种群在资源无限制情况下的增长属于（） ["J型","S型.","J与S之间.","无规律"]
Which three traffic descriptors are typically used as QoS markings for packets or frames entering the network？（） ["protocol type","CoS","DSCP","IP precedence","destination address","input interface"]
在卫生行政复议中，举证人是（） ["行政复议的申请人","行政复议的被申请人","行政复议的申请人和被申请人都要举证","行政复议机关自行调查取证","行政复议机关请法院调查取证"]
资源密集型产业
谷类是人们一日三餐不可缺少的食物，它可提供的主要营养成分是（）
蒙台梭利教具
