如果主要分析产品价格波动对技术方案超额净收益的影响,则可选用( )作为分析指标。
A.静态投资回收期 B.财务净现值C.财务内部收益率 D.资产负债率
参考答案:B
口腔小涎腺不包括()
A.磨牙后腺
B.颊腺
C.唇腺
D.舌下腺
E.腭腺
----What do people wear when they go to the theatre ?
-----Well ,it isn’t very ______. People can wear anything .
A normal B certain C modern D simple