单项选择题
A．through history B．since the time of the Indian nations C．since 1905 D．since divers explored them
A．It is easy for a couple to afford a child in Asia. B．The, prices of houses in Asia are quite low now. C．Fewer and fewer married women want to have a job. D．The word "DINKS" first appeared in an Asian country.
A．simple information is used B．children should know their names C．it helps children act automatically D．difficult information is only partly learned