A person may have an idea about himself that will prevent him from doing good work. He may have the belief that he is not capable (有能力的) of it. A child may think he is ___ because he doesn't understand how to make the ____ of his mental faculties (才能). Older people may be mistaken that they are incapable of learning new things because of their ____.
A person who believes that he is incapable will not make a real ____ because he feels that it would be useless. He won't go at a job with the confidence necessary for ___， and he won't work his hardest way, even though he may think he is doing so. He is ____ likely to fail, and the failure will ____ his belief in his incompetence (无能)．
Alfred Alder, a famous doctor, had ____ like this. When he was a small boy, he had a poor ___ in maths. His teacher told his parents he had no ability in maths in order that they would not ____ too much of him. In his way, they two ____ the idea. He accepted  ____ mistaken thinking of his ability, felt that it was useless ____ and was very poor at maths, ____ as they expected.
One day he worked at a problem which ____ of the other students had been able to solve.
Alder ___ in solving the problem. This gave him confidence. He now ___ with interest, determination and purpose, and he soon became especially good at maths. He not only ____ that he could learn maths well, but luckily he learnt ____ in his life from his own experience that if a person goes at a job with determination and purpose, he may ____himself as well as others by his ability.

A．clever B．shy C．useless D．stupid

A．biggest B．most C．highest D．deepest

A．ability B．age C．brain D．knowledge

A．decision B．success C．effort D．trouble

A．work B．study C．improvement D．success

A．truly B．really C．however D．therefore

A．lead to B．strengthen C．increase D．add to

A．an experience B．an example C．a thought D．a story

A．state B．mind C．start D．ending

A．blame B．expect C．get D．win

A．developed B．organized C．discovered D．found

A．his B．her C．its D．their

A．managing B．succeeding C．trying D．acting

A．only B．almost C．just D．then

A．none B．no C．no one D．nobody

A．gave B．succeeded C．failed D．believed

A．lived B．worked C．played D．graduated

A．made B．took C．expected D．proved

A．early B．deeply C．late D．simple

A．encourage B．love C．astonish D．disappoint