Ancient Greek philosopher Aristotle viewed laughter as“a bodily exercise precious to health.”But---_____some claims to the contrary,laughing probably has little influence on physical filness Laughter does_____short-term changes in the function of the heart and its blood vessels,____heart rate and oxygen consumption But because hard laughter is difficult to____,a good laugh is unlikely to have_____benefits the way,say,walking or jogging does.____,instead of straining muscles to build them,as exercise does,laughter apparently accomplishes the____,studies dating back to the 1930’s indicate that laughter.muscles,Such bodily reaction might conceivably help____the effects of psychological stress.Anyway,the act of laughing probably does produce other types of______feedback,that improve an individual’s emotional state.______one classical theory of emotion,our feelings are partially rooted_______physical reactions.It was argued at the end of the 19th century that humans do not cry______they are sad but they become sad when te tears begin to flow.Although sadness also_______tears,evidence suggests that emotions can flow_____muscular responses.In an experiment published in 1988,social psychologist Fritz Strack of the University of würzburg in Germany asked volunteers to____a pen either with their teeth-thereby creating an artificial smile–or with their lips，which would produce a（n）_____expression.Those forced to exercise their enthusiastically to funny catoons than did those whose months were contracted in a frown，_______that expressions may influence emotions rather than just the other way around____，the physical act of laughter could improve mood.
- A.In turn
- B.In fact
- C.In addition
- D.In brief
正确答案及解析
正确答案
解析
第二段首句的意思是：?不像其它的锻炼可以拉紧肌肉，笑很显然起到了____作用,?从instead of和apparently可以判断本句与上文有承接和转折的关系，空格要求填入表示逻辑转折关系的词，四个选项中[A]In turn“轮流”，[C]In addition“另外”，[D]In brief“简而言之”，都不符合语境，只有[B]In fact“事实上”含有转折关系，符合上下文语境，是正确答案。
