听力原文:M: Lucy, could you describe what you were doing at the moment?
W: Well, I was still sleeping at 6 o'clock. Then there was this horrible sound and the floor was just bouncing and rolling like waves, all at the same time.
Q: What are the speakers talking about?
(13)
A.A snowstorm.
B.An earthquake.
C.A traffic accident.
D.A hurricane.
第1题
使用移动电器设备必须按照规定选择与设备容量匹配的()。
A.400、电压
B.电源
C.开关
D.插座
第2题
使用电热设备应注意()。
A.应由自身的开关操作
B.严禁用插头操作
C.插座的容量应满足要求
D.以上都是
第7题
不符合安全用电措施的是()。
A.火线必须进开关
B.合理选择照明电压
C.合理选择导线和熔丝
D.移动电器不须接地保护
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