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最佳答案：over eighty per cent of the world's wealth is controlled by less than twenty per
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最佳答案：English前不能加定冠词!“mastering /to master English need quite a long time”也不对,应该是needs
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最佳答案：1.To master some foreign language is not an easy thing.2.All her jobs are take c
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最佳答案：公铁两用斜拉桥斜拉桥锚固区比一般斜拉桥受力更集中、构造更复杂,是控制设计的关键部位.要掌握锚固区的应力分布,不但要通过模型试验来对其进行研究,而且还要对其进行有
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最佳答案：I'd like to share a speech by Barack Obama with all of you.因为做外贸的天天都需要接触英语,使用英语,