问题
单项选择题
雷雨季节期间，应加强检查避雷器的失效指示和避雷器的（），发现异常情况及时处理。对已失效或超过有效使用期限的避雷模块应及时更换。
A.失效指示
B.断路开关状态
C.地线连接情况
答案
参考答案：B
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雷雨季节期间，应加强检查避雷器的失效指示和避雷器的（），发现异常情况及时处理。对已失效或超过有效使用期限的避雷模块应及时更换。
A.失效指示
B.断路开关状态
C.地线连接情况
参考答案：B
It's a Sunday morning. Jack and his father 36 on a big bus. There are 37 people on it. Some of 38 come from America and some 39 England and Canada. They are all friends. They are going to the Summer Palace（颐和园）. There are two 40 on the bus. One is a man. He is the driver. He 41 the bus. 42 is a young woman. She 43 good English. She is talking about the Summer Palace. All the passengers(乘客)are listening 44__Her. They like the Summer Palace. They want 45 it very much.
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