单词：re-inforcement
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The growth of the Internet has led to new technologies. Many are being used today to create valuable learning environments in education. Transcript of radio broadcast: 24 June 2008 VOICE ONE: I'm Faith Lapidus. VOICE TWO: And I'm Steve Ember with EX
VOA慢速英语2008年（六）月
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
英语语法 Grammar Girl
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
2006年VOA标准英语（一月）
One of China's leading communications companies has unveiled plans to expand its broadband and Wi-fi coverage in Tibet. CRI's Zhang Shuangfeng has more. Tibet Branch of China Mobile has launched 4G wireless communication network this June. And along
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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
VOA标准英语2010年(一月)
BEIJING, May 9 (Xinhua) -- The State Council, China's cabinet, said on Wednesday that the country will step up efforts to promote informatization development and strengthen information security. Speeding up the construction of informatization and bui
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