问题 单项选择题

关于ovary的叙述,错误的是()。

A.表面覆盖单层立方或扁平的上皮

B.青春期前,卵泡数目不减

C.皮质厚,含有卵泡

D.髓质狭窄,为疏松结缔组织

答案

参考答案:B

问答题

列举春秋五霸,简要分析他们能够称霸的共同原因。

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

单项选择题