下列哪项不是影响蒸发器输出的因素（）
A.时间
B.流量
C.温度
D.大气压
E.后压力泵吸
参考答案：A
He claimed _____ in the restaurant last Sunday. [ ]
A. to be treated badly
B. being badly treated
C. to have badly treated
D. to have been treated badly
一级试剂又叫（）。
A、分析纯
B、化学纯
C、实验纯
D、优级纯
