问题
多项选择题
锅炉运行调整的任务正确的有（）。
A、保持锅炉蒸发量在额定范围内；
B、保持正常的汽温，汽压；
C、保持炉水和蒸汽品质合格；
D、及时调整锅炉工况，尽可能维持各运行参数在最大工况下运行。
答案
参考答案：A, B, C
搜题请搜索小程序“爱下问搜题”
锅炉运行调整的任务正确的有（）。
A、保持锅炉蒸发量在额定范围内；
B、保持正常的汽温，汽压；
C、保持炉水和蒸汽品质合格；
D、及时调整锅炉工况，尽可能维持各运行参数在最大工况下运行。
参考答案：A, B, C
完形填空（共20小题；每小题1.5分，满分30分） 阅读下面短文, 掌握其大意，然后从下列各题所给的四个选项(A、B、C和D)中,选出最佳选项。 Long time ago, there was a farmer who lived with his daughter. A young man fell in love with the farmer’s beautiful daughter and wished to 36 her. One day, he went to the farmer to 37 his permission. The farmer looked at him and said, “ Guy, stand out in that 38 . I’m going to release (释放) 39 bulls, one at a time. If you can 40 the tail of any one of the three bulls, you can marry my daughter.” 41 , the young man got out and stood in the field, 42 the first bull. The barn（牛棚） door 43 and out came the biggest bull that he had ever seen. He 44 that one of the next bulls had to be a better 45 than this one, so he ran over to the side and let the bull 46 . A few 47 later, the barn door opened again. Unbelievable! The young man had never seen any bull so 48 and fierce as this one in his life. It stood there, pawing（扒） the 49 and eyeing the young man. “ What the next 50 was like ? It had to be a better choice than this one,” he thought. He let the bull pass through again. The door opened a third time. A 51 came across the young man’s face. This was the weakest bull that he had ever seen. “ This one was my bull,” he 52 to himself. As the bull came running by, he positioned himself just right and 53 at just the exact moment. He threw his hands to catch ...... But to his 54 , the bull had no tail. Life is full of opportunities. 55 catch the first one.
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