万能人寿保险的主要特点有（） ["“弹性”是万能寿险最显著的特点","“灵活多变”是万能寿险最显著的特点","保险公司为每个保单所有人设立了单独帐户，至少每年向保单所有人寄送一份报告书","现金价值与实际投资收益率相联系","保单所有人可以进行保单质押贷款，还可以提取出部分现金价值"]
屋顶花园的植物配置形式常见的有：（）、群落式。
What are two ways to minimize the delay of VoIP packets that are traversing a network？（） ["Use WFQ， CBWFO， and LLO to prioritize delay-sensitive packets","Use WFO， CBWFO， and LLO to compress the payload.","Give TCP packets priority over UDP packets.","Use control plane policing for cRTP queuing.","Use stacker and predictor to compress the payload."]
比较赛络纺、紧密纺、紧密赛络纺。
正交偏光镜下（）有四次明暗变化。 ["欧珀","尖晶石","金绿宝石","玻璃"]
试根据某商业银行的简化资产负债表计算：
当所有的资产的利率是5%，而所有的负债的利率是4%时，请问该银行的利润是多少？
