三连染色体

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(100) / 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(155) / 评论(0)

2005年NPR美国国家公共电台

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(50) / 评论(0)

2010年VOA慢速英语(八)月

科摩罗军事将领逃离安如

Ousted Comoran Military Leader Flees Anjouan Katy Salmon Nairobi 13 Aug 2001 17:28 UTC The ousted military leader of the 1)breakaway Comoran island of Anjouan has fled the island. Since his overthrow

发表于:2019-01-31 / 阅读(41) / 评论(0)

VOA2001-国际风云（4）

毕业生找工作时毁约真的值得么

Many college graduates these days settle for any job they can find while still searching for better career opportunities. Graduates often have an employment contract in hand, but will breach it once a more ideal job opportunity comes along. 如今，很

发表于:2019-02-01 / 阅读(27) / 评论(0)

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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(87) / 评论(0)

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学英语单词

air launch

an accident waiting to happen

chamfered depth of tooth root