Fe-C平衡状态图是表示在缓慢加热或冷却条件下,铁碳合金的成分、温度与( )之间的关系。
A.强度
B.结构
C.晶体
D.组织
参考答案:D
—Come and join US. Jimmy!
—I'm sorry, but I'm really busy now. If I ____ time, I would certainly go. [ ]
A. will have
B. have had
C. had
D. have
宫内孕8周,在当地行"药物流产"后排出血块及膜样组织2周,近1周来 * * 出血及下腹疼痛,伴有寒、发热,妇查下腹压痛,宫颈口检查有臭味,子宫如孕40+天大小,明显压痛,体温38.5℃,白细胞增高,应该
A.立即行清宫术
B.口服乙烯雌酚5mg,每日3次,共5天
C.抗生素控制感染后刮宫
D.边抗炎边用缩宫素
E.应用缩宫素待残留组织自然排出