单项选择题
A.Get the best yield from. B.Raise the price of. C.Exaggerate the worth of. D.Earn a living on.
A.The lung. B.The colon. C.The chromosomes. D.The breast.
A.it is important to build up one’s physical capacity B.it is no good having much physical training C.it is more important to know one’s capacity than to win the race D.it is important to have physical training while one trains his mind