题目

A new research has uncovered that culture is a determining factor when interpreting facial emotions （情感）．The study reveals that in cultures where emotional control is the standard, such as Japan, focus is placed on the eyes to interpret emotions．Whereas in cultures where emotion is  openly expressed, such as the United States, the focus is on the mouth to interpret emotion．        These findings go against the popular theory that the facial expressions of basic emotions can be universally recognized, said University of Alberta researcher Dr．Takahiko Masuda．A person's c在一体积可变的密闭容器中，加入一定量的X、Y，发生反应mX（g）nY（g） ΔH＝Q kJ/mol。反应达到平衡时，Y的物质的量浓度与温度、气体体积（容器容积）的关系如下表所示：气体体积/Lc （Y）/mol·L－1温度/℃1231001.000.750.532001.200.900.633001.301.000.70下列说法正确的是A．m>nB．Q<0C．温度不变，压强增大，Y的质量分数减少D．体积不变，温度升高，平衡向逆反应方向移动