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发布时间:2013-06-22 09:31:09

Out of the question is possible “不可能”就是可能When Henry ford decided to produce his famous v-8 motor, he choseto build an engine with the entire eight cylinders cast in oneblock, and instructed his engineers to produce a design in one forthe engine. The design was placed on paper, but the engin.........【阅读全文】

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发布时间:2013-06-21 09:32:52

       水,在我们的生活中无处不在。我们煮饭要用上水,口渴了要喝水等等。而如何使我们喝上健康的水,这是一个我们一直深思的问题?怎样喝水最健康。水是生命的基础。不知大家可否记得,在我们中学的时候就有生物课?学习细胞这一课的时候就知道,正常的细胞中901是水分,它们以结合水和自.........【阅读全文】

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发布时间:2013-06-20 08:54:51

do not listen to prairie chicken 不要听信山鸡的话a boy found an eagle's egg and he put it in the nest of a prairiechicken. the eagle hatched and thought he was a chicken. he grew updoing what prairie chicken do-scratching at the dirt for food andflying short distances with a noisy fluttering of wing.........【阅读全文】

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