【单选题】用氮气置换氢气管道和设备,氧含量小于()为置换合格.
【单选题】On the wall there are two pictures. ______ is Tom's and ______ is Mary's. [ ]
【单选题】There is only one room. It is ________ room. [ ]
【单选题】Tom’s composition is much better than ___.
【多选题】【例题3·多选题】下列各项中,符合可比性信息质量要求的有( )。
【单选题】用氮气置换氢气管道和设备,氧含量小于 ()为置换合格
【单选题】某女,35岁,顺利产下一男婴后,12小时未排尿,主诉下腹疼痛,体检耻骨上高度膨隆,扪及囊样包块。对该患者首选的护理措施为: