From the first paragraph, who thought the electricity failure wouldn’t occur again? What caused the blackout in 1977?

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问题 From the first paragraph, who thought the electricity failure wouldn’t occur again?
What caused the blackout in 1977?

选项 A、Excessive heat probably made people switch on too many electrical appliances.
B、During a storm, lightning damaged supply cables.
C、Because of unemployment, some machines were not in proper working order.
D、The passage does not mention the cause.

答案B

解析 推断题。从文章第三段第二句话可知:1977年的停电是由于闪电击中了主要电缆导致的。B选项中storm是“暴风雨”的意思,因此,B为最佳选项。
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