行政行为在复议或诉讼期间，原则上要停止执行。 ( )
参考答案：对
As a heavy smoker , he finds it hard to get rid of the habit, which has a bad _____on his health.
A．affect
B．effect
C．effort
D．affection
开证行或付款行如发现单据和信用证不符，应在不迟于收到单据的次日起( )个营业日内通知议付行表示拒绝接受单据。
A．3
B．5
C．7
D．10
