对人的确认包括()。
A.人的生理
B.精神状态
C.人的行为
D.联系信号
E.劳保用品穿戴情况
参考答案:A, B, C, D
Nicolaus Copernicus’ discovery about the universe is ______, which ______later achievements in astronomy science. [ ]
A. ambitious; gave birth to
B. enthusiastic; resulted in
C. obvious; resulted in
D. revolutionary; led to
系统出料()时将NH3量缓慢降至70%负荷。
A.PIC-904升至1.7MPa
B.PIC-205降到0.45MPa
C.LIC-203显示液位
D.HIC-201有开度