填空题

A child who has once been pleased with a tale likes, as a rule, to have it retold in identically the same words, but this should not lead parents to treat printed fairy stories as sacred texts. It is always much better to tell a story than to read it out of a book and, if a parent can produce an improvement on the printed text, so much the better.
A charge made against fairy tales is that they harm the child by frightening him or arousing his sadistic impulses. To prove the latter, one would have to show in a controlled experiment that children who have read fairy stories were more often guilty of cruelty than those who had not. On the whole, their symbolic verbal discharge seems to be rather a safety valve than an incitement to overt action. As to fears, there are, I think, well-authenticated cases of children being dangerously terrified by some fairy story. Often, however, this arises from the child having been told the story on only one occasion. Familiarity with the story by repetition turns the pain of fear into the pleasure of a fear faced and mastered.
There are also people who object to fairy stories on the grounds that they are not objectively tree, that giants, witches, two-headed dragons, magic carpets, etc., do not exist; and that, instead of indulging his fantasies in fairy tales, the child should be taught how to adapt to reality by studying history and mechanics. I find such people, I must confess, so unsympathetic and peculiar that I do not know how to argue with them. If their cases were sound, the world should be full of madmen attempting to fly from New York to Philadelphia on a broomstick or covering a telephone with kisses in the belief that it was their enchanted girlfriend.
No fairy story ever claimed to be a description of the external world and no sane child has ever believed that it was.
From the passage, we learn that great fear can be stimulated in a child when a story is told ______ time(s).