The theory of plate tectonics describes the motions of the lithosphere, the comparatively rigid outer layer of the Earth that includes all the crust and part of the underlying mantle. The lithosphere(n.[地]岩石圈)is divided into a few dozen plates o

发表于:2018-12-08 / 阅读(421) / 评论(0) 分类 新概念优美背诵短文50篇

Sailors were on the top deck,they were yelling and pointing, thegiant octopods loosened his hold on Jack and Anne,The ship! Jack giggled before slipping under the water. His headpopped back up,Swim to the ship! He shouted to Anne.. Jack and Anne star

发表于:2018-12-10 / 阅读(55) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Henry led Jack and Anne out of the sea lab, locking the door behindthem, then he led the way through the hall and down to other flat ofthe deep steps, in the faint light of the lower deck, Jack saw navyofficers and scientists sdreaming through the do

发表于:2018-12-10 / 阅读(58) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack threw their book onto his pack, and quickly ran to join Anne. Hi! He said to the three men. Dont be afraid. Said Anne. we come in peace. The three men kept talking, who, who are you? One of the sailorspattered. Jack and Anne walked closer. I am

发表于:2018-12-10 / 阅读(51) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack looked up, the captain the professor and the crew memberwere all gazing out of the side silently down the water. Henry gavecaptain a salute. The captain saluted back. then everyone on boardclapped andshouted. Overhead the clouds disappeared, as

发表于:2018-12-10 / 阅读(63) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Jack put his wand back to his pack, then he and Anne chargedback to lab with Henry behind them. The three of them came backupstairs, when they stepped out to the top deck, they heard thesailors still shouting and yelling. Jack and Anne raised across

发表于:2018-12-10 / 阅读(43) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

G entle waves rippled through the cove as Jack andAnnie swam to the foot of the cliff. They pulledthemselves onto the boulders. Soaking wet, they satfor a moment in the warm sunlight and caught theirbreath. That was so cool! said Annie. Yeah. But why

发表于:2018-12-10 / 阅读(53) / 评论(0) 分类 汪培珽儿童英文分级书单《神奇树屋》

Kerry at ASEAN Forum for Talks on S. China Sea Disputes U.S.-Philippine naval cooperation includes unmanned surveillance of waters under dispute with China. The unmanned aerial vehicle will be a very very important tool in our operations in safeguard

发表于:2018-12-16 / 阅读(47) / 评论(0) 分类 VOA标准英语2013年(七月)

Polar Bears Must Work Harder On Faster Sea Ice Treadmill奔跑吧!北极熊 Polar bears live on floating rafts of sea ice, hunting for seals. But in the Arctic Ocean north of Alaska, the cold polar wind constantly blows that ice from east to west. Wh

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 2017年Scientific American(四)月

Sorry,there is not text temporarily, Please help tingroom to look for it! 如果您能找到更好的听力原文,请发贴到 听力原文收集区 ,您将会获得 10 到 30 积分的奖励 ! Thank you !

发表于:2018-12-30 / 阅读(66) / 评论(0) 分类 鲁宾孙漂游记

By Tom Rivers London 04 August 2007 Foot-and-mouth disease has appeared again in Britain, six years after it sparked the widespread slaughter of about seven million cows throughout the country in an effort to contain the outbreak. For VOA, Tom Rivers

发表于:2019-01-07 / 阅读(119) / 评论(0) 分类 2007年VOA标准英语(八月)

When the floodwalls and levees gave way in New Orleans, the people of the Netherlands watched with special interest. 50% of the Netherlands lies below sea level, since medieval times, the Dutch have used dikes and levees to keep the country dry. Five

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 2005年NPR美国国家公共电台

Rene Montagne: And here on the West Coast, the sea lion population has quadrupled since hunting stopped some 30 years ago. But fishermen are lobbying for a return of those days. Tom Banse explains. Tom Banse: A clump of California sea lions is soaki

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 2006年NPR美国国家公共电台

By Lisa Schlein Geneva 07 July 2007 The International Committee of the Red Cross (ICRC) says it is stepping up its humanitarian operations in Sudan's conflict-ridden province of Darfur. The ICRC says it must get aid to tens of thousands of people in

发表于:2019-01-10 / 阅读(159) / 评论(0) 分类 2007年VOA标准英语(七月)

By Kurt Achin Panmunjom 14 December 2007 North and South Korean generals have failed to agree on the specifics of a proposal for cooperation between the two rivals. The latest round of high-level military talks has ended with no progress on creating

发表于:2019-01-11 / 阅读(88) / 评论(0) 分类 VOA常速英语2007年(十二月)

The explosion of piracy off the coast of Somalia in recent years has exposed a weakness in the United Nations maritime law that makes high seas piracy illegal throughout the world. An undated image made available in London, 08 Apr 2009 by Maersk Lin

发表于:2019-01-13 / 阅读(56) / 评论(0) 分类 VOA标准英语2009年(四月)

Sea Life Color Codes Food to Evade Danger The ocean glows with undersea life which makes its own light. These animals living on the ocean floor, beyond the reach of sunlight, have evolved this bioluminescence for camouflage, to find mates or to repel

发表于:2019-01-13 / 阅读(75) / 评论(0) 分类 VOA标准英语2012年(九月)

In India's financial hub Mumbai, a bridge has been built over the sea to ease chronic traffic congestion in one of the worlds' most crowded cities. Updating inadequate infrastructure in Indian cities has become critical as its economy expands. Mumba

发表于:2019-01-14 / 阅读(187) / 评论(0) 分类 VOA标准英语2009年(七月)

By Carol Pearson Washington, DC 19 July 2006 watch Migraine report Millions of people suffer from migraines -- headaches so severe they can be disabling. Migraines often are accompanied by nausea, vomiting, and extreme sensitivity to light and sound

发表于:2019-01-31 / 阅读(106) / 评论(0) 分类 2006年VOA标准英语(七月)

By Robert Berger Jerusalem 06 September 2006 Israel says it will lift its blockade of Lebanon's air and seaports on Thursday. It is a boost to the fragile ceasefire between Israel and the Islamic militant group Hezbollah. A Lebanese soldier paints c

发表于:2019-02-06 / 阅读(143) / 评论(0) 分类 2006年VOA标准英语(九月)