芦丁具有______作用。有助于保持及恢复毛细血管的正常弹性,主要用作防治高血压病的辅助治疗剂。
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NaBH4是对二氢黄酮类化合物专属性较强的一种还原剂。( )
华盛公司2010年年底在财产清查中,发现盘盈原材料10 000元,报经批准后应编制的会计分录为()。
利润表的格式主要有多步式利润表和单步式利润表两种,我国企业采用的是单步式利润表格式。 ()
She was nowhere to be found.__________her friends where she was going,she would have saved them a lot of trouble.
A. She had told
B. Had she told
C. Told had she
D. Had told she