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When left alone in the room, the students who did not know which ones would shock them clicked more pens and incurred more shocks than the students who knew what would happen.(2018��Ӣ��� �������)

�ṹ���֣��� When left alone in the room,

�� the students who did not know which ones would shock them clicked more pens and incurred more shocks

�� than the students who knew what would happen.

�ص�ʻ㣺

alone adv. ���ԣ�����������

shock v. ʹ��;�ܵ����

incur v. ���£���������

�﷨��������������Ϊthe students clicked more pens and incurred more shocks��when left alone in the roomΪʱ��״��Ӿ䣬who did not knowΪ����Ӿ䣬which ones would shock themΪ����Ӿ䣬who knew what would happenΪ����Ӿ䡣�����ѵ�1��when������ʱ��״��Ӿ�ʡ���������벿��ν���ԭ��Ϊwhen students were left alone;�ѵ�2������������the students ��Ƕ��һ��who�����Ķ���Ӿ䣬������Ƕ��һ��which�����ı���Ӿ�;

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