A-A+
What caused the blackout in July 1977？ A. Duri
问题详情
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.
参考答案
正确答案：A
34．答案为A 根据最后一段...when lightning hit andknocked out supply cables可知停电是由于闪电击中了供电电缆。
