赞题库-背景图

单项选择题

In Papousek's experiment babies make learned movements of the head in order to ______.

A．have the lights turned on
B．be rewarded with milk
C．please their parents
D．be praised

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单项选择题The babies would smile and bubble at the lights because ______.

A．the lights were directly related to some basic "drives"
B．the sight of the lights was interesting
C．they need not turn back to watch the lights
D．they succeeded in "switching on" the lights

单项选择题Papousek noticed in his studies that a baby ______.

A．would make learned response when it saw the milk
B．would carry out learned movements when it had enough to drink
C．would continue the simple movements without being given milk
D．would turn its head to right or left when it had enough to drink