阅读理解：

　　Mr White began to work in a middle school when he was twenty-three. He has worked there for forty years. At the beginning he taught his students English. He worked hard and was strict in everything. And he took good care of others and all the other teachers and his students liked him very much. Twelve years ago he was appointed(被任命)as headmaster and he worked even harder.

　　Forty years ago there were fifteen classes and nearly five hundred students and forty-seven teachers in the school. But now there're one thousand two hundred students and one hundred and twenty teachers. Mr White thinks it necessary(必要) for the teachers to remember all their students' names.

　　At a meeting, Mr White recognized(认出) one of his students, “Your name is Fred Smith,”the headmaster said happily.“You were in Grade Six in 1981, weren't you?”

　　“Yes, Mr White,”answered Mr Smith.“You taught me English fifteen years ago.”All the people were surprised at the old man's memory and he was much happier.

“Where are you working now, young man?”“I have taught in your school for five years, Mr White,”answered the young man.

1．Mr White was strict ________.

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2．Mr White was appointed as headmaster when he was ________ years old.

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3．Mr White asked the teachers to remember all their ________ names.

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4．All the people were surprised(惊讶)because ________.

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A．Fred Smith was Mr Whites

B．Fred Smith was a teacher in the school

C．Mr White's memory was good

D．Mr White didn't know Fred Smith though he was his student

5．Which of the following is not true? ________.

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A．Mr White taught Fred Smith English fifteen years ago

B．Mr White knows about all his students and all the teachers in his school

C．In 1982 Mr White taught English in the school

D．Fred Smith worked in Mr White's school for five years, but Mr White knew nothing about that