A. advocate B. amount C. confirmed D. crazy E. definite F. differences G. favorite H. happening I. Immediately J. Naturally K. obtaining L. primarily M. protest N. rejected O. theories Children do not think the way adults do. For most of the first year of life, if something is out of sight, it's out of mind. If you cover a baby's (1)___ toy with a piece of cloth, the baby thinks the toy has disappeared and stops looking for it. A 4-year-old may (2)___ that a sister has more fruit juice when it is only the shapes of the glasses that differ, not the (3)___ of juice. Yet children are smart in their own way. Like good little scientists, children are always testing their child-sized (4)___ about how things work. When your child throws her spoon on the floor for the sixth time as you try to feed her, and you say, "That's enough! I will not pick up your spoon again!" the child will (5)___ test your claim. Are you serious? Are you angry? What will happen if she throws the spoon again? She is not doing this to drive you (6)___; rather, she is learning that her desires and yours can differ, and that sometimes those (7)___ are important and sometimes they are not. How and why does children’s thinking change? In the 1920s, Swiss psychologist Jean Piaget proposed that children's cognitive (认知的) abilities unfold (8)___, like the blooming of a flower, almost independent of what else is (9)___ in their lives. Although many of his specific conclusions have been (10)___ or modified over the years, his ideas inspired thousands of studies by investigators all over the world. A. advocate B. amount C. confirmed D. crazy E. definite F. differences G. favorite H. happening I. Immediately J. Naturally K. obtaining L. primarily M. protest N. rejected O. theories