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问题 单项选择题

乙苯蒸发器开工初期乙苯投入量约6000Kg/h，手动调整管程加热蒸汽量（FC-3143），逐渐建立乙苯蒸发器液位，并使之稳定于35％。注意调整配汽蒸汽/乙苯＝（）（wt），确保乙苯完全汽化。

A.0.2

B.0.4

C.0.6

D.0.8

答案

参考答案：B

判断题

电动机的绝缘等级，表示电动机绕组的绝缘材料和导线所能耐受温度极限的等级。如E级绝缘其允许最高温度为120摄氏度。
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完形填空

根据所给的首字母填写单词。（10分）

Hi, my n 小题1:  is Li Dong. I a小题2:  a Chinese boy. I’m tall. This is a p 小题3:  of my two new friends. The boy is Tom. He is f 小题4: England. He is twelve. He is t 小题5:, too. L 小题6: at the girl. She is Nancy. She is American. She is small. We are a 小题7: classmates. This is our art room. It is small, b 小题8:  t we like it very much. There are some flowers in it. They are very n小题9:. Our art teacher is a young man. We all l 小题10: him.
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