单项选择题
One characteristic of the rich classes of a declining society is their tendency to（）
A．take in the recently wealthy. B．retreat within themselves. C．produce publications on manners. D．change the laws of etiquette
单项选择题 The writer's father would probably agree with the statement that（）
单项选择题 The writer says his father's idea of religion seemed straightforward and simple becausehis father（）
单项选择题 Who believed that man can influence social change for the good of society（）
