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Johnny Smith was a good maths student at a high school£®He loved his computer£® He came home early every day£¬then he worked with it till midnight£®But Johnny was not a good English student£¬not good at all£®He got an F in his English class£®One day after school£¬Johnny joined his computer to the computer in his high school office£® The school office computer had the grades of all the students£ºthe maths grades£¬the science grades£¬the grades in arts and music£¬and the grades in English£®He found his English grade£®An F£¡Johnny changed his English grade form an F to an A£®Johnny's parents looked at his report card£®They were very happy£®

¡°An A in English£¡­¹said Johnny's Dad£®¡°You're a very clever boy£¬Johnny£®­¹

Johnny is a hacker£¨ºÚ¿Í£©£®Hackers know how to take information from other computers and put new information in£®Using a modem £¬they join their computers to other computers secretly£®School headmasters and teachers are worried about hackers£® So are the police£¬for some people even take money from bank computer accounts£¨ÕË»§£©and put it into theirs£®And they never have to leave home to do it£¡They are called hackers£®

1£®Johnny changed his English grade with the computer in         £®

A£®the classroom B£®the school office

C£®a bank near his house D£®his own house

2£®When Johnny's parents saw the report£¬they were happy because        £®

A£®Johnny was good at maths B£®Johnny loved computers

C£®Johnny could join one computer to another

D£®they thought Johnny was not poor in English any longer

3£®Who are worried about hackers in the story£¿

A£®Johnny's parents£®

B£®School headm asters£¬teachers and the police£®

C£®The police£®

D£®School headm asters and teachers£®

4£®What should the hackers know well£¬do you think£¬after you read this story£¿

A£®Information£®B£®Bank computer accounts£®

C£®Com puters£®D£®Grades£®

5£®The last paragraph£¨¶ÎÂ䣩is about         £®

A£®Johnny B£®computers C£®hackers D£®modem

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1£®D 2£®D 3£®B 4£®C 5£®C