破伤风抗毒素的应用原则是(),鼻骨复位的时间应控制在()天之内。
参考答案:开放的不洁伤口;10
(2013·银川一中二模)—Are you pleased with what he has done?
—Not a bit. It couldn't be________.
A.so bad
B.much better
C.any worse
D.best
IP承载网中,()是由所有省公司自行维护
A、CR
B、BR
C、AR
D、CE