若3(2a-3b)2+2|5b-2c|=0,则a∶b∶c=( )
3∶2∶5
The singer sang one more song at the _____ of enthusiastic fans.
A.command
B.recognition
C.request
D.service
对公定期存款以()方式办理。
A.转账或现金
B.转账
C.现金