A.learning by himself.
B.cooperating with others.
C.thinking independently.
D.understanding the meaning of life.

A.have confidence in children's ability to learn.
B.avoid making the same mistakes as what children make.
C.know how children misunderstand about life.
D.provide children with more chances to cooperate with others.
A.facing life's tests and difficulties with courage.
B.the progress of human civilization.
C.the importance of learning to cooperate.
D.the early education of children.
A.disapproving
B.consenting
C.objective
D.cautious