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最佳答案：Prevention is better than cure: Out of a country’s health budget, a large propor
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最佳答案：Prevention is better than cure:Out of a country’s health budget,a large proporti
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最佳答案：The disease prevention in summer should be paid much attention.In summer,virus s
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最佳答案：In order to prevent diseases and keep healthy,what shoud you do?Here are some su
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最佳答案：Spring is warm and sunny enough,everywhere blooms,a thriving scene.However,a dis