女性,18岁,确诊暴发型流行性脑脊髓膜炎,应首选下列哪个药物治疗()
A.青霉素
B.磺胺嘧啶
C.头孢氨苄
D.头孢唑酮
E.复方新诺明
参考答案:B
One person was killed on the spot and three ________ received minor injuries.
A.ones
B.another
C.others
D.the others
进行回复退火可以实现()
A、应力消除,组织不变
B、应力大大下降,组织不变
C、应力消除,组织改变
D、应力大大下降,组织改变