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发表于:2018-11-28 / 阅读(239) / 评论(0)

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发表于:2018-12-03 / 阅读(177) / 评论(0)

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发表于:2018-12-07 / 阅读(218) / 评论(0)

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发表于:2018-12-26 / 阅读(115) / 评论(0)

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[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was

发表于:2018-12-26 / 阅读(155) / 评论(0)

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发表于:2018-12-28 / 阅读(191) / 评论(0)

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发表于:2018-12-29 / 阅读(160) / 评论(0)

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发表于:2018-12-31 / 阅读(141) / 评论(0)

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今天我们要学的词是rule of thumb。 Rule of thumb, 经过反复实践，得出的一般规律。一项最新研究指出，少吃能长寿。 The rule of thumb is that by eating 15 % less starting at age 25 you could add 4.5 years to your lif

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发表于:2019-01-17 / 阅读(163) / 评论(0)

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SAN FRANCISCO, Nov. 21 (Xinhua) -- E-commerce and online payment giant eBay announced on Monday that it has acquired New York-based technology startup Hunch, an online platform that delivers customized recommendations to users based on their individu

发表于:2019-01-22 / 阅读(252) / 评论(0)

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发表于:2019-01-23 / 阅读(146) / 评论(0)

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发表于:2019-01-27 / 阅读(407) / 评论(0)

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unit 430 车辆故障 dialogue 英语情景对话 A:There seems something wrong with the engine. Could you check it, please? A:引擎好像有些问题。能不能麻烦你检查一下？ B:Sure. What's the problem? B:好的。什么问题？

发表于:2019-02-15 / 阅读(238) / 评论(0)

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My computer is broken This morning my father is go back home.He play computer after 3:00. At 6:50,I get up.I open computer.I found my computer is broken.Don't open .My father is coming,but he not very can play computer.We don't know how to do.My fath

发表于:2019-02-17 / 阅读(150) / 评论(0)

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Business 商业报道 Civilian jet engines 民用航空发动机 Gearing up for a fight 奋力一战 Pratt amp; Whitney hopes a high-tech engine will restore its former dominance. 普拉特惠特尼公司期待其新款的高科技航空发动机能重

发表于:2019-03-09 / 阅读(339) / 评论(0)

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