问题 多项选择题

临产后宫缩的作用是

A.迫使宫颈管变短直至消失

B.宫口扩张

C.胎先露下降

D.胎盘娩出

E.胎膜娩出

答案

参考答案:A, B, C, D

问答题

       南京作为近代中国的政治中心,是中国近代历史的见证。在这一时期,南京发生的哪三件大事给你的印象最为深刻?请你写出来,并结合该事件的历史意义和影响谈谈你的理由。

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

多项选择题