问题 单项选择题

心肌梗死最常发生的部位在()

A.室间隔后1/3

B.左心室后壁

C.右心室前壁

D.左心室前壁

E.左心室侧壁

答案

参考答案:D

问答题

简述第二次世界大战以来世界政治、经济两方面发展的总体历程及其特点。

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                             

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                             

                                                                                                                                                             

                                                                                                                                                             

选择题