标签：Digest 相关文章

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(55) / 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(59) / 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(56) / 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(49) / 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(55) / 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(58) / 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(67) / 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(60) / 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(51) / 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(51) / 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(67) / 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(98) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 369、“勒不死”的苍蝇

Can You Choke a Fly? 你绝对勒不死苍蝇 Don:These dark flies are driving me badly! I wish I could strangle each of every one of them! Yal:Im sorry to say, but thats impossible. D: I realize that. I dont mean that I have to strangle all of them.

发表于:2019-02-16 / 阅读(52) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 363、鸟是如何呼吸的？

How Birds Breathe 鸟是如何呼吸的 Y: Don, flying is tougher than walking or running, right? So how come birds dont get winded and run out of breath? D: Actually, in terms of distance per unit energy, flying is pretty efficient . Plus birds have

发表于:2019-02-16 / 阅读(75) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 365、“不平等”的肌肉

肌肉生而不等 Don:Its not fair! Yal: Whats not fair? D: I was rereading the Constitution of the United States. It says here that All people are created equal.Thats just not true! Y:What do you mean? D: Well, its always being my dream to become t

发表于:2019-02-16 / 阅读(67) / 评论(0) 分类 英语听力文摘 English Digest

英语听力文摘 English Digest 366、神奇的“鼻子”

Sperm Sniff Out Their Targets 精子靠嗅觉发现卵子 Scientists who study human sperm have long wondered whether human sperm could somehow sense the presence of an egg . Then, just about a decade ago, it was discovered that sperm have protein s

发表于:2019-02-16 / 阅读(70) / 评论(0) 分类 英语听力文摘 English Digest
最新学习文章
热门学习文章