EXPLORATIONS - Mars Exploration, Part 2 By Paul Thompson Broadcast: Wednesday, February 04, 2004 (THEME) VOICE ONE: This is Shirley Griffith. VOICE TWO: An artists picture of a Mars Rover vehicle. And

发表于:2018-12-01 / 阅读(136) / 评论(0) 分类 Explorations

In presidential politics, Rick Santorum is spending this last day before the Iowa caucuses trying to keep his momentum going. The latest polls show Mitt Romney is still favored among the GOP candidates, but only narrowly--a margin Santorum is hoping

发表于:2018-12-02 / 阅读(102) / 评论(0) 分类 2012年NPR美国国家公共电台1月

NASA's Juno Spacecraft Shows the Makeup of Jupiter Scientists are finding that the inside of Jupiter is just as interesting as the part of the planets atmosphere that we can see. At the center of the planet is a liquid mixture of the elements hydroge

发表于:2018-12-08 / 阅读(48) / 评论(0) 分类 2018年VOA慢速英语(四)月

UNIT 9 Text A Pre-reading Activities First Listening 1. As you listen to the passage the first time, circle the words from the list that you hear. ice hate perish snow fear suffice frost despair hold

发表于:2018-12-11 / 阅读(67) / 评论(0) 分类 21世纪大学英语读写教程

1. Front-runner Mitt Romney defended his business record. During the Republican debate in South Carolina, Romney under pressure from his Republican opponents also said he might release his tax records this spring. 2. Divers have used explosives to bl

发表于:2018-12-15 / 阅读(112) / 评论(0) 分类 美联社新闻一分钟2012(一月)

Scientists try to document as many past El Nino events as possible by piecing together bits of historical evidence, such as sea-surface temperature records, daily observations of atmospheric pressure and rainfall, fisheries records from South America

发表于:2018-12-19 / 阅读(44) / 评论(0) 分类 托福英语

When it comes to the stock market, are you smarter than a first grader? Youd better wait a few minutes before you answer. Im Carl Azuz. This is CNN Student News. Authorities around the Gulf of Mexico are in a race against time. They are trying to con

发表于:2018-12-20 / 阅读(73) / 评论(0) 分类 CNN2010年(五)月

Hi, I'm Carl Azuz. It is Thursday, October 14th. We are very pleased to welcome you to a special edition of CNN Student News. That video clip we showed you at the start of today's show gives you an idea of why today is a special edition. When we tape

发表于:2018-12-20 / 阅读(71) / 评论(0) 分类 CNN2010年(十)月

Pockets of sub surface gas will build up and eventually burst through Pluto's frozen surface as geysers, Will G demonstrates how even a small increase in temperature produces a large geyser. Okay,we're going to put liquid nitrogen into this plastic b

发表于:2018-12-27 / 阅读(66) / 评论(0) 分类 探索与发现2015年

(Woman) Today I want to talk about the Earth's last major climatic shift, at the end of the last ice age. But first, let's back up a moment and review what we know about climatic change in general. First, we defined climate as consistent patterns of

发表于:2018-12-30 / 阅读(123) / 评论(0) 分类 托福听力短文

One of the more popular cargo items is with artists. 艺术家也常托我们运东西 This is from a gentleman in Minnesota who has an art gallery. 这是一位明尼苏达艺廊老板托我们运的 This is Alchemist and this is Intelligence of Bea

发表于:2019-01-02 / 阅读(152) / 评论(0) 分类 神秘的月球

And so I get this question all the time from parents, and they ask me, Would you let your own child play football? 家长们总是问我这样一个问题,他们问我,你会让你自己的小孩儿打橄榄球吗? Or, Should I let my child pla

发表于:2019-01-03 / 阅读(90) / 评论(0) 分类 TED演讲科技篇

This is unquestionably the most devastating attack on our community, incursed in city's history. In fact, we have not suffered from a homicide here in this community, you know, for three years. Yesterday our town was shocked to the core. Sin Sian was

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 CNN2011年(九)月

Now, as we pull down here, we still have a whole set of creatures living on the surface of the planet. 现在当我摧毁这里的时候,在这个星球上其实还居住着一系列的生物, There are all these different dynamics going on here.

发表于:2019-02-21 / 阅读(58) / 评论(0) 分类 TED演讲教育篇

In the days of diving suitsthe sort that were connected to the surface by long hoses, 在使用潜水衣即用长管子连接水面的那种装备的年代, divers sometimes experienced a dreaded phenomenon known as the squeeze. 潜水员有时候会

发表于:2019-02-25 / 阅读(62) / 评论(0) 分类 万物简史

So all that can be said is that at some slightly indeterminate point as we head toward the center of Earth we leave the asthenosphere and plunge into pure mantle. 因此,我们只能说,在前往地球中心的过程中,我们会在某个不大确

发表于:2019-02-25 / 阅读(72) / 评论(0) 分类 万物简史

The hour hand on a clock moves about ten thousand times faster than the flowing rocks of the mantle. 钟面上时针的移动速度,比地幔岩石的流动速度,要快大约1万倍。 The movements occur not just laterally as the Earth's plates

发表于:2019-02-25 / 阅读(230) / 评论(0) 分类 万物简史

Matches Striking matches, on this Moment of Science. Have you ever had a problem getting a match to light? If so, you might be using the wrong type of match. There are actually two different types of matches: safety matches and strike-anywhere matche

发表于:2019-02-26 / 阅读(84) / 评论(0) 分类 英语听力文摘 English Digest

16.The early railroads were........the existing arteries of transportation: roads,turnpikes, canals,and other waterways. A.those short lines connected B.short lines that connected C.connected by short lines D.short connecting lines 答对率:50% 答案

发表于:2019-03-12 / 阅读(138) / 评论(0) 分类 托福英语

Patience, I will be finding myself You thought, you thought I figured it out I'm lost, more lost than I've ever been (Than I've ever been) I never knew how gold would ever turn to this Everything you could imagine Is everything I have now You only wa

发表于:2019-03-13 / 阅读(156) / 评论(0) 分类 英文摇滚歌曲