标签：基因 相关文章
世界首批试管狗宝宝成功诞生 Scientists at Cornell University have proudly presented the first litter of dogs successfully born through in vitro fertilization, or IVF. The breakthrough may help in combating inherited diseases that affect c
VOA双语新闻 2015年12月
Section 35 The Body Throughout the world, our bodies are different colors. Hair, eyes and skin may vary according to our genes. Other aspects of our body, thought, are roughly the same. Most of us can
英语导读1000句
Ketchup: An American Condiment with an Asian Connection At any given time, about 97 percent of American kitchens have a bottle of ketchup. American ketchup is made from red tomatoes, vinegar, salt, sugar and other ingredients. It has both a sweet and
2017年VOA慢速英语(八)月
By Nancy Steinbach Broadcast: October 1, 2003 This is Faith Lapidus with the VOA Special English Health Report. Scientists in Iceland say they have identified the first gene linked to common forms of
VOA2003（下）-环境与健康
Hi, I'm Carl Azuz. I'm 62, I have dark hair and brown eyes. No why, genes, this a little piece of code that determining the characteristicsof living things and all living things have them. But genes can be changed, they can be modified, that's how yo
CNN2013年(六)月
The survival strategies of some species can seem counter-intuitive to us until we examine them in detail. Let's take the example of bees, which die after stinging once, because the stinger tears out their insides. How can this self-destructive trait
英语时差8，16
I know that every cell in my body has a copy of my DNA packed into its nucleus. And I also know that if I could somehow unravel the DNA from a single cell, it would be about six feet long. So my question is, is DNA jammed into the nucleus in a sort o
英语时差8，16
In this Moment of Science Yael and Don discuss how women can see more color. Yael: Not only are eight percent of men colorblind, but even compared to men who can distinguish between reds and greens, many women may live a more colorful existence. That
初学者听力文摘精选
About six or seven million years ago chimpanzees and humans evolved from a common primate ancestor. Chimps went on to become the relatively small-brained, forest dwelling creatures we know and love. Humans went on to evolve large brains, spread throu
初学者听力文摘精选
模仿文本：How can understanding what it takes to climb Mount Everest help to save lives on intensive care wards? Hugh Montgomery is a professor of intensive care medicine at University College Hospital in London. His breakthrough discovery was f
英音模仿秀
Now, in addition of that we now know that it is scientifically true 此外 有一个铁的事实我们都已经知道了 I spent three billion dollars of your money to finish the sequencing of human genome 就是我花了你们三十亿美元 用来完
公众人物毕业演讲
Can Babies Be Designed? We hear a lot nowadays about designer babies. The idea that parents can choose the genes of their children sounds frightening. The question we have to answer is: how much can w
英语沙龙2004全年合辑上
Broadcast: Mar 13, 2003 Researchers are developing a blood test to look for colon cancer. The blood test is designed to detect 2) abnormalities in genes that control cell growth. These genes are passe
VOA2003（上）-科技先知
AGRICULTURE REPORT - Calls for a 'Gene Revolution' By Mario Ritter Broadcast: Tuesday, June 01, 2004 This is Steve Ember with the VOA Special English Agriculture Report. There are sixty-eight million
农业与发展
New medical research into a possible cure for Parkinson's disease is focusing on finding biomarkers in patients so that doctors can start treatment early before tremors and other symptoms start. Actor Michael J. Fox's recent commitment of $40 million
VOA标准英语2011年(一月)
I've heard that it's easing up the restrictions, and it's easier to get a visa. My young Chinese friends, I want to tell you that in case no one from America has ever invited you, let me do this right now personally. I want to warmly invite all of yo
偶像励志英语演讲
New medical research into a possible cure for Parkinson's disease is focusing on finding biomarkers in patients so that doctors can start treatment early before tremors and other symptoms start. Actor Michael J. Fox's recent commitment of $40 million
VOA双语新闻 2011年1月
In laps,bacteria may swim freely，but out in the world，including our bodies，bacteria often exist packed together in dense communities called biofilms. and these configurations can help them cause illness.finding clues about how such bacteria gro
Scientific American(八)月
A number of Chinese stars recently attended the 2017 annual VIVO NetEase Attitude Awards ceremony in Beijing. In this video, they reveal what they have been up to lately behind the scenes.
2017CRI中国国际广播电台
台湾籍旅美老师今天交给我们的句子是： But, statistically, most of us are hardwired to lean towards optimism. Known as the optimism Bias and found in around 80% of the population, we tend to overestimate the probability of positive ev
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