喷油器的喷油量取决于三个因素（）、（）和（）。
参考答案：喷油孔截面的大小、喷油压力、喷油持续时间
If the market prices of each of the 30 stocks in the Dow Jones Industrial Average (DJIA) all change by the same percentage amount during a given day, which stock will have the greatest impact on the DJIA（）
A. The one whose stock trades at the highest dollar price per share.
B. The one whose total equity has the highest market value.
C. The one having the greatest amount of equity in its capital structure.
提供虚假的证明、文件资料样品或者采取其他欺骗手段取得药品批准证明文件的，吊销药品批准证明文件，且不受理其申请的期限是( )
A．3个月B．6个月C．1年D．3年E．5年
