备案类银行结算账户的开立、变更和撤销由银行机构通过人行账户管理系统进行备案。
参考答案:对
In Grammar-Translation Method, ______ is maintained as the reference system in the learning of the second language.
A.the first language
B.the second language
C.the target language
D.the foreign language
A.先测体积
B.先测质量
C.无所谓
D.同时测量