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 (26)_____ toy with a piece of cloth, the baby thinks the toy has disappeared and stops looking for it. A 4-year-old may (27)_____ that a sister has more fruit juice when it is only the shapes of the glasses that differ, not the (28)_____ of juice. Yet children are smart in their own way. Like good little scientists, children are always testing their child-sized (29)_____ 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 (30)_____ 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 (31)_____; rather, she is learning that her desires and yours can differ, and that sometimes those (32)_____ 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 (33)_____, like the blooming of a flower, almost independent of what else is (34)_____ in their lives. Although many of his specific conclusions have been (35)_____ or modified over the years, his ideas inspired thousands of studies by investigators all over the world.

    *本题备选项需点击原文空格处获取，在列表上点选即可。    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 (26)_____ toy with a piece of cloth, the baby thinks the toy has disappeared and stops looking for it. A 4-year-old may (27)_____ that a sister has more fruit juice when it is only the shapes of the glasses that differ, not the (28)_____ of juice.    Yet children are smart in their own way. Like good little scientists, children are always testing their child-sized (29)_____ 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 (30)_____ 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 (31)_____; rather, she is learning that her desires and yours can differ, and that sometimes those (32)_____ 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 (33)_____, like the blooming of a flower, almost independent of what else is (34)_____ in their lives. Although many of his specific conclusions have been (35)_____ or modified over the years, his ideas inspired thousands of studies by investigators all over the world.