单项选择题
A．Newborn babies can use both hands well B．Most human beings use their fight hands better C．Few human beings use their left hands D．We live in a fight - handed world
A．nobody will try to get them B．they can become very valuable C．everybody would like to buy them D．they will be worthless
A．Grown - ups like new stamps while young boys like used ones. B．There are hundreds of kinds of stamps in the world. C．Sometimes stamp collectors are willing to pay thousands of yuan or more for a used stamp. D．A post - office worker does not want to buy any used stamps.