单词：Christian Democratic Union
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Unit 8 Part B Text 1 Why Are Some People Left-handed? Research has shown that 90% of people naturally use their right hands for most tasks. But hundreds of millions of people use their left hands. Then why are some people left-handed? Scientists have
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to handedness, righties rule. And according to a new study, they have for a long time, because even half a million years ago, nine out of 10
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation
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[00:05.49]Why are some people left-handed? [00:09.09]Scientists have been trying to answer that question for many years. [00:14.32]Research has shown that ninety percent of people naturally use their right hands for most tasks. [00:22.94]But hundreds
美国英语听力80篇
经过对剑桥雅思听力题的总结，我们发现，许多题目存在着比较关系，破解了题目中的比较关系，也就可以正确解题。下面，我们就来为大家讲一讲雅思听力题中的比较关系。 在这里，我们把
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新GRE阅读主要考验我们逻辑推理能力，在中国很少进行着方面的训练。逻辑推理能力在阅读中考察，从宏观上把握文章，抓住文章的主体结构是关键。下面为大家进行3种常见的GRE阅读主题结构
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