调查显示，全球92%的人口居住在空气污染指数超标的地方。

It found that '92 per cent of the world's population lives in places where air quality levels exceed WHO limits'.

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那些身体质量指数超标的人，通常有与超重有关的其他疾病，而超重可能使他们有更大感染甲型h1n1病毒的风险。

Those with excessive body-mass-index measurements tend to have other medical conditions related to weight that may put them at risk of suffering more severe infection with H1N1.

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70%的受访者体质指数(body mass indexes (BMIs))在25或25以上，为体重超标或肥胖。

Some 70 percent of the women had body mass indexes (BMIs) of 25 or more, making them overweight or obese.

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