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