156. We were brought up to believe that the role of a man was to provide and the role of a woman was to care for the household and family . Today , however , role reversal is becoming increasingly commonplace .

　　我们从小就相信男人的角色市提供生活所需，女人的角色是照顾家庭和子女。然而，今天，角色的互换变得越来越普遍。

　　157. Some people tend to tenaciously cling to the misguided concept of racial superiority . Their persistence in doing so , however , does readily reveal the inferior mentality and social incompatibility of certain human beings .

　　一些人顽强地坚持种族优越性的错误观点。然而，他们坚持这样做正揭示了某些人自卑的心理和社会对立性。

　　158. Some people claim the efficacy of traditional Chinese medicine ( TCM ) far exceeds that of Western-style pharmaceuticals . More often than not , however , the exact opposite is true .

　　有的人声称中药的功效远远好于西药。但是，通常情况下，事实正好相反。

　　159. Workers commonly complain that causes for labor disputes rest solely on the shoulders of management . Quite likely the opposite is true .

　　工人经常抱怨劳资纠纷的责任完全在管理者的肩上。很可能正好相反。

　　160. There are those who claim that competition brings out the best in people . Others contend it simply forces one person to prove he/she is better than another . Advocates vociferously support one position or the other . I suggest the former proposition bears greater relevance than the latter .

　　有些人认为竞争促使人们发挥出最优秀的东西。另一些人认为它只是强迫一个人证明他/她比别人更优秀。提倡者叫嚣着支持其中的一个立场。我认为前一个立场比后一个立场更恰当。

　　(责任编辑：田学江)