问题
填空题
煤气设备、管道及其支架均不得用来作为（），其接地装置必须（）。
答案
参考答案：支承起吊物件；定期校验
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煤气设备、管道及其支架均不得用来作为（），其接地装置必须（）。
参考答案：支承起吊物件；定期校验
| 完形填空。 | ||||
| Mr. John was at the window of a train in 1 . He was going to Washington, and now he was 2 . The train began moving, and an old worker 3 the window. Mr. John shouted angrily at the 6 , " I gave you my luggage (行李) an hour ago, 5 you didn't put it in the train. Why isn't it here, and where did you 6 it?" The old man smiled at Mr. John and said, "I looked 7 you here and there, but I didn't 8 you. Your luggage isn't as foolish 9 you are. You are in the wrong 10 . This one is going to New York." | ||||
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