援外物资必须经检验检疫机构检验检疫合格后方可起运出境。 ( )
参考答案：对
The boy was so ________ about net games that he played online over ten hours every day.
A．interested
B．crazy
C．pleased
D．puzzled
公务印章包括（）。
A.专用章
B.钢印
C.领导人签名章
D.套印章
