《中华人民共和国药典》规定硫酸阿托品片的含量测定方法为( )。

A．非水溶液滴定法
B．溴酸钾法
C．碘量法
D．紫外分光光度法
E．酸性染料比色法

Flight attendants usually need to arrive at the airport ______ before their flight leaves.

A． much

B． very

C． well

D． largely