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閱讀理解：閱讀短文，然后根據內容選擇最佳答案。

　　Johnny Smith was a good maths student at a high school．He showed great interest in his computer．He came home early every day．Then he worked with it till midnighr．But Johnny was not a good English student, not good a bit．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, the maths grades, the science grades, the grades in arts and music, and the grades in English．He found his English grade．Ah F! Johnny changed his English grade from F to A．Johnny's parents looked at his report card．They were very happy and really satisfied with the result．

　　“An A in English!”said Johnny's Dad．“It has turned out that my son is a very clever boy．”

　　Johnny is a hacker(黑客)．Hackers know how to take information from other computers and put new information in them．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(賬戶)and put it into their own ones．And they never have to leave home to do it! They are called hackers．

(1)

Johnny changed his English grade with the computer just 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 headmasters, teachers and the police．
C．	The police．
D．	School headmasters and teachers．

(4)

What should the hackers know well, do you think, after you read this story?
[　　]
A．	Information
B．	Bank computer accounts．
C．	Computers．
D．	Grades．

(5)

The last paragraph is about ________．
[　　]
A．	Johnny
B．	computers
C．	hackers
D．	modem

答案：1．D;2．D;3．B;4．C;5．C;

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