单项选择题

According to the passage, the experience of helplessness causes rats to______.

A．try to control unpleasant stimuli
B．turn off the electricity
C．behave passively in controllable situations
D．become abnormally suspicious
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单项选择题
A．According to Professor Wang, what is the purpose of the present-day educationB．To turn out an adequate number of elite for the society.C．To prepare students for their future career.D．[C) To offer practical and utilitarian courses in each program.E．To set up as many technical institutions as possible.
A．According to Professor Wang, what is the purpose of the present-day education
B．To turn out an adequate number of elite for the society.
C．To prepare students for their future career.
D．[C) To offer practical and utilitarian courses in each program.
E．To set up as many technical institutions as possible.
填空题
将among改为between。
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