()可以影响维生素D的活化.
A维生素A
B西夫氏碱
C林可霉素
D二磷酸盐
查看答案
碘缺乏可以导致下列哪种疾病？()
A克汀病
B坏血病
C脚气病
D癞皮病
开发企业的折旧政策包括快速折旧政策、慢速折旧政策和()三类。
It can be inferred from Paragraph 1 that______.
A. Wikipedia is a secret and dirty website which few people know
B. people assume everything on Wikipedia can not be wrong
C. the public tend to question the authority of Wikipedia"s information
D. Wikipedia helps you improve your office skills
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