上什么学校拿什么证(1)
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全球变暖是谬误?(2)
伦敦极端天气与全球变暖有什么关系呢?Today we have more data. But now science has provided a theory, a model of the weather system. Fronts and anticyclones are individual weather events, which bri...
美国太空行走作业(1)
美国宇航局国际空间站项目经理迈克?苏弗里迪尼说宇航员的这次首要任务是修复太阳能翼...Shuttle and station crew members are busy preparing for the mission's next spacewalk, pushed back for a second ti...
美元疲软是为何?(1)
美元一直处于疲软的状态,原因何在?The dollar has been weakening against several major currencies. One euro is currently worth about one dollar forty cents. A British pound is worth over two dolla...
了解太阳风(1)
太阳风可不是一股风哦,到底是什么,看吧!The so-called northern and southern lights glow and shimmer colorfully in what 19th century Scottish poet W.E. Aytoun described as streamers shooting all n...