【判断题】财政部是管理国库单一账户体系的职能部门,任何单位不得擅自设立、变更或撤销国库单一账户体系中的各类银行账户。( )
【简答题】to hit your fingers lightly on sth
【单选题】There's a lot of business waiting to be tapped .
B.
hit your fingers lightly on sth.
C.
to make a regular pattern of sounds
D.
listen carefully to someone's telephone
【单选题】to hit your fingers lightly on something
【单选题】_____ 是第一个发明了Roux(由等量的面粉与黄油或猪油制成)的人,后世法国人常拿来勾芡。
【判断题】主轴电机转子使用的是粗牙螺纹,为防止加工时,刀具松动需增大夹紧力。