问题 多项选择题

论文的检索方法,主要有()。

A、电子法

B、电子期刊法

C、工具法

D、引文法

答案

参考答案:C, D

问答题

       有人认为“三国两晋南北朝时期,封建的大一统局面被打破,社会处于分裂状态, * * 更迭频繁,是历史的停滞、倒退”,你是否同意这一观点,结合所学知识说明你的理由。

                                                                                                                                                           

                                                                                                                                                           

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

单项选择题