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【多选题】
2008版ISO9000族标准的构成有（）A.
ISO9000(质量管理和质量保证标准 选择和使用指南）
B.
ISO9000(质量管理体系 基础和术语）
C.
ISO9000（质量管理体系 要求）
D.
ISO9000（质量管理体系 业绩改进指南）
E.
ISO9000（质量和环境管理体系审核指南）
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举一反三
【单选题】My sister met him at the Grand Theater yesterday afternoon, so he ______ lecture.
A.
mustn’t have attended
B.
needn’t have attended
C.
couldn’t have attended
D.
shouldn’t have attended
【单选题】My sister met him at the street yesterday afternoon, so he __________ your lecture.
A.
shouldn’t have attended
B.
couldn’t have attended
C.
mustn’t have attended
D.
needn’t have attended
【单选题】My sister met him at the Grand Theatre yesterday afternoon, so he ______ your lecture.
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
【单选题】My sister met him at the Grand Theater yesterday afternoon, so he ______ your lecture.
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
【简答题】婴幼儿缺铁性贫血最常见的原因为 ,成人缺铁性贫血的最常见的原因是 。
【单选题】My sister met him at the Grand Theatre yesterday aftemoon , so he _____ your lecture. [ ]
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
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