在弗里德曼的货币需求函数中，与货币需求呈同方向变动关系的是（）。 ["预期的固定收益报酬率","预期的商品价格变动率","人力财富占总财富的比重","永恒收入"]
简述微生物的共代谢作用可能存在哪几种情况？
Which statement about the Cisco MPLS Traffic Engineering class-based tunnel selection （CBTS） is nottrue？（） ["Local mechanism is at the middle-point router.","EXP selection is between multiple tunnels to the same destination","Bundle members are configured with EXP values to carry.","The tunnel selection is configured on the tunnel master.","The tunnel master bundles the tunnel member"]
企业网络拓扑如下图： 你是ABC公司的网络管理员，你的公司老板希望企业的IP电话可以端到端的保证带宽和延时，你选择下面哪种QOS 模型？（） [" differentiated services （DiffServ）"," best-effort delivery"," shaping and policing"," Integrated Services （IntServ）"]
一位古希腊哲学家认为：一切事物皆因人的需要而异，所以，世上没有绝对真理。下列出自该哲学家的名言是（）。 ["“人是万物的尺度”","“尊重人不应该胜过尊重真理”","“认识你自己”","“吾爱吾师，吾尤爱真理&rdquo"]
自学—指导教学模式是指教学活动以（）为主，教师的指导贯穿于学生自学始终的教学模式。
