夜盲症是由于缺乏( )
A.维生素A
B.维生素B
C.维生素C
D.维生素D
参考答案:A
下列资料不属于借款人以专利权出质,必须向贷款人提交的资料。()
A、专业评估机构出具的专利权价值评估书
B、拟出质的专利证书及复印件
C、证明专利权有效的专利登记簿副本原件
D、工商营业执照、法定代表人身份证明、企业贷款卡及复印件
I haven't read of the articles carefully, but I find that there is a striking similarity between them.[ ]
A. each
B. either
C. any
D. neither