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Why are all wheels round? Recall what you've learned about circles .
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为什么车轮都是圆形的呢？带着这个问题边回忆圆的有关知识。 |
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Why are an increasing number of elderly Chinese parents living apart from their children ? One reason is the increasing upward mobility of the younger generation . Another is expanding social opportunities for the elderly . Perhaps the main reason , howev
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为什么越来越多的中国老人不和他们的孩子住在一起？原因之一是年轻一代的上进心增强了。另一个原因是社会上老人的机会增加了。然而，主要的原因可能是传统观念发生了巨大变化。 |
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Why are browsers so fussy about XML? They were more accepting with HTML.
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为什么浏览器对XML的处理如此严格，而对HTML则较容易接受？ |
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Why are building this long fence?
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请问您为什么要修这么长的围栏呢？ |
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Why are cell phones so popular，especially among teenagers?
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为什么手机如此受人欢迎，尤其是在青少年中呢? |
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Why are chromatic harmonicas made in several different keys?
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半音阶口琴为何有不同的调？ |
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Why are co-authors so important for the way I work?
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为什么共事者对我的工作方式很重要呢？ |
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Why are democratic nations more likely to fall under the yoke of administrative centralization?
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为什么民主国家较容易受到“行政集权”的羁绊？ |
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Why are dogs afraid to sunbathe?
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狗为什么害怕日光浴？ |
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Why are giraffes the cheapest to feed?
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为什么养长颈鹿最不花钱？ |
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Why are groups or organizations important to people?
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为什么团体和组织对人们是重要的? |
