以下证件不是边检站签发的是：（）
A、长期登轮许可证
B、搭靠外轮许可证
C、随船工作证
D、船员登陆证
参考答案：C
卫生防疫部门接到事故报告后开展事故调查处理的时限为
A．1h内
B．30h内
C．24h内
D．48h内
E．以上都不是
He trained hard in puzzle-guessing, a sort of children’s game, all year, _____ still failed to reach his best form in all the tests given to both adults and children.
A．Then
B．Thus
C．Therefore
D．Yet
