历年考研英语阅读理解mp3(99-4)

[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move

太阳科普 第7期

As they grow bigger and bigger, 随着体积越来越大 they start to spin and throw out a disk of debris 它们开始旋转，甩出的碎屑形成盘状 that will coalesce to form a solar system. 在日后融合形成太阳系 This kind of process

TED演讲:原子究竟有多小?(3)

OK, one more thing, if I can even get more bizarre. 另外还有一件事是更难以想象的 Since virtually all the mass of an atom is in the nucleus 既然事实是原子的全部质量集中在原子核， now, there is some amount of mass in th

SSS 2008-09-25

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

人为什么分成男人和女人?

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On this Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm an

【听英文对话做选择】一个免费的电话

1. What reason does the girl give for needing a cellphone? A. She can use it to check her email. B. She can call family in case of an emergency. C. She can make cheaper long-distance calls with it. 2.What is one major feature of the calling plan? A.

赖世雄英语新闻听力通 第62期:对抗超级细菌

(BBC News)Scientists in Japan have reported a big advance in the fight against superbugs. （英国国家广播公司报道）日本科学家发表了一项对抗超级细菌的重大进展。 Thousands of people fall ill every year from bacteria the

新视野大学英语视听说 Unit 5-16

Task 2: GM Foods The term GM foods refers to those produced with the latest genetic engineering techniques. In 2000, countries that grew 99% of the global GM crops were the United States, Argentina, Canada, and China. The next decade will see rapid d

国家地理:China's Lost Girls 被抛弃的女孩 -3

My real biological mother left me in a basket with me and my sister saying that we were twins and she waited to make sure that we were safe and then my mom right now Betsy, she came to get me in China to adopt me and she took me back to America as, a

简单慢速英语阅读：Ring! Ring!

Neal's front yard was full of leaves. He went outside and raked the leaves. His cell phone rang. He answered it. Then he continued raking. He raked the leaves into three plastic bags. The recycling truck came by an hour later. The driver threw the ba

SSS 2008-08-07

This is Scientific American's 60-Second Science. I'm Steve Mirsky, got a minute? Neandertals were our closest relatives. And now we know a lot more about them. Because researchers have for the first time sequenced a complete Neandertal genomethat of

每日商务英语 第132期:急剧增长

a dramatic increase 急剧增长 英文释义 An increase that is so large it may attract attention. 例句 Genetic improvements in agriculture have resulted ina dramatic increase in many crops, often doubling or tripling annual production.农业基因

VOA常速英语2008年-Advances in Genetic Medicine Still Not Availabl

By Melinda Smith Washington 19 March 2008 A scientific review published in the Journal of American Medicine shows that the field of genetics has made a lot of progress in recent years. According to JAMA , genetic testing is able to identify more than

英语听力文摘 English Digest 26、为什么会有男人和女人？

Why are there males and females? Why are there two sexes instead of three, or twelve, or one? On todayss Moment of Science we'll learn why two is the magic number. Let's start with why there is sex at all. When two organisms reproduce sexually, sperm

托福考试：TOEFL模拟试题

Questions 12-20 The elements other than hydrogen and helium exist In such small quantities that it is accurate to say that the universe somewhat more than 25 percent helium by weight and somewhat less than 25 percent hydrogen. Astronomers have measur

CCTV9英语新闻：专家不排除禽流感有限的人际传播

Speaking on the possibility of human-to-human transmission, Dr. Zhong Nanshan, director of the Guangzhou Institute of Respiratory Diseases, said there's still no evidence at the moment. He added, however, that the medical community should keep a clos

英语笑话听力+文本：Airplane Talk 飞机上的谈话

En route to Hawaii, I noticed one of my passengers in the coach section of the airplane dialing her cell phone. Excuse me. That can't be on during the flight, I reminded her. Besides, we're over the ocean-you won't get a signal out here. That's okay,

留美老师带你每日说英文 第389期:左撇子是遗传的么?

台湾籍旅美老师今天交给我们的句子是： And despite what many may think, handedness is not a choice. It can be predicted even before birth based on the fetus' position in the womb. So, if handedness is inborn, does that mean it's genet

【英语时差8,16】芦笋-上

Hey Don, do you like asparagus? Yep, I love it Yael, can't get enough. But don't you notice there's a certain problem after you've eaten it? Problem? Yeah, everybody knows that eating asparagus can cause a rather unpleasant smell in your urine. I did

学个词 Learn a Word-VOA英语教学 2794 genetic

今天我们要学的词是 genetic. Genetic 形容词，遗传的，基因的。For the first time, the FDA will allow a company to sell genetic tests for disease risks directly to consumers. 美国食物药物管理局首次允许一家公司直接向