Passage TwoQuestions 19 to 21 are based on the passage you have just beard. A: Because Japanese preschools cost less than those in America. B: Because Japanese children have high academic achievement. C: Because Japanese preschools pay much attention to the overall development of children. D: Because there are only a few preschools in America.

This study compared which three groups of children? Remember to select 3 from the options below! (Mwaura, Sylva and Malmberg) A: Children attending a program run by a foreign NGO B: Children attending Madrasa Early Childhood Program preschools C: Children attending preschools run by the government or individuals D: Children at home

Which of the following would be the best title for the passage（） A: The Early Contributions to the Preschool. B: Education in Parent-Child Relationships. C: The Development of the Preschool Movement. D: The First Preschools in Americ