Let children learn to judge their own work. A child learning to talk does not learn by being corrected all the time; _________________, he will stop talking. He notices a thousand times a day the difference between the language he uses and the language those around him use. Bit by bit, he makes the necessary changes to make his language like other people’s. In the same way children, learning to do all the other things without being taught to walk, run, climb, whistle, ride a bicycle, compare their own performances（表现）with those of more skilled people, and slowly make the needed changes. But in school we never give a child a chance to find out his mistakes for himself, let alone correct them. We do it all for him. We act as if we thought that he would never notice a mistake unless it was pointed out to him, or correct it unless he was made to. Soon he became dependent on the teacher.
Why should we teachers waste time on such tiring work? Our job should be to help the child when he tells us that he can’t find the way to get the right answer. Let’s end all this nonsense（荒谬的）of grades, exams and marks. Let us throw them all out, and let the children learn what all educated persons must someday learn, how to measure their own understanding, how to know what they know or do not know.
We should, of course, offer help to them just as they ask for it. The idea that there is a body of knowledge to be learnt at school and used for the rest of one’s life is nonsense in a world as complicated（复杂的）and rapidly changing as ours. Don’t worry! If something is basic, they will go out into the world and learn it.
小题1:What is the main idea of the passage? (No more than 8 words.)
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小题2:Which sentence in the passage can be replaced by the following one?
Teachers seem to think that a child can’t find out a mistake or correct it without their help.
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小题3:Please fill in the blank in the first paragraph with proper words or phrases to complete the sentence.
(No more than 10 words.)
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小题4:According to the passage, what should a teacher do? (No more than 15 words.)
A teacher should ______________________________________________________________
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小题5:What is the author’s attitude towards grades, exams and marks at school?
(No more than 5 words.)
The author thinks _____________________________________________________________