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问题 单项选择题

甲省乙医院经过招标，从丙医药公司采购丁药品生产企业生产的某注射液，在临床应用过程中，发生死亡病例

对该注射液应实施几级召回（）

A.一级召回

B.二级召回

C.三级召回

D.四级召回

答案

参考答案：A

选择题

下列说法正确的是（     ）

A．卤素元素都有正化合价

B．卤素元素的单质都只具有氧化性

C．卤素元素的最低化合价都是-1价

D．卤素元素氢化物都是强酸
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单项选择题

The approach we propose is a system-oriented methodology for knowledge acquisition, this orientation emphasizes ongoing documentation throughout each cycle and technique applied. Program-wide documentation is suggested, both for the purpose of internal (91) and for later verification and (92) efforts. The documentation system we propose includes a central "knowledge acquisition (93) " which is (94) to reflect knowledge acquisition plans, session nodes, and domain expert participation. Specifically, (95) within the database system include knowledge acquisition forms, which document plans for, and notes from, knowledge acquisition session, domain expert file, and rule content forms.

（94）是（）

A.edited

B.updated

C.exchanged

D.revised
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