产品使用过程的质量管理包括哪些内容?
参考答案:
主要包括:
(1)积极开展技术服务;
(2)进行使用效果与使用要求的调查;
(3)提高售后服务,变"三包"为"三保"。
男性,42岁,突然发作上腹部疼痛并放射至右肩部,疼痛极难忍受,伴有恶心、呕吐,疼痛发作之后仍有隐痛。体格检查发现右上腹有明显压痛和肌紧张,脉搏快,发热38.5℃,血白细胞16×109/L,最可能的诊断是()
A.急性阑尾炎
B.急性胆囊炎
C.急性胰腺炎
D.肾结石
E.胃十二指肠穿孔
A fool has gained nothing from the time _____, for he _____ nothing. [ ]
A. passing; has paid
B. passed; has been paid
C. passing; has been paid
D. passed; has paid