单选题
{{B}}Text{{/B}} The whole subject of
children's thinking is a fascinating one. How do their minds work? Exactly what
takes{{U}} {{U}} 1 {{/U}} {{/U}}when they learn? How by
what{{U}} {{U}} 2 {{/U}} {{/U}}logic do they reach conclusions
perfectly{{U}} {{U}} 3 {{/U}} {{/U}}to them but illogical to
us? Much exciting{{U}} {{U}} 4 {{/U}} {{/U}}is
going on in an effort to find{{U}} {{U}} 5 {{/U}} {{/U}}to these
questions. Foremost is the{{U}} {{U}} 6 {{/U}} {{/U}}of Jean
Piaget, the Swiss psychologist who pioneered the {{U}}{{U}} 7
{{/U}} {{/U}}and whose theories have had an unparalleled{{U}} {{U}}
8 {{/U}} {{/U}}on education, especially in Europe. He has{{U}}
{{U}} 9 {{/U}} {{/U}}(in French) over twenty - five books and 150
articles{{U}} {{U}} 10 {{/U}} {{/U}}are a gold{{U}}
{{U}} 11 {{/U}} {{/U}}of ideas about the development of a
child's{{U}} {{U}} 12 {{/U}} {{/U}}. About half the books and
a{{U}} {{U}} 13 {{/U}} {{/U}}of the articles have been
translated into English,{{U}} {{U}} 14 {{/U}} {{/U}}his style of
writing and the{{U}} {{U}} 15 {{/U}} {{/U}}technical vocabulary
make him a very{{U}} {{U}} 16 {{/U}} {{/U}}author to read in any
language. Following Piaget's lead, there has been a{{U}}
{{U}} 17 {{/U}} {{/U}}of research in a number of countries,{{U}}
{{U}} 18 {{/U}} {{/U}}the United States. Reports of these{{U}}
{{U}} 19 {{/U}} {{/U}}, too, are often so hedged about with a
thicket of professional jargon that they are{{U}} {{U}} 20
{{/U}} {{/U}}to the nonspecialist.