在智能建筑的组成要素中,办公自动化系统的缩写为()。A.BAS
B.CAS
C.OAS
D.SCS
参考答案:C
—_____ you go to the movies last Sunday?
—No, I _____.[ ]
A. Did; did
B. Did; didn't
C. Were; was
D. Were; wasn't
过碘酸-无色品红(PAS)法中,过碘酸的作用是()。
A.水解
B.漂白
C.氧化
D.还原
E.媒染