[不定项选择题]One of the factors that tend to promote social change is__________.
A.joint interest
B.different points of view
C.less emotional people
D.advanced technology

参考答案:B
根据第一段“The simple reason for this is that there are more different ways of looking atthings…There are more ideas…In addition．there is usually a greater worldly interest and greater tolerance inmixed societies…AⅡthese factors tend to promote social change”可知，有好多因素能推动社会变革，B项是其中一个因素。