单项选择题
Papusek noticed in his studies that baby （）
A．would make learned responses 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
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单项选择题
According to the author, babies learn to do things which（）
A．are directly related to pleasure
B．will meet their physical needs
C．will bring them a feeling of success
D．will satisfy their curiosity -
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
The barman didn't want to send the man away because（）
A．the man was too tired to leave
B．the man paid the bill every time he brought it to him
C．he lidded his job very much
D．he was kind-hearted
