问题
单项选择题
装置引入循环水时，水冷器偷用的正确方法是（）
A.同时开水冷却器的进出口阀门进水
B.先打开水冷却器的出口阀门进行排气操作
C.先打开水冷却器的进口阀门进行排气，气排净后再打开其出口阀门
D.可以根据需要随时打开水冷却器的进出口阀门
答案
参考答案：C
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装置引入循环水时，水冷器偷用的正确方法是（）
A.同时开水冷却器的进出口阀门进水
B.先打开水冷却器的出口阀门进行排气操作
C.先打开水冷却器的进口阀门进行排气，气排净后再打开其出口阀门
D.可以根据需要随时打开水冷却器的进出口阀门
参考答案：C
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| Mr Edison was a professor. He worked in a 1 . He was busy with his research work all the time. But his wife whose father was a 2 businessman had nothing to do at home and 3 a lot of time dancing. It was the woman's birthday one day. There 4 a birthday party in their house. All their friends were invited to 5 it. That afternoon, when everything was ready, Mr Edison came back from his lab, being 6 . As soon as she saw him, she called out, "Oh dear! Our guests will soon come, but you 7 the old clothes! Go to change the best ones!" Mr Edison had to go upstairs. The party had been on for half an hour, but he didn't come downstairs. The woman felt 8 . She looked out a few times and then told her girl servant to go to 9 what had happened to him. To the girl's surprise, the professor was 10 in a bed. For Mr Edison, it was time to go to bed after he came upstairs and took off his clothes. | ||||
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