The majority of people, about nine out of ten, are right-handed. Not until recently, people who were left-handed were considered______【51】, and once children showed this tendency they were forced to use their right hands. Today left-handedness is generally______【52】, but it is still a disadvantage in a world______【53】most people are right-handed. For example, most tools and implements are still designed for right-handed people.
In sports, ______【54】contrast, doing things with the left hand or foot, is often an advantage. Throwing, kicking, punching or batting from the "wrong " side may result______【55】throwing off many opponents who are more accustomed to dealing with the______【56】of players who are right-handed. This is why, in many______【57】at a professional level, a higher proportion of players are left-handed than in the population as a whole.
The word "right" in many languages means "correct" or is______【58】with lawfulness, whereas the words associated______【59】"left" , such as "sinister" , generally have______【60】associations. Moreover, among a number of primitive peoples, there is______【61】close association between death and the left hand.
In the past, in most Western societies, children were often forced to use their right hands, especially to write with. In some cases the left hand was______【62】behind the child's back so that it could not be used. If, in the future, they are allowed to choose, ______【63】will certainly be more left handers, and probably______【64】people with minor psychological disturbances as a result of being forced to use their______【65】hand.
(51)

A. unique
B. eccentric
C. normal
D. abnormal