单项选择题
In Papousek's experiment babies make learned movements of the head in order to ______.
A.be praised
B.please their parents
C.be rewarded with milk
D.have the lights turned on
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单项选择题
According to Papousek the pleasure babies get in achieving something is a reflection of ______.
A.the satisfaction of certain physiological needs
B.their strong desire to solve complex problems
C.a basic human desire to understand and control the world
D.a fundamental human urge to display their learned skills
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单项选择题
According to the author, babies learn to do things which ______.
A.will satisfy their curiosity
B.will meet their physical needs
C.are directly related to pleasure
D.will bring them a feeling of success
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