It is a fallacy to suppose that all men are equal and that society will be leveled out【B6】you provide every-body【B7】the same educational opportunities. (It is debatable whether you can ever provide everyone with the same educational opportunities, but that is【B8】question.) The fact is that nature dispenses(分配) brains and ability with a total disregard for the principle of equality. The old rules of the jungle, "survival of the【B9】", and might is right are still with us. The spread of education has【B10】the old class system and created a new one.
【B1】

A. put up
B. put on
C. put off
D. put forward