问题 单项选择题

扩张型心肌病

A.心脏室间隔非对称性肥厚
B.心脏室间隔对称性肥厚
C.心脏增大,以左心为著
D.心脏增大,以右心为著
E.心脏赘生物>2cm×1cm

答案

参考答案:C

问答题

世界现代史上,国际关系格局不断变化调整,影响着世界局势的发展。据此回答以下问题:

(1)两次世界大战后各形成了怎样的世界政治格局?  

                                                                                                                                                           

(2)当今世界政治格局呈现什么特点?  

                                                                                                                                                           

(3)20世纪90年代以来,地区冲突加剧。请你任举一例并说明冲突加剧的原因。

                                                                                                                                                           

                                                                                                                                                           

(4)你认为中国应该如何应对这种局势?

                                                                                                                                                            

                                                                                                                                                            

单项选择题