[化] 水灰比

Storing Drinking Water

Broadcast: August 4, 2003 This is Bill White with the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout the world, drinking water has to be stor

发表于:2018-11-27 / 阅读(538) / 评论(0)

VOA2003（下）-发展与科学

Small-Scale Bridge Building

By Gary Garriott Broadcast: September 8, 2003 This is Robert Covent with the VOA Special English Development Report. Bridges are an important part of transportation systems. They make it possible to t

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VOA2003（下）-发展与科学

英语听力：化学秘密 10 Greenworld

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:2018-12-06 / 阅读(57) / 评论(0)

化学秘密.Chemical.Secret

新世纪少儿英语第三册LESSON 16-30

V@enook.cn Lesson 16 It looks like cement. Professor Boffin wants to bake a cake. I can't find the flour. He looks in the storeroom. Ah!Here's some flour! Look!My cake's ready. It books like cement. If feels like cement. It tastes like cement. Look a

发表于:2018-12-13 / 阅读(124) / 评论(0)

新世纪少儿英语

朗文3L看听学英语第四册 Lesson 47

Lesson 47 Television Day: The sea TV Commentary: If you looked at the Pacific from a space-capsule you might think that the world was all water. You would hardly be able to see any land at all. Water covers most of the earth's surface. The sea contai

发表于:2018-12-20 / 阅读(88) / 评论(0)

朗文3L看听学英语第四册

英语语法：168 Concrete Versus Cement

Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h

发表于:2019-01-02 / 阅读(161) / 评论(0)

英语语法 Grammar Girl

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(189) / 评论(0)

数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(214) / 评论(0)

数学英语

2006年VOA标准英语-Iraqis Deal with Cement Shortage, High Pri

By Ben Gilbert Baghdad 11 January 2006 An Iraqi mason works on a wall surrounding a new school on the outskirts of Basra (file picture) Iraq has been hit with a construction boom - in no small part du

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2006年VOA标准英语（一月）

DEVELOPMENT REPORT - Storing Drinking Water

DEVELOPMENT REPORT – January 7, 2002: Storing Drinking Water By Gary Garriott This is the VOA Special English Development Report. Safe drinking water has always been rare and valuable. Throughout th

发表于:2019-01-07 / 阅读(222) / 评论(0)

农业与发展

SSS 2011-10-10

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? Earth's surface is dominated by oceans. But where did all that water come from? Asteroids and comets smashing into the early Earth have long been thought to be a promisin

发表于:2019-01-08 / 阅读(89) / 评论(0)

Scientific American(十)月

租房好还是买房好

After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

发表于:2019-01-08 / 阅读(91) / 评论(0)

英语小短文

与美国小学生一起学英文第7册第24期:堤

Levee 堤 A levee is a system to control water levels. 堤是一种控制水位的系统。 When it rains a lot, floods can happen. 降雨很多时，就可能会发生洪水。 People build walls along rivers or coasts to prevent floods. 人们在河边

发表于:2019-01-10 / 阅读(49) / 评论(0)

与美国小学生一起学英文第7册

VOA标准英语2010年-Our World – 2 January 2010

VOA's Weekly Science and Technology Magazine Art Chimes 05 January 2010 MUSIC: Our World theme This week on a special edition of Our World, some of our favorite stories of the past year ... including a high-tech wrinkle to that humblest of building m

发表于:2019-01-23 / 阅读(68) / 评论(0)

VOA标准英语2010年(一月)

AGRICULTURE REPORT - Simple Ways to Protect Water Quality

AGRICULTURE REPORT - Simple Ways to Protect Water Quality By Mario Ritter Broadcast: Tuesday, July 26, 2005 I'm Barbara Klein with the VOA Special English Agriculture Report. Afghans wash carrots in d

发表于:2019-01-30 / 阅读(86) / 评论(0)

农业与发展

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(115) / 评论(0)

英语新闻

VOA标准英语2010年-California Company's 'Green' Cement Ca

Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele

发表于:2019-02-08 / 阅读(172) / 评论(0)

VOA标准英语2010年(一月)

英闻天下——331 China's Unbalanced Sex Ratio and its Ripple Effect

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(107) / 评论(0)

英闻天下

China to cement partnership with Ukraine

BEIJING, July 17 (Xinhua) -- A senior leader of the Communist Party of China (CPC) on Tuesday said China is willing to cement a strategic partnership with Ukraine. He Guoqiang, a member of the Standing Committee of the Political Bureau of the CPC Cen

发表于:2019-02-18 / 阅读(101) / 评论(0)

英语新闻

托福阅读备考之长难句分析

世界本没有长难句，修饰成分多了，便有了长难句。阅读速度大部分来于短时间内理解长难句的能力。大家在看长难句的时候，多思考，一个句子为什么这么长，常见的修饰成分到底有哪些？

发表于:2019-02-18 / 阅读(94) / 评论(0)

托福英语

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