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【单选题】
新生儿不易患传染病，其免疫力的获得主要是通过A.
人工自动免疫
B.
人工被动免疫
C.
自然被动免疫
D.
隐性感染
E.
潜伏感染
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反馈参考答案：
举一反三
【单选题】虚拟语气 He ____busy yesterday, or he ___you with your experiment. A. was, had helped B. was, would have helped C. had been, would have helped D. were, would have helped
A.
was, had helped
B.
was, would have helped
C.
had been, would have helped
D.
were, would have helped
【单选题】An error of commission is one where:
A.
A transaction has not been recorded
B.
One side of a transaction has been recorded in the wrong class of account, such as non-current assets posted to inventory
C.
An error has been made in posting a transaction
D.
The digits in a number are recorded the wrong way round
【单选题】哪一项不属于风险管理应当遵循的原则( )。
A.
识别项目风险并确定关键风险
B.
评价项目每一种风险的可接受程度
C.
确定最适合承担某种风险的各参与方
D.
对项目风险进行分配
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