单选题 Good health calls for a positive outlook, regular exercise and a good mood.
【正确答案】 A
【答案解析】该句意为:健康需要积极的态度、经常锻炼和良好心态。outlook:观点,态度,前景,期望;attitude:态度;outcome:结局;prospect:前景,可能性;perspective:角度。