【单选题】In fact _____ is a hard job for the police to keep order in an important football match. [ ]
【单选题】中央银行负债业务主要有( )。 ①流通中的通货 ②国库存款 ③外汇储备 ④商业银行存款 ⑤金融机构存款
【多选题】社会工作评估中,收集评估资料的方法有( )。
【单选题】. As a matter of fact, ___is a hard job for the police to keep order in an important football match.