单词：multiple independently targetable reentry vehicle
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本讲为 2006 年新的教学内容，请对照教材听录音！ To learn the language is necessary for them. I have learnt 5000 English words. I have been learning English for 10 years. It is neces
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I think it is exciting. Because it would imply that if life arose independently on Mars. The implication is that life is pervasive throughout the universe. This is why Mars has so obsessed scientists.
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My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children
英汉幽默故事选读
A reform plan for the Chinese Football Association has been unveiled. Cai Zhenhua, vice-minister of Sports, and head of the CFA, says the new plan will unlink football with the General Administration of Sport. We will take this opportunity to solve i
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My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they
趣味英语
Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗？来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe
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