What caused the blackout in July 1977?A. During a storm, lightning damaged cable.B. Because of unemployment.C. Heat waves had made people use too much electrical power.D. Because the looters damaged the electricity supply.
What caused the blackout in July 1977?
A. During a storm, lightning damaged cable.
B. Because of unemployment.
C. Heat waves had made people use too much electrical power.
D. Because the looters damaged the electricity supply.
相关考题：
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