分馏塔开车过程中,如果不控制一定的升温速度,会使()。
A、调节时间延长
B、塔板液面忽高忽低
C、再沸炉出口温度忽高忽低
D、精馏塔的工艺参数波动
参考答案:A, B, C, D
下列关于脓疱型银屑病正确的是()。
A.不伴高热、寒战
B.皮疹不成批出现
C.四肢伸侧更易受累
D.脓疱可融合成脓湖
E.不会转化为红皮症
---I hear John refused to tell the truth and was taken away by the police.
--- Where did you _______?
A.pick that up
B.put that up
C.make that up
D.take that up