下能正确映与少数民族政权并立的示意图（    ）

阅读下面这首诗。
                                                                                                                                       秋夜山居
                                                                                                                                       唐•施肩吾
                                                                                                                去雁声遥人语绝，谁家素机①织新雪。
                                                                                                                 秋山野客②醉醒时，百尺老松衔半月。
       【注释】①素机：织布机。②野客：离乡在外的游客。

以下各项能表现磨砺意志的有(　　)

①绳锯木断，水滴石穿

②只要功夫深，铁杵磨成针

③头悬梁，锥刺股

④宝剑锋从磨砺出，梅花香自苦寒来

名著阅读题。