染色体消失

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(200) / 评论(0)

六分钟英语

VOA慢速英语2011--Betty Friedan, 1921-2006: A Leader of the Modern Women’s Rights Movement

PEOPLE IN AMERICA - Betty Friedan, 1921-2006: A Leader of the Modern Womens Rights Movement FAITH LAPIDUS: Im Faith Lapidus. STEVE EMBER: And Im Steve Ember with PEOPLE IN AMERICA in VOA Special English. Today we tell about Betty Friedan. She was a p

发表于:2018-12-07 / 阅读(207) / 评论(0)

2011年VOA慢速英语(十)月

SSS 2010-06-29

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Those of you following the World Cup know that at this stage there can be no more draws. Ties are broken during overtime play, or in a penalty kick shootou

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Scientific American(六)月

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

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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(159) / 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(173) / 评论(0)

一起听英语

探究长寿基因

93 探究长寿基因 SCIENCE REPORT - September 12, 2001: Search for Long Life GeneBy Nancy Steinbach （Start at 1'01

发表于:2019-01-02 / 阅读(127) / 评论(0)

科技之光

Sharapova eliminated at China Open

BEIJING, Oct. 5 (Xinhua) -- Elena Vesnina of Russia eliminated（消除,排除） her compatriot Maria Sharapova 7-6(3), 6-2 in the second round of China Open here on Tuesday. As a former world number one and the 12th seed in Beijing, Sharapova was l

发表于:2019-01-07 / 阅读(137) / 评论(0)

英语新闻

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(200) / 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(358) / 评论(0)

2005年NPR美国国家公共电台

VOA慢速英语2009年-PEOPLE IN AMERICA - Betty Friedan,1921-200

VOICE ONE: Im Faith Lapidus. VOICE TWO: And Im Steve Ember with PEOPLE IN AMERICA in VOA Special English. Today we tell about Betty Friedan. She was a powerful activist for the rights of women. (MUSIC) VOICE ONE: Betty Friedan Betty Friedan is often

发表于:2019-01-11 / 阅读(121) / 评论(0)

VOA慢速英语2009年（十）月

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(121) / 评论(0)

2010年VOA慢速英语(八)月

VOA慢速英语2011--Eunice Kennedy Shriver, 1921-2009: She C

People in America - Eunice Kennedy Shriver, 1921-2009: She Changed the World for People with Mental Disabilities FAITH LAPIDUS: Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty with People in America in VOA Special English. Today we tell about Eunic

发表于:2019-01-12 / 阅读(243) / 评论(0)

2011年VOA慢速英语(八)月

VOA标准英语2013--World Bank President: Elimination of Poverty Possible

World Bank President: Elimination of Poverty Possible World Bank President Jim Yong Kim says the problems of poverty, hunger and inequality are massive, urgent and a matter of survival for millions. We know that despite the dramatic successes of the

发表于:2019-01-14 / 阅读(117) / 评论(0)

VOA标准英语2013年(四月)

VOA标准英语2013--Green Card Lottery Faces Elimination Under US Immigration Reform

Green Card Lottery Faces Elimination Under US Immigration Reform Two years ago Rafiq-ul-Islam won a U.S. permanent resident visa through the Green Card Lottery and came to the United States from Bangladesh -- with little more than the clothing he own

发表于:2019-01-14 / 阅读(154) / 评论(0)

VOA标准英语2013年(五月)

【文摘】男性生物钟

Tick-tock, tick-tock. Is that your biological clock? And if it is, are you female? Most people think biological clocks are strictly female phenomena, with infertility and the risk of certain diseases

发表于:2019-01-26 / 阅读(167) / 评论(0)

阅读空间

基因工程常用词汇

基因工程常用词汇 A 腺苷脱氨酶缺乏症 adenosine deaminase deficiency (ADA) 腺病毒 adenovirus Alagille综合征 Alagille syndrome 等位基因 allele 氨基酸 amino acids 动物模型 animal model 抗体 antibody 凋亡 apoptosis 路-巴综合征 ataxia-telangiectasia 常染

发表于:2019-02-01 / 阅读(110) / 评论(0)

英文语法词汇

2006年VOA标准英语-Environmentalists Urge Elimination of DDT

By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD

发表于:2019-02-12 / 阅读(237) / 评论(0)

2006年VOA标准英语（五月）

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(109) / 评论(0)

经济学人科技系列

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(176) / 评论(0)

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analogue input/output unit