HPB300的磷含量要求不大于(),硫含量要求不大于()。
A、0.040
B、0.045
C、0.050
D、0.055
参考答案:B, C
新生儿,右侧完全性唇裂、腭裂,最先实施的手术治疗应该是
A.唇裂修复术
B.腭裂修复术
C.牙槽突裂植骨术
D.新生儿正畸
E.颌骨正畸术
He had planned to make a compromise,but he changed his mind at the last minute.
A.therefore
B.otherwise
C.anyhow
D.somehow