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英语听力文摘 English Digest 473、疫苗如何培育的？

Save the Eggs Vaccine makers crack the eggshell and inject the virus into the white stuff surrounding the yolk. Then they reseal the egg, the embryo becomes infected, and the virus is allowed to copy itself trillions of times over. And they use eggs

发表于:2019-01-26 / 阅读(55) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 468、流产和乳腺癌

Abortion and Breast Cancer When it comes to certain hot topics, claims about what science has or hasnt proven tend to be thrown around more in the service of one position or another than anything else. Somebody may tell you that global warming is abs

发表于:2019-01-26 / 阅读(71) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 481、日出日落,傻傻分不清楚

Sunrise or Sunset? Yal: Don? Don: Yes, Yal? Y: We've been in this art museum for 5 hours now. And you've spent the whole time staring at that one photograph of sunset. D: Are you sure? Y: Of course I'm sure. You haven't budged. D: But are you sure it

发表于:2019-01-26 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 492、塞德娜

Sedna 塞德娜 （本文写于2004年） Pluto is the last of the nine planets, and when its at its farthest point in its elliptical orbit, its the farthest planet from the sun. That's true, but incorrect. Well, what you said about Pluto is true, bu

发表于:2019-01-26 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 495、鱼儿如何相亲

Fish Blind Dates There are plenty of examples in nature of females being attracted to the biggest males. This is especially true for a species of fish called the Atlantic Mollie. The Mollie wants to be as big a fish as possible, because the females s

发表于:2019-01-26 / 阅读(57) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 500、鸟儿如何睡觉

How do birds sleep? How do birds hang onto trees when theyre asleep? Why dont they fall off? That's easy. It's because of the hallux toe. Hallux toe? Is that the toe on some birds that points backwards instead of forwards? That's the one. We already

发表于:2019-01-26 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 503、生命的足迹

类缘何而来？猩猩？还是猿？要追溯到更远的话，应该是单细胞生物吧！ 纳尼！还不对？ 那究竟是什么呢？ 今天的节目将为您讲述生命的起源 Life Traces in Lava Don: Can I ask you something, Ya?l? Ya?l

发表于:2019-01-26 / 阅读(58) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 506、跷跷板的乐趣

Remember seesaws? Those things were great. But there was often a problem. Suppose theres a big kid on one side and a smaller kid on the other side. The seesaw just stays in one position: big kid on the ground, smaller kid up in the air. No fun. After

发表于:2019-01-26 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 509、轻轻的，它缩水了！

Sublimation Sublimation on this moment of science. Pop quiz, everybody put away your books, and keep your eyes on your own radio. You fill the ice tray up to the rim and put it in the freezer. The ice that results will be a.) at the rim b.) over the

发表于:2019-01-26 / 阅读(56) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 28、甜蜜的复仇

Yael: You must be a having a good day. The smile on your face is a mile wide. Don: I'm finally going to get revenge on my neighbor. Y: For what? D: He has the loudest lawnmower you've ever heard. And as if that isn't enough, he mows his lawn every Sa

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 31、早班,锻炼上瘾

Yael: Hey Don, you're in pretty good shape, right? Don: I guess. Y: So you probably work out . . . D: Well, I swim and go to the gym pretty much every day . . . Why? Y: It's just that some people can become addicted to exercise to the point where it

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 56、买不起订婚戒指

Dear Annie: My girlfriend and I have been together for three years. When we first started dating, Mary unexpectedly became pregnant and we now have a beautiful child who is our life's joy. I would like to ask Mary to become my wife. Here's the proble

发表于:2019-01-26 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 49、鱼喝水吗

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2019-01-26 / 阅读(68) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 51、血型不是问题

Yael: I just read about an exciting technique. Researchers found a way to convert types A and B blood into type O blood--the type that can be transfused into any patient. This advance could help avoid blood shortages in the future. Don: Wow, that is

发表于:2019-01-26 / 阅读(61) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 55、和鲨鱼同游

In the immortal words of Michael Corleone in The Godfather, Part II, My father always taught me: keep your friends close, and your enemies closer. Perhaps no creature has taken this advice more literally then the remora, also known as the sucker fish

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 60、谈谈瑜珈

Mike: What're you doing up so early, Amanda? Have you decided to take up jogging in the park like me? Amanda: No, Mike. You know I really can't stand jogging. I've joined a yoga class at our local fitness center. I hear it's a great way to stay fit.

发表于:2019-01-26 / 阅读(53) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 70、细菌可除臭?

Sewage stinks. But bacteria can make it smell better. Oh, yeah? That's true. Certain forms of bacteria feasting on sewage give off hydrogen sulfide, a really malodorous chemical, and one of several that give sewage its pleasing smell. In general this

发表于:2019-01-26 / 阅读(72) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 72、去太空旅行吧!

Its 60 feet long, made of lightweight, fuel-efficient material and can carry eight people out of this world and back. The first commercial spaceship was unveiled by Sir Richard Branson, who hopes to start passenger trips within two years. The price t

发表于:2019-01-26 / 阅读(51) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 15、How To Start Your Own Business(3)

The economic fallout from the Enron bankruptcy scandal is one example of why it's important for you to find a good accountant. Experts say start-ups and established businesses can avoid legal problems that can doom their companies by finding trusted

发表于:2019-01-26 / 阅读(100) / 评论(0) 分类 英语听力文摘 English Digest

2007年VOA标准英语-Nigeria's President-Elect Visits Neighbors

By Nico Colombant Dakar 07 May 2007 Nigeria's president-elect, Umaru Mussa Yar'Adua, has started formal visit to several African countries, but critics say he should focus his attention first on problems at home following his disputed election. VOA's

发表于:2019-01-31 / 阅读(103) / 评论(0) 分类 2007年VOA标准英语（五月）
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