单项选择题
A．Neighbors should help each other. B．Women should have their own careers. C．Man and wife should share household duties. D．Parents should take good care of their children.
A．He wants his students to be on time for class. B．He doesn’t allow his students to tell jokes in class. C．He is always punctual for his class. D．He rarely notices which students are late.
A．There were fatal mistakes in its design. B．The builder didn’t observe the building codes of the time. C．The traffic load went beyond its capacity. D．It was built according to less strict earthquake-resistance standards.