A-A+
What caused the blackout in July 1007？A．Excess
问题详情
What caused the blackout in July 1007？
A．Excessive heat probably made people switch on too many electrical appliances.
B．Because of unemployment, some machines were not in proper working order.
C．During a storm, lightning damaged supply cables.
D．The passage does not mention the cause.
参考答案
正确答案：C
解析：细节题。答案信息对应于第三段倒数第二句：The blackout started at 9:30 p.m.，when lightning hit and knocked out vital cables，即是闪电击中关键线路引发了停电，答案是[C] 。
