= stony-iron meteorite

Speaking of Olympic trivia, the Sochi Olympics are already breaking many records. Probably the most surprising is the cost of the games. According to some estimates, this will be the most expensive Olympic Games ever, summer or winter. In fact, at 51

发表于:2018-12-03 / 阅读(120) / 评论(0) 分类 轻松英文阅读

Japanese Spacecraft Arrives at Asteroid to Study Surface A Japanese spacecraft arrived at an asteroid Wednesday after traveling for more than three years. The Hayabusa2 spacecraft is to perform a new experiment. It will create a crater on the asteroi

发表于:2018-12-08 / 阅读(54) / 评论(0) 分类 2018年VOA慢速英语(六)月

Seeing is believing. But seeing a huge rock half the size of Earth smash into Jupiter in July 1996 was incredible. Can you imagine what would happen if Earth collided with a huge space rock? It would

发表于:2018-12-08 / 阅读(505) / 评论(0) 分类 赖世雄中级美国英语

模仿文本:Yes, that was the moment last month that 15 tonnes of meteorite exploded over eastern Russia. The people of Chelyabinsk were understandably in shock as windows across the city smashed causing hundreds of injuries. It also sparked somet

发表于:2018-12-28 / 阅读(56) / 评论(0) 分类 英音模仿秀

Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 60秒科学

When astronaut Alan Shepard took his first swing at a golf ball on the moon, he hit more dirt than ball. The dust he kicked up reinforced the idea that the moon is one big sand trap. But looks can be deceiving. Now, scientists reanalyzing lunar sampl

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 Scientific American(六)月

中国登月引发月球开发争论 LONDON Last month, China successfully landed an unmanned probe on the Moon. The mission renewed a debate about the potential exploitation of the Moons resources and who exactly owns the Earths only natural satelli

发表于:2019-01-09 / 阅读(76) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Was Jesus Married? This is SCIENCE IN THE NEWS, in VOA Special English. Im Mario Ritter. And Im Faith Lapidus. Today, we tell about a debate over words written on an ancient piece of papyrus. The wording suggests that some early

发表于:2019-01-12 / 阅读(71) / 评论(0) 分类 2012年VOA慢速英语(十)月

How Does One Find a Meteorite? 如何找到陨石? Editor's Note: The annual Perseid meteor shower will peak in the skies over Earth on the night of Aug. 12-13. Despite a bright moon supermoon, there should still be a good show from this prolific sho

发表于:2019-01-12 / 阅读(58) / 评论(0) 分类 2014年VOA慢速英语(八)月

Two Events Blamed for Dinosaur Deaths Dinosaurs ruled the Earth for about 160 million years. Then they disappeared. Scientists have argued for years about what killed off the dinosaurs. Was it the huge volcanic eruption 66 million years ago in what i

发表于:2019-01-12 / 阅读(66) / 评论(0) 分类 2016年VOA慢速英语(七)月

托福阅读文章常见题材思路及词汇 TOEFL阅读有一些常见高频题材,这些题材下面会有经常考到的固定词汇和思路,整理出来供大家分享。 生物类: 迁徙动物migrate 群居动物 social animal 独居动物

发表于:2019-01-17 / 阅读(55) / 评论(0) 分类 实用英语

What would you do in your last 60 minutes?An asteroid is on a collision course with the earth and you have one hour left to live. What would you do in your last 60 minutes? Not surprisingly, the majority of Britons questioned in a survey -- 54 percen

发表于:2019-02-01 / 阅读(63) / 评论(0) 分类 阅读空间

Lesson 38 Our Helper, The Horse 第38课 人类的帮手马 The horse is an animal which seems to have been made for helping us in our daily work. we ride on its back, and we get it to pull heavy loads in carts. 马这种动物, 似乎生来就是为人

发表于:2019-02-07 / 阅读(107) / 评论(0) 分类 英国学生科学读本

A huge meteorite crashed into the Atlantic Ocean. Babies who were sound asleep in Asia heard the impact. The meteorite went through the ocean bottom. It created a hole deep in the Earth. All the seawater from the Atlantic started rushing into the hol

发表于:2019-02-15 / 阅读(56) / 评论(0) 分类 英文短篇故事(纽约)

The Murchison meteorite was found to be 4.5 billion years old, 人们发现,默奇森陨石的年代已达45亿年, and it was studded with amino acidsseventy-four types in all, eight of which are involved in the formation of earthly proteins. 上面

发表于:2019-02-17 / 阅读(56) / 评论(0) 分类 万物简史

Life emerged so swiftly, in fact, that some authorities think it must have had helpperhaps a good deal of help. 实际上,生命出现得太快,有的权威人士认为肯定有什么东西帮了忙也许是帮了大忙。 The idea that earthly l

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 万物简史

MOSCOW, Feb. 17 (Xinhua) -- Most buildings damaged by Friday's meteorite fall in Russia's central Urals Region have been restored, and educational institutions will operate as usual on Monday. Xinhua reporters saw in the hardest-struck Chelyabinsk Re

发表于:2019-02-17 / 阅读(75) / 评论(0) 分类 英语新闻

同位语从句和定语从句很相似,但还是有区别的,区别主要在以下三方面: 1. 从词类上区别 同位语从句前面的名词只能是idea,fact,news,hope,belife,suggestion,proposal ,word,thought,doubt,truth,

发表于:2019-02-17 / 阅读(49) / 评论(0) 分类 考研英语

What's the scariest thing you've ever done? Or another way to say it is, what's the most dangerous thing that you've ever done? And why did you do it? I know what the most dangerous thing is that I've ever done because NASA does the math. You look ba

发表于:2019-02-23 / 阅读(103) / 评论(0) 分类 英语语言学习

As anyone who has used such a pump knows, compressed air grows swiftly hot, 使用过打气筒的人都知道,受到压缩的空气马上会变热, and the temperature below it would rise to some 60,000 Kelvin, or ten times the surface temperatur

发表于:2019-02-25 / 阅读(61) / 评论(0) 分类 万物简史
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