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【单选题】
缺铁性贫血患者的实验室检查是A.
血清铁降低，总铁结合力降低
B.
血清铁降低，总铁结合力增高
C.
血清铁正常，总铁结合力降低
D.
血清铁降低，总铁结合力正常
E.
血清铁和总铁结合力增高
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】将万用表置于Rx1挡检测某电感器的好坏,测量结果如下图,说明该电感器______
【简答题】Language changes because language use is a creative process. ( )
【单选题】Language is productive or creative mainly because of its duality and ________.
A.
recursiveness
B.
vocabulary
C.
grammar
D.
phonemes
【多选题】Language is productive or creative mainly because of its ________.
A.
recursiveness
B.
vocabulary
C.
duality
D.
phonemes
【简答题】Language is or creative in that it makes possible the construction and interpretation of new signals by its users.
【判断题】Conventionality is one of the link between a linguistic sign and its meaning, which makes language potentially creative.
A.
正确
B.
错误
【多选题】Language is creative by its ___________.
A.
duality
B.
arbitrariness
C.
recursiveness
D.
displacement
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