2015年ESL之旅行交通购物 08 Visiting an Archaeological Site

Visiting an Archaeological Site Lillian: Look at this! I?m going to take this home as a souvenir. Bruce: You can?t do that. That might be an artifact of some kind. It belongs to this archaeological site. Lillian: It?s just a rock. No one will miss it

高级听力练习11

Archaeology Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as any other historian, an archaeologist s

11 Archaeology

Archaeology is a source of history, not just a bumble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts, Just as much as any other historian, an archaeologist studies and tr

Horizon - Life On Mars 火星生命 - 4

These discoveries raised the stakes. Here was a planet similar to our own. Mars might not have cities or civilizations. But it could be home to other smaller life forms like microbes. Chris McKay is N

Horizon - Life On Mars 火星生命 - 2

I think it is exciting. Because it would imply that if life arose independently on Mars. The implication is that life is pervasive throughout the universe. This is why Mars has so obsessed scientists.

Horizon - Life On Mars 火星生命 - 7

Rice had seen the same thing in Iceland, one of the few places on Earth with similarities to Mars. It too is extremely cold, and most of the water is frozen into glaciers. And also like Mars, buried u

Horizon - Life On Mars 火星生命 - 6

For Mars to have rivers, it must once have had streams, rain, clouds and an atmosphere, a planet just like the Earth today-if these were rivers. They had to be sure. The answers would come in 1998 wit

Horizon - Life On Mars 火星生命 - 5

William Boynton is professor of planetary sciences at the University of Arizona. And he's dedicated his life to looking for water on Mars. The link between life and water is very strong. Even here in

人教高中英语高二下UNIT20-3

ROOTS OF CHINESE CULTURE Jinsha Village near Chengdu, in southwest Sichuan province, became famous all over China in 2001. Construction workers from a local company were building roads there. On February 8, they found ivory and jade in the mud. Soon

Horizon - Life On Mars 火星生命 - 15

Of course, any terraforming is still a long way off. The next few expeditions to Mars will definitely be made by machines. NASA, are sending 2 rovers, capable of travelling over 100 meters a day in se

Horizon - Life On Mars 火星生命 - 14

Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t

Horizon - Life On Mars 火星生命 - 13

Life on Earth is basically proteins and DNA, so we can wonder if there is life on Mars will also be DNA and proteins, the same type of DNA, the same type of proteins. One might think that DNA is such

Horizon - Life On Mars 火星生命 - 12

But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

Horizon - Life On Mars 火星生命 - 10

But they never got there. The first disappeared into deep space. Another missed its target when its coordinates were confused. One NASA control center was working in metric, the other in feet and inch

Horizon - Life On Mars 火星生命 - 9

The ground here is permafrost, a mixture of soil and ice frozen together. A group of Russian scientists have teamed up with NASA to drill down into it in search of microorganisms. It's work that's bee

Horizon - Life On Mars 火星生命 - 11

One of these wavelengths corresponds to hydrogen, another wavelength would be iron. Another wavelength would be oxygen. And so you go to the part of the spectrum you are interested in and you see you'

托福听力单句训练附答案:第21期

听力题目： 1.(A). She went to an archaeological excavation. (B). She dug up plenty of rocks in the yard. (C). She found a great deal of information for the report. (D). She likes geology a lot. 2. (A). The weather was just right. (B). We couldnt

托福听力单句训练附答案:第31期

听力题目： 1.(A). She went to an archaeological excavation. (B). She dug up plenty of rocks in the yard. (C). She found a great deal of information for the report. (D). She likes geology a lot. 2. (A). The weather was just right. (B). We couldnt

表达兴趣爱好的12种说法

表达兴趣爱好的12大经典句型 1.Ive always liked listening to inspiring speeches. 我一直喜欢听鼓舞人心的演讲. 2.I really go for authentic English tapes. 我很喜欢纯正地道的英语录音带 3.Im really fond of imitating st

经济学人381:土耳其的文化雄心(2)

Curators in other countries are alarmed at what they see as growing aggression. A leading museum director even described the campaign as blackmail. So what chance has Turkey of winning this new culture war? 其他国家的馆长将这些日益增长的