下列宝石能出现双臂或单臂干涉图的是（） ["电气石","尖晶石","托帕石","锆石"]
下列哪种样品中，蒸馏法是惟一的、公认的水分测定方法（） ["乳粉","香料","豆制品","淀粉"]
韵律常包括（）、交替韵律、渐变韵律三种形式。
以下不属于焰熔法合成尖晶石内含物的是（） ["气泡","弧形生长纹","助熔剂残余物","氧化铝残渣"]
Which statement is true about the components of a queuing mechanism？（） ["Each subinterface has its own hardware queue and can experience congestion just like its main interface","Hardware queuing is only used if the software queues are experiencing congestion.","Hardware queues and software queues are not used concurrently.","The hardware queuing system always uses the FIFO queuing mechanism."]
军事法的基本原则，是指
