阅读材料，回答问题：

材料一：

材料二　军机处名不师古，而丝纶出纳，职居密勿。……军国大计，罔不总揽，自雍乾后百八十年，威命所寄，不于内阁而于军机处，盖隐然（真正成为）执政之府矣。──《清史稿》

(1)据材料一分析图中所示政府构架演变的时间及原因。

(2)据材料二并结合所学知识，分析军机处设置的时间及其影响，你是否同意对军机处“盖隐然执政之府”的评价？为什么？

(3)从材料一到材料二的变化，从根本上反映了什么趋势？

在观察和分析基础上提出问题以后，通过推理和想像提出解释问题的假说，根据假说进行演绎推理，再通过实验检验演绎推理的结论．这种科学研究方法叫做____ ．

先通读下面的短文，掌握其大意，然后从A、B、C、D四个选项中选择可以填入空白处的最佳答案。

    Edward has a pet dog and his name is Liston．Every day he1Liston for a walk in the park．He loves his dog very much．

    This morning，Edward has to go to the art club．So he goes to Liston and says．"I will come back2soon(很快)，Liston．Just stay in the garden and sleep3the tree．"And then Edward goes to the4station and gets on the bus．

    Liston doesn't want to 5Edward．He runs after Edward quietly．6the bus goes too tast,so Liston has to stop．

    After Edward comes home,he runs into the garden to7Liston and play with him．"Liston! Liston !8are you?"he shouts．But he can't see his dog．

    Edward walks up and down the street and calls dog's9．Then he hears(听到) Liston's bark(吠声)．"Liston!Liston!I'm here．" Liston runs to Edward10．Liston was waiting for him near the station．