单词：locomotive repair in works
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Unit 5 [00:03.21]Go with Transportation! [00:07.16]Trains Go on Rails! [00:11.00]Who invented the steam engine? [00:15.05]In the 1700s,many inventors were working on the steam engine. [00:22.31]In the 1760s, [00:26.15]a scientist in England invented
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导购口语: If you buy it, the manufacturer will arrange for a trained technician to install and test it for you free of charge. 如果您购买的话，厂家将安排熟练的技术人员为您免费安装，调试。 If something goes wrong with
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Freetown, Sierra Leone 02 November 2009 Each year, half a million pregnant women in the developing world die of complications during labor, and about six million children are stillborn or die within a week of birth. For the next three weeks, well be
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Football fever will continue in Brazil next month when robotic teams from around the world will gather there seeking to win their own championship. In preparation, U.S. technology students at the University of Pennsylvania are coaching a team of robo
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QINGDAO, Shandong, Dec. 26 (Xinhua) -- China's largest rail vehicle maker, CSR Corp. Ltd, over the weekend launched its first test train that features speeds reaching up to 500 km per hour. The six-car train with a fairshaped head is the newest in th
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Ⅱ .完型填空（共25小题，每小题1分；满分25分） 阅读下面短文 ,掌握其大意,然后从26-50各题所给的四个选项中,选出一个最佳答案。 People do not analyse ever
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