精选优质文档-倾情为你奉上2011年考研英语完形填空答案及真题解析(沪江完美版)Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points)Ancient Greek philosopher Aristotle viewed laughter as “a bodily exercise precious to health.” But _1_some claims to the contrary, laughing probably has little influence on physical fitness. Laughter does _2_short-term changes in the function of the heart and its blood vessels, _3_ heart rate and oxygen