很多百岁老人说他们通过电脑听音乐或者看视频来紧跟流行文化，有百分之十一的人说他们在YouTube上至少看了一个视频。

Many centenarians said they kept up with popular culture by listening to music or videos through computers, and 11 percent said they had watched a video on YouTube.

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相较而言，只有百分之二十的孩子能“自己游泳”。百分之十一的孩子可以自己系鞋带，百分之二十的孩子知道如何拨打紧急电话。

By contrast, only 20 percent can "swim unaided," 11 percent can tie their shoelaces without help, and 20 percent know how to make an emergency phone call.

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北冰洋的冰层覆盖面积以大约每十年百分之十一的速度往下掉——也就是说非常快。我们认为，到2030年前后，如果九月一号到北极去，你很有可能将不会见到任何冰。

Our thinking is that by 2030 or so, if you went out to the Arctic on the first of September, you probably won't see any ice at all.

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