2013
高考英语二轮复习完形填空每天一练（07）（答案） ancient greek philosopher aristotle considered laughter as “a bodily exercise precious to health.” but ¬¬despite some claim s to the contrary, laughing probably has 36 influence on physical fitness. laughter does 37 short-term changes in the function of the heart and its blood vessels, 38 heart rate and oxygen consumption. but because hard laughter is difficult to 39 , a good laugh is unlikely to have measurable 40 the way, say, walking or jogging does. 41 , instead of straining (使…紧张) muscles to build them, as exercise does, laughter apparently accomplis
