Manyyearsago，anexperimentineducationwascarriedoutinsecr...

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Many years ago，an experiment in education was carried out in secret at a school in school had two classes for children of the same the end of the school year an examination was held，in order to select the children for the classes of next ver，the results of the exam were never made secret，based on their performance in the exam，the higher－performing and lower－performing children were divided equally between the two the headmaster and the psychologists knew the hers for the next year were carefully selected for equal ability and the classrooms were chosen with similar facilities (设备)．Everything was made as equal as possible，except for one thing：one was called “Class A”，the other，“Class B”．

In everyone's minds the children in Class A were the clever ones，and the kids in Class B were not so of the parents of the Class A children were pleasantly surprised that their children had done so well and rewarded them with presents and praise，while the parents of some of the Class B kids complained that their children did not work hard enough and took away some of their the teachers taught the Class B kids in a different manner，not expecting so much from a whole year the illusion there was another end－of－year exam.

The results were not children of Class A performed so much better than those of Class B．In fact，the results were just as if they had been the top half chosen from last year's had become “Class A” those in the other group，though equal the year before，had now become “Class B” was what they were told for a whole year，that was how they were treated，and that was what they believed—so that was what they became.

1．According to the text，it is a fact that ________．

A．the Class A kids worked harder

B．the Class A kids had better facilities

C．kids in the two classes had equal ability

D．teachers of Class A were more experienced

2．The underlined word “illusion” in Paragraph 2 is closest in meaning to“________”．

A．reward system B．false impression

C．teaching plan D．old tradition

3．Why didn't the Class B kids perform well in the second exam?

A．Because they didn't work hard.

B．Because they had lost self－confidence.

C．Because their teachers were irresponsible.