摘要： Experts say walking is one of the best ways for a person to healthy. A. preserve B. stay C. maintain D. reserve [答案]B. stay. [注释]preserve, stay, maintain, reserve这4个词均有“保持 .“维持 之意.stay后可接形容词作表语:The weather stayed wet for three days.其他3个词均为及物动词.Preserve(=keep safe from decay, risk, harm, danger, going bad etc.)保存.保护:1)Policemen preserve order in the streets. 2)We must preserve our natural resources.(我们必须保护自然资源.)3)You paint woodwork to preserve it.(你油漆木制品以防腐烂.)Maintain保持.维持.维修.Reserve(=keep for a special purpose; store)保留.预定:1)I'll reserve my opinion at his time,(这时我将保留我的看法.) 2)I'll phone up today and reserve a room.(我今天将打电话预定一个房间.) 本题译文:专家们说.步行是一个人保持健康的最好方法之一.

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