Bank customers aire allowed to write checks against money in______.
A. demand deposits
B. NOW accounts
C. MMDAs
D. all of the above
E. only A and B
危险废物贮存设施的基础必须防渗,防渗层为至少()厚黏土层(渗透系数≤10-7cm/s)。
A. 1 m
B. 2m
C. 3m
D. 1.5m
【C10】______
A. bodies
B. units
C. individuals
D. entities