问题 单项选择题

特大事故调查工作应当自事故发生之日至( )日内完成,并由调查组提出调查报告。

A.20

B.30

C.60

D.90

答案

参考答案:C

问答题

读图回答问题

请回答:新中国在50年代是怎样以独立自主的姿态步入国际舞台的?70年代又取得了哪些外交上的新突破?                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                

单项选择题