药品是特殊商品,限时性的特性主要体现在人们( )
A.生产药品需要保证质量时
B.需要保健时
C.加强药品质量监督时
D.治疗疾病需要用药时
E.经营药品追求经济效益时
参考答案:D
The sailors had faith ____ Captain Cook for he was honest ____ them. [ ]
A. of; about
B. with; with
C. in; with
D. for; about
下列常见的系统定义的异常中,有可能是网络原因导致的异常是()。
A、ClassNotFoundException
B、IOException
C、FileNotFoundException
D、UnknownHostException