题目内容：

One day my math teacher asked me to help him save back-up copies of his work in the computer. I then realized I was able to  36  the grades for all of his classes. I showed him how to copy files from one disk to another and he  37  me.

A few days later be asked me to help him again, because he   38  how to do it. when I began to show this to him, some students in my class   39  and began to talk among themselves   40  . Later that day, at lunch time, I was   41  by several of them.

“Hey, could you help us change our grades in math? We’ll  42  you…”

I could not believe what I was hearing．I could get paid for something very   43  ．" All right．I'll do it．" The next day my math teacher   44  me to help him out．When he was not paying attention, I began to change their grades from F's to A's．

I soon became very   45   among my friends．They began to treat me like a god with a magical  46  ．I began to change the grades of students．Word   47   quickly and I became very rich．

Everything was going fine   48   I was called into the headmaster's office．When I got there, my teacher was mad, and the headmaster had an angry   49   in his eyes．  "I have known you for three years now．I don't want to  50   what your teacher said, but I'm afraid that I must．He has too much   51   , " he said．" Do you have anything to say   52   yourself?" he asked．

"No．" I said finally．I did not realize how serious my actions had been．I had violated the      53  of my teacher, and the headmaster．And there was no way   54  ．I was forced to leave my school．

That was a good   55  for me．

1.A．access           B．assess         C．change         D．mark

2.A．guided           B．supported      C．thanked        D．accepted

3.A．doubted          B．remembered     C．reminded       D．forgot

4.A．hid              B．noticed        C．complained     D．agreed

5.A．disappointedly B．quietly          C．freely         D．angrily

6.A．appointed        B．approved       C．approached     D．appreciated

7.A．pay              B．praise         C．follow         D．inspire

8.A．familiar         B．simple         C．interesting    D．pleasant

9.A．forced           B．advised        C．encouraged     D．got

10.A．optimisticB．popular              C．sensitive      D．grateful

11.A．energy          B．strength       C．right          D．power

12.A．escaped         B．slipped        C．spread         D．fled

13.A．until           B．since          C．as             D．after

14.A．sight           B．look           C．light          D．feeling

15.A．believe         B．ignore         C．oppose         D．influence

16.A．experienceB．pressure             C．confidence     D．evidence

17.A．to              B．by             C．for            D．of

18.A．intention       B．honor          C．promise        D．trust

19.A．on              B．in             C．back           D．down

20.A．lesson B．skill    C．story    D．example