读下图，完成13～15题。

13．图中天体M可能是                                                                                                                                                                                                    (　　)
①水星　②火星　③天王星　④金星　⑤木星　⑥土星  ⑦海王星

A．②⑥

B．④⑤

C．③⑦

D．①④14．图中的阴影区表示的是                                                                                                                              (　　)A．黄道面                                            B．赤道面                                          C．地球公转轨道                              D．赤道15．图中箭头显示了                                                                                                                                                          (　　)A．共面性                                            B．同向性                                            C．近圆性                                            D．随意性

【考点】6010103

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