题目内容：
阅读下列文章,回答Questions:Read the text below about a learning schemeIn most of the lines 41 - 52 there is one extra word. It is either grammatically incorrect of does not fit in with the sense of the text. Some lines, however,are correct .
If a line is correct, write CORRECT on your Answer Sheet.
If there is an extra word in the line ,write the extra word in CAPITAL LETTERS on your Answer Sheet .
The exercise begins with two examples, (0) and (00) .Learn your lesson
0 Almost all schemes which claim to be able to transform /25 into / 175 overnight
00 are scams, to be put straight into the dustbin. The exception, however, it may
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