You are the network consultant from pass4sure.com. One of your customer has six sites, three of which process a large amount of traffic among them. He plans to grow the number of sites in the future. Which is the most appropriate design topology?（）

[单选题]厌食病程短，仅表现纳呆食少，食而乏味，饮食稍多即感腹胀，形体尚可，舌苔薄腻者为（）

[判断题]混凝土中掺入引气剂后，会引起强度降低。

[单选题]男孩8岁。发热、头痛3天，伴神志不一清6小时，于12月8日入院。既往体健，体检：T39.9℃，BP110／70mmHg。浅昏迷。双德瞳孔等大正圆．球结膜水肿。四肢可见散在的淤点，颈抵抗（+），克氏征（+），前囟突出。血WBC20×109／L，中性粒细胞92％，淋巴细胞8％，Hb157g／L。腰穿脑脊液检查：压力250mmH2O，WBC2600×106／L。多核细胞88％，单核细胞12％，蛋白3．3g／L，糖0．8μmol／L，氯化物91μmol／L。有助于确诊的检查是（）

[单选题]FTTB建设模式中，引入大楼的纤芯数量应为目标网络中ONU的数量，并预留（）纤芯（至少1芯）作为备用。

[单选题]除外哪项，均符合老年营养的需要？（　　）

[单选题]该企业只生产一种产品，该产品的贡献毛益率为70%，本期销售额为200000元，营业利润为100000元，则该产品的固定成本为（）。

[单选题]德彪西的管弦乐作品（）被公认为是印象派音乐的第一师范例，成为世界印象主义管弦乐的奠基作品，也进一步巩固了他作为印象大师的地位。

[多选题]烧伤病人治疗原则为（）

[单选题]手工检查锤敲击钢轨踏面和接头钢轨踏面，能检查出轨顶面下（）范围内的水平裂纹，轨头下颚至轨端、轨底连接弧处纵向发展至轨端以及第一螺孔至轨端的贯通性水平裂纹。

[填空题]列车制动由（）及（）组成。

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