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But, she warns this progress is She says the momentum for health development could come to a grinding halt because of problems stemming from the food and financial crises, the changing climate and the H1N1 pandemic.

【参考答案】

fragile; influenza

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Despite a weak economy, buyers seemed eager to spend anywhere between ＄ ______ to ＄ ______ for a little Apple culture.

But, she warns this progress is ______ She says the momentum for health development could come to a grinding halt because of problems stemming from the food and financial crises, the changing climate and the H1N1 ______ pandemic. 您的浏览器不支持 audio 元素。