平均粒重≤1g栓剂的量差异限度
A.±10%B.±8%C.±7.5%D.±6.5%E.±5%
参考答案:A
下列鸟类中,失去飞行能力但奔跑迅速的是( )
A.野鸭
B.孔雀
C.鸵鸟
D.企鹅
The futility of the program resulted from poor planning.
A.possible failure in the future
B.ineffectiveness and uselessness
C.blindness to its mistakes
D.potential disaster