Justwatchachildinafirstencounterwithafloweroranant—thereisinstantinterestandfascination.Weconditionthemoutofit.Which of the following choices has a similar meaning ？
A. Thecarhasbeenwellmaintainedandisinexcellentcondition.
B. WhatIbuyisconditionedbytheamountIearn.
C. Women were conditioned to expect lower wages than men.
D. Thepolicereleasedhimonconditionthathereturnthefollowingweek.
查看答案
Matching the proper explanation.
以下哪种期刊不是数据期刊
A. ScientificData
B. DatainBrief(DIB)
C. 《中国科学数据》
D. STATISTICASINICA
以下哪种途径检索到的文献时效性最强
A. web of science
B. ArXive
C. 百度文库
D. CNKI
ArXiv是预印本系统，供研究者上传发布尚未正式发表的论文
A. 对
B. 错
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