如图所示，处在磁感应强度为B的匀强磁场中的单匝矩线圈abcd，以恒定的角速度ω绕

A person may have an idea about himself that will prevent him from doing good work. He may have the____36____ that he is not capable of it. A child may think he is stupid because he does not understand how to make the ____37____ of his mental faculties(官能). Older people may be mistaken that they are incapable of ____38_____ anything new because of their age.
A person who believes that he is incapable will not make a real ____39_____ , because he feels that it ____40_____ be useless, he won’t go at a job with the confidence necessary for success, and he won’t work his hardest, even though he may____41_____ he is doing so. He is ____42_____ likely to fail, and the failure will ____43____ belief in his incompetence(无能). Alfred Adler, a famous doctor, had a (an) ____44_____ like this. When he was a small boy, he had a poor ____45____ in maths. His teacher told his ____46_____ he had no ability in maths in order that they would not ____47____ too much of him.____48_____he too accepted ____49_____ mistaken thinking of his ability, and he felt that it was useless to ____50____, and was very poor at maths, ____51____ as they expected.
One day he worked out a problem which ____52_____ of the other students had been able to solve. Adler succeeded in solving the problem. This gave him confidence. He now ____53____ with interest, determination and purpose, and he soon became especially good at ____54____. He not only proved that he could learn maths well, but luckily he learned early in his life from his own experience that if a person goes at a job with determination and purpose, he may ____55_____ himself as well as others by his ability.

小题1:	A．belief B．way C．fact D．condition

小题2:	A．biggest B．most C．highest D．deepest

小题3:	A．teaching B．learning C．accepting D．using

小题4:	A．decision B．success C．effort D．trouble

小题5:	A．would B．should C．must D．could

小题6:	A．forget B．think C．guess D．understand

小题7:	A．nevertheless B．moreover C．however D．therefore

小题8:	A．lead to B．add to C．take to D．contribute to

小题9:	A．experience B．example C．thought D．story

小题10:

A．state B．mind C．start D．ending

小题11:

A．classmates B．friends C．neighbors D．parents

小题12:

A．blame B．expect C．get D．win

小题13:

A．Virtually B．Gradually C．Fortunately D．Especially

小题14:

A．it B．her C．its D．their

小题15:

A．manage B．succeed C．try D．act

小题16:

A．only B．almost C．just D．nearly

小题17:

A．none B．all C．many D．most

小题18:

A．lived B．worked C．played D．graduated

小题19:

A．1essons B．medicine C．subjects D．maths

小题20:

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