两侧的下颌关节属于（）肘关节属于（） ["鞍状关节","车轴关节","复关节","平面关节","联合关节"]
银杏叶的药理作用是（） ["A.润肠","B.呼吸抑制","C.镇静催眠","D.中枢兴奋","E.抗血栓形成"]
公用管道中的燃气管道为（）级。 ["A、GB1","B、GB2","C、GC1","D、GC2"]
小儿泌尿系统感染最常见的感染途径是（） ["血行感染","上行感染","淋巴感染","外伤","邻近组织的侵袭"]
某公司对外报价为CIF价100美元，外商要求改报CIF5%，我方应报价为（）。 ["105.0","105.6","105.3","105.4"]
在生产自动化条件下剩余价值的来源是什么。
