辞手法

发表于:2019-01-08 / 阅读(161) / 评论(0)

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VOA慢速英语2010年-Health Report - Study Finds No Reason

This is the VOA Special English Health Report. A miscarriage is the natural loss of a pregnancy before the twentieth week. This happens to as many as twenty percent of known pregnancies. Experts say many pregnancies end before a woman even knows she

发表于:2019-01-11 / 阅读(157) / 评论(0)

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发表于:2019-02-01 / 阅读(186) / 评论(0)

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英语四级词汇真题强化训练 (第六十期)

本期真题 1. The little girl was so frightened that she just wouldn't ________ her grip on my arm. A) loosen B) remove C) relieve D) dismiss 2. He never arrives on time and my ________ is that he f

发表于:2019-02-01 / 阅读(173) / 评论(0)

英文语法词汇

经济学人:自闭症为什么不是雨女

Autism 自闭症 Why it's not Rain Woman 为什么它不是雨女 Women have fewer cognitive disorders than men do because their bodies are better at ignoring the mutations which cause them 与男性相比，患有认知障碍的女性较少，因为她

发表于:2019-02-16 / 阅读(140) / 评论(0)

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在GRE写作中，我们常用的26种修辞手法应用得并不多，一般常用的也不过十几种，在写作中恰当的运用修辞，会使文章看起来更加生动。 1) Simile(明喻)：It is a figure of speech which makes a comparison

发表于:2019-02-18 / 阅读(161) / 评论(0)

GRE作文

这些健康新知识你了解多少

1 Compared with conventional beef, grass-fed beef is higher in this health-promoting nutrient, which gives its fat a yellow color: 1、与传统牛肉相比，草饲牛肉中某种有益健康的营养素含量更高，并让脂肪呈现黄色，这种

发表于:2019-02-18 / 阅读(217) / 评论(0)

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考研词汇辨析 11

cramp sb.'s style妨碍某人 high style女装的新款式 in style别具风格的 in the style of仿…式样 like [as if] it's going out of style (fashion)不值钱 live in style过上豪华生活 o

发表于:2019-02-18 / 阅读(197) / 评论(0)

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新GRE写作修辞手法怎样运用

GRE写作如何运用修辞?GRE写作修辞手法的应用可以为同学们赢得高分，GRE写作修辞手法的应用无论词汇是简单的还是比较复杂的，都能增加想要说明的效果，不动声色地为自己的水平加分。 GR

发表于:2019-02-19 / 阅读(150) / 评论(0)

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